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 by TM teacher: Elise Mueller

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 Title: COMMUNICATING SCIENTIFICALLY (01/21/09) Description: • How did the water and the salt change when they were combined in the cup? • What did you observe when the salt and water were combined? How did measurement help you describe the changes? • What have you learned about the properties of salt when you add it to water? • How does experimenting with a solution of salt and water help understand the properties of salt and/or water?

 Article posted January 23, 2009 at 09:51 PM GMT0 • comment • Reads 1110 1. I was observing the scale and seeing if it was level. 2. The weight of the water changed. 3. The measurement helped because the weight changed and if we didn’t use measurement we couldn’t have seen the changed variable!! 4. One of the properties I learned was that salt in water is a mixture and a solution. I also learned the weight of the salt water 54grams Well that’s what my table group got! 5. Well we are looking at the things we are experimenting on a lot closer than we care in day-to-day life. Article posted January 23, 2009 at 09:51 PM GMT0 • comment • Reads 1110
 Article posted January 23, 2009 at 11:26 PM GMT0 • comment • Reads 1151 1. I observed that when the salt and water were combined, when we stirred the mixture, the salt dissolved. 2. How the water and the salt changed when they were combined is that they come together into a solution. 3. Measurement helped describe the changes because we figured out that when the salt was dissolved into the water the water weighed more. 4. We learned that one of the properties of salt when you add it to water is that it dissolves. 5. Experimenting with a solution of salt and water helps us to understand the properties of salt and water because what they do when they are combined is a property. Article posted January 23, 2009 at 11:26 PM GMT0 • comment • Reads 1151
 Article posted January 23, 2009 at 09:51 PM GMT0 • comment • Reads 945 • What did you observe when the salt and water were combined? A: For about a minute the water looked kind of dusty but after we stirred the salt it dissolved and the water got clear. • How did the water and the salt change when they were combined in the cup? A: For about a minute the water got cloudy and dusty. • How did measurement help you describe the changes? A: It didn’t • What have you learned about the properties of salt when you add it to water? A: First, the water gets cloudy and dusty, then when you keep stirring it the sat dissolves and it turns into salt-water. • How does experimenting with a solution of salt and water help you to understand the properties of salt and/or water? A: Now I know that when you put salt in water ou dont have to stir it for it to dissolve. Article posted January 23, 2009 at 09:51 PM GMT0 • comment • Reads 945
 Article posted January 22, 2009 at 06:34 PM GMT0 • comment • Reads 1245 1. What did you observe when the salt and water were combined? 1. when the was in the water it made a mixture. and when the salt disoved in the water it made a solution. 5 How does experimenting with a solution of salt and water help you to understand the properties of salt and/or water? 5 lots of things disov in water and salt is one of them. and a propertie of water is that things can disov in water. Article posted January 22, 2009 at 06:34 PM GMT0 • comment • Reads 1245
 Article posted January 22, 2009 at 06:33 PM GMT0 • comment • Reads 929 How did the water and the salt change when they were combined in the cup? The water stayed clear but the salt fell to the bottom. After string the salt in the water for a wile the salt dissolves but the salt is still there!! Article posted January 22, 2009 at 06:33 PM GMT0 • comment • Reads 929
 Article posted January 22, 2009 at 08:18 PM GMT0 • comment • Reads 863 1. What did you observe when the salt and the water were combined? 2. How did the salt and water change when they were combined in the cup? 3. How did measurement help you describe the changes? 4. What have you learned about the properties of salt when you add it to water? 5. How does experimenting with a solution of salt and water help you to understand the properties of salt and/or water? Answers: To #1: I observed that the salt dissolved into the water when stirred. With no stirring, it sat there. To #2: The salt became invisible when combined with the water, but nothing else happened. To #3: I measured the amount of salt and water, so I could be accurate when reporting what happened. To #4: I have learned that salt becomes invisible when stirred in water, but is still there. To #5: It helps by showing you the properties of salt when combined with water. Article posted January 22, 2009 at 08:18 PM GMT0 • comment • Reads 863
 Article posted January 27, 2009 at 08:55 PM GMT0 • comment • Reads 1166 What did you observe when the salt and water were combined? It was white. How did the water and the salt change when they were combined in the cup? It was just water How did measurement help you describe the changes? 5cc have of salt. What have you learned about the properties of salt when you add it to water? It was small and white win it was added to the water it will dissolve it. How does experimenting with a solution of salt and water help you to understand the properties of salt and/or water? It is see through it might dissolve it. Article posted January 27, 2009 at 08:55 PM GMT0 • comment • Reads 1166
 Article posted January 22, 2009 at 07:58 PM GMT0 • comment • Reads 910 What did you observe when the salt and water were combined? The salt made water foggy but when you stir the water for a little bit the salt will dissolved. Article posted January 22, 2009 at 07:58 PM GMT0 • comment • Reads 910
 Article posted January 27, 2009 at 08:17 PM GMT0 • comment • Reads 1194 What did you observe when the salt and water were combined? It stayed clear! How did the water and the salt change when they were combined in the cup? It became clear and a solution! How did measurement help you describe the change? Salt 5cc’s Water What have you learned about the properties of salt when you add it to water? The salt goes in between the water molecules How does experimenting with a solution of salt and water help you to understand the properties of salt and/or water? Don’t know how it helped me Article posted January 27, 2009 at 08:17 PM GMT0 • comment • Reads 1194
 Article posted January 26, 2009 at 06:26 PM GMT0 • comment • Reads 1281 How did the water and the salt change when they were combined in the cup? The water might taste like salt if there is to much it will taste like salt but if there to little it might not taste like salt or something like that and the salt will disappear or if there is to much it will not disappear ha ha ha I am smart =]. Article posted January 26, 2009 at 06:26 PM GMT0 • comment • Reads 1281
 Article posted January 26, 2009 at 06:04 PM GMT0 • comment • Reads 873 What did you observe when the salt and water were combined? · 1. What I observed was that the water and the salt were both a mixture and a solution because we combined the water and the salt and that was a mixture, but we knew it was a solution by how it dissolved. The other thing we found out was that the more salt you put in the harder it is to dissolve. 2.How did measurement help you describe the changes? You could do it without the measuring tools if you guessed the right amount then you wouldn’t have to use the measuring tools. 3.What have you learned about the properties of salt when you add it to water? What I have learned was that when you add salt in water that is a mixture because you combined them together to make a mixture. 4.How does experimenting with a solution of salt and water help you to understand the properties of salt and/or water? How it helps me understand the properties is by knowing the definition of a mixture and a solution. Article posted January 26, 2009 at 06:04 PM GMT0 • comment • Reads 873
 Article posted January 23, 2009 at 06:11 PM GMT0 • comment • Reads 1505 · How did the water and the salt change when they were combined in the cup? 1The salt dissolved in the water and the water got a little foggy. · What did you observe when the salt and water were combined? 2 I watched the salt dissolve in the water for about ten seconds. Article posted January 23, 2009 at 06:11 PM GMT0 • comment • Reads 1505
 Article posted January 22, 2009 at 06:44 PM GMT0 • comment • Reads 1271 • 1 What did you observe when the salt and water were combined? • 2 How did the water and the salt change when they were combined in the cup? • 3 How did measurement help you describe the changes? • 4 What have you learned about the properties of salt when you add it to water? • 5 How does experimenting with a solution of salt and water help you to understand the properties of salt and/or water? 1-When the salt and water were combined the salt dissolved into the water, forming a solution. 2-They formed a solution and became heavier. 3-I was able to explain how much of each I mixed together and the difference in weight. 4-The salt dissolves and adds weight to the water. 5-It tells me what some of the properties are. Article posted January 22, 2009 at 06:44 PM GMT0 • comment • Reads 1271
 Article posted January 26, 2009 at 05:49 PM GMT0 • comment • Reads 717 Answer for #1: I observed when the water and salt combine forms a mixture because in the Mixtures and Solutions book we read in science class were it told you how Mixtures are made like say if flour and water were mixed in together it would be a Mixture would be made. Answer for #2: When the salt was pored in the water and when we mixed it together the water turned clear. Answer for #3: I don’t get the question. Answer for #4:I learned that when you combined water and salt it forms a mixture but is a solution the same as a mixture? Answer for #5: Well it helps me understand salt because when you put the salt in water if you leave it alone for a wile the salt will evaporate so a propertie in the salt makes it evaporate. Article posted January 26, 2009 at 05:49 PM GMT0 • comment • Reads 717
 Article posted January 23, 2009 at 11:21 PM GMT0 • comment • Reads 1056 What did you observe when the salt and water were combined? We didn’t really observe it. How did the water and the salt change when they were combined in the cup? It didn’t really change. How did measurement help you describe the changes? I don’t now. What have you learned about the properties of salt when you add it to water? Nothing really changed so I don’t now. How does experimenting with a solution of salt and water help you to understand the properties of salt and/or water? It doesn’t because when it mixes you can’t tell. The stuff in red is what I wrote. Article posted January 23, 2009 at 11:21 PM GMT0 • comment • Reads 1056
 Article posted January 26, 2009 at 05:58 PM GMT0 • comment • Reads 788 · What did you observe when the salt and water were combined? The salt dissolved when it was steered! · How did the water and the salt change when they were combined in the cup? The salt changed by dissolving ,and the water changed by turning in to salt water. Article posted January 26, 2009 at 05:58 PM GMT0 • comment • Reads 788
 Article posted January 22, 2009 at 07:55 PM GMT0 • comment • Reads 842 #1 Q: What did you observe when the salt and water were combined? A: I observed that at first the salt sank to the bottom, which means that salt, is denser than water. Then once after the salt sank to the bottom it started to slowly dissolve. After at most 5 minutes the salt had completely dissolved. And that is what I observed when the 5cc’s of salt was poured into 50 mL’s of water. #2 Q: How did the water and salt change when they were combined in the cup? A: When the 5cc’s of salt was added to the 50 mL’s of water the salt sank to the bottom of the cup which means that salt, is denser than water. Then once after the salt sank to the bottom it started to slowly dissolve. After at most 5 minutes the salt had completely dissolved. And that is what I learned after In experienced salt and water combining. #3 Q: What have you learned about the properties of salt when you add it to water? A: I learned that salt is denser than water because the salt sank to the bottom of the cup. I also learned that salt is also dissolvable unlike a rock the salt had completely dissolved after 5 minutes. What I learned was that salt is dissolvable and dissolvability is a property of salt. By: L.M. Article posted January 22, 2009 at 07:55 PM GMT0 • comment • Reads 842
 Article posted January 26, 2009 at 05:47 PM GMT0 • comment • Reads 766 1.When salt and water were combined most of the salt went to the bottom of the water but when you stir it up all of the salt dissolved. 2.The salt dissolved on to the water so you couldn’t see it, but the water didn’t change much. 3. I didn’t think that the measurement helped me describe the changes. 4. I learned that the salt and water is hard to separate with a filter, but it is easy to separate them by evaporating the water. 5.It helps you because the salt has some properties that you have to put in water to find out. Article posted January 26, 2009 at 05:47 PM GMT0 • comment • Reads 766
 Article posted January 23, 2009 at 09:58 PM GMT0 • comment • Reads 825 • What did you observe when the salt and water were combined? When the salt and water combined I saw that the salt dissolved and was no longer visible. • How did the water and the salt change when they were combined in the cup? It didn’t really make a difference because the salt just dissolved but it did make it a bit heavier. • How did measurement help you describe the changes? It showed how much weight the salt added. • What have you learned about the properties of salt when you add it to water? I learned that if salt is stirred in water it dissolves. • How does experimenting with a solution of salt and water help you to understand the properties of salt and/or water? Well it taught me that salt has the property of dissolving. Article posted January 23, 2009 at 09:58 PM GMT0 • comment • Reads 825
 Article posted January 27, 2009 at 10:35 PM GMT0 • comment • Reads 1012 · What did you observe when the salt and water were combined? When the salt and water combined I saw that the salt dissolved and was no longer visible. · How did the water and the salt change when they were combined in the cup? It didn’t really make a difference because the salt just dissolved but it did make it a bit heavier. · How did measurement help you describe the changes? It showed how much weight the salt added. · What have you learned about the properties of salt when you add it to water? I learned that if salt is stirred in water it dissolves. · How does experimenting with a solution of salt and water help you to understand the properties of salt and/or water? Well it taught me that salt has the property of dissolving. Article posted January 27, 2009 at 10:35 PM GMT0 • comment • Reads 1012
 Article posted January 23, 2009 at 11:07 PM GMT0 • comment • Reads 937 · What did you observe when the salt and water were combined? I saw the salt start to fog up when it hits the water. · How did the water and the salt change when they were combined in the cup? I imagine the water tasted like salt water and the salt started to fog up. · How did measurement help you describe the changes? IT DIDIN’T · What have you learned about the properties of salt when you add it to water? I REVIEWED that salt dissolves in water. · How does experimenting with a solution of salt and water help you to understand the properties of salt and/or water? IT DOSIN’T. Article posted January 23, 2009 at 11:07 PM GMT0 • comment • Reads 937
 Article posted January 23, 2009 at 11:04 PM GMT0 • comment • Reads 873 What did you observe when the salt and water were combined I noticed that when the salt and water were combined and stirred the salt dissolved into the water and it made it heaver but not fully because if you evaporated the water from the container there would be the salt that you put in before. So it’s both a mixture and a solution since a mixture is two different pieces of matter put together to make a mixture. A solution is ether two different liquids mixed into one liquid or a liquid mixed with a solid and the solid dissolves. Article posted January 23, 2009 at 11:04 PM GMT0 • comment • Reads 873
 Article posted January 23, 2009 at 09:52 PM GMT0 • comment • Reads 948 The salt changed the water because the salt dissolved and made the water salty. Also when the salt dissolved it made the water slightly cloudy. Another way the salt changed the water is when my team and I put the salt in the water it got heaver then before. Article posted January 23, 2009 at 09:52 PM GMT0 • comment • Reads 948
 Article posted January 23, 2009 at 11:17 PM GMT0 • comment • Reads 762 What did you observe when the salt and water combined? At first the salt just sank but after about a half of a minute of stirring It dissolved. How did the water and salt change when they were combined in the cup? They were only combined in a cup. How did measurement help you describe the changes? 5 cc of salt equals 1 graham of salt and it adds to the weight of the water even when dissolved and the salts weight dose not change when dissolved. What have you learned about the properties of salt when you add it to water? I reviewed that salt dissolves in water and the water stays clear. How does experimenting with a solution of salt and water help you understand the properties of salt and/or water? It actually doesn’t for me. Article posted January 23, 2009 at 11:17 PM GMT0 • comment • Reads 762
 Article posted January 27, 2009 at 10:37 PM GMT0 • comment • Reads 794 What did you observe when the salt and water combined? At first the salt just sank but after about a half of a minute of stirring It dissolved. How did the water and salt change when they were combined in the cup? They were only combined in a cup. How did measurement help you describe the changes? 5 cc of salt equals 1 graham of salt and it adds to the weight of the water even when dissolved and the salts weight dose not change when dissolved. What have you learned about the properties of salt when you add it to water? I reviewed that salt dissolves in water and the water stays clear. How does experimenting with a solution of salt and water help you understand the properties of salt and/or water? It actually doesn’t for me. Article posted January 27, 2009 at 10:37 PM GMT0 • comment • Reads 794
 Article posted January 26, 2009 at 05:25 PM GMT0 • comment • Reads 1128 · What did you observe when the salt and water were combined? The cup became clear as if the salt had never been there. · How did the water and the salt change when they were combined in the cup? The water became opaque and then cleared. Also it became a solution. · How did measurement help you describe the changes? It became heaver. · What have you learned about the properties of salt when you add it to water? Salt dissolves. · How does experimenting with a solution of salt and water help you to understand the properties of salt and/or water? Water dissolves a lot. Article posted January 26, 2009 at 05:25 PM GMT0 • comment • Reads 1128
 Article posted January 27, 2009 at 10:46 PM GMT0 • comment • Reads 705 • What did you observe when the salt and water were combined? When the water and the salt were put together and then mixed, the salt dissolved in the water. • How did the water and the salt change when they were combined in the cup? When my group weighed the water by itself it weighed 49 grams. When we mixed the salt in the mixture weighed 50 grams. Which means the salt we put in weighs 1 gram. • How did measurement help you describe the changes? It helped us by telling us the salt weighed 1 gram. • What have you learned about the properties of salt when you add it to water? That the salt dissolves in water and the water stays clear because the dissolved. • How does experimenting with a solution of salt and water help you to understand the properties of salt and/or water? Because now I know that salt dissolves in water and the water stays clear because the salt goes into microscopic pieces. Article posted January 27, 2009 at 10:46 PM GMT0 • comment • Reads 705
 Article posted January 27, 2009 at 10:47 PM GMT0 • comment • Reads 634 • What did you observe when the salt and water were combined? When the water and the salt were put together and then mixed, the salt dissolved in the water. • How did the water and the salt change when they were combined in the cup? When my group weighed the water by itself it weighed 49 grams. When we mixed the salt in the mixture weighed 50 grams. Which means the salt we put in weighs 1 gram. • How did measurement help you describe the changes? It helped us by telling us the salt weighed 1 gram. • What have you learned about the properties of salt when you add it to water? That the salt dissolves in water and the water stays clear because the dissolved. • How does experimenting with a solution of salt and water help you to understand the properties of salt and/or water? Because now I know that salt dissolves in water and the water stays clear because the salt goes into microscopic pieces. Article posted January 27, 2009 at 10:47 PM GMT0 • comment • Reads 634
 Article posted January 27, 2009 at 08:03 PM GMT0 • comment • Reads 881 • What did you observe when the salt and water were combined? The salt and water make crystal salt and the salt and the water can make crystal salt and it can stay there for a wail. Article posted January 27, 2009 at 08:03 PM GMT0 • comment • Reads 881
 Article posted January 27, 2009 at 08:21 PM GMT0 • comment • Reads 838 What did you observe when the salt and water were combined? Well what I observed was when my group at my table did was stir the water really good and it was kind of looked like plain water with nothing in it. How did the water and the salt change when they were combined in the cup? Well the water and salt just looked like nice and clean water. How did measurement help you describe the changes? I do not know how measurement helped me. What have you learned about the properties of salt when you add it to water? I do not know what properties I learned because I never see any properties How does experimenting with a solution of salt and water help you to understand the properties of salt and/or water? Article posted January 27, 2009 at 08:21 PM GMT0 • comment • Reads 838
 Article posted January 22, 2009 at 07:38 PM GMT0 • comment • Reads 903 How does experimenting with a solution of salt and water help you to understand the properties of salt and/or water? Answer: because by experimenting I learn the crushing properties and the properties it has in water. Also you might discover a really cool properties like the m+m’s when you put them in water it creates a die circle when the color die fades off the m+m. Article posted January 22, 2009 at 07:38 PM GMT0 • comment • Reads 903
 Article posted January 22, 2009 at 07:37 PM GMT0 • comment • Reads 876 1. What did you observe when the salt and water were combined? When you combined salt and water the salt dissolves witch makes a solution. 2. How does experimenting with a solution of salt and water help you to understand the properties of salt and/or water? Experimenting helps with salt so you can cheek your answer. If I didn’t do an experiment I wouldn’t be able to cheek my answer. Article posted January 22, 2009 at 07:37 PM GMT0 • comment • Reads 876
 Article posted January 22, 2009 at 07:45 PM GMT0 • comment (1) • Reads 840 What did you observe when the salt and water were combined? Most of the salt dissolved. Article posted January 22, 2009 at 07:45 PM GMT0 • comment (1) • Reads 840
 Article posted January 22, 2009 at 08:17 PM GMT0 • comment (1) • Reads 1063 · What have you learned about the properties of salt when you add it to water? One of the properties of salt is that if you put it in water is dissolves. And the water turns cloudy. Article posted January 22, 2009 at 08:17 PM GMT0 • comment (1) • Reads 1063
 Article posted January 22, 2009 at 07:56 PM GMT0 • comment • Reads 870 What did you observe when the salt and water were combined? Well the salt dissolved in the water and made a solution but we never mixed it enough so there was always a little bit of salt but when we put it through the filter all that you could see were bubbles. How did the water and the salt change when they were combined in the cup? Well the salt changed because you could barely see it and the water got bubbles after a round through the filter. How did measurement help you describe the changes? I will not answer this one What have you learned about the properties of salt when you add it to water? It has the property of dissolve you cannot see after you stir it enough in water. How does experimenting with a solution of salt and water help you to understand the properties of salt and/or water? Because some properties you can only see when it is mixed with something else. Article posted January 22, 2009 at 07:56 PM GMT0 • comment • Reads 870
 Article posted January 22, 2009 at 08:25 PM GMT0 • comment • Reads 846 • What did you observe when the salt and water were combined? A: When the salt and the water were combined, most of the salt dissolved, but at first you could still see some salt on the bottom of the cup. • What have you learned about the properties of salt when you add it to water? A: When you mix salt and water together good enough, the salt dissolves so that you can’t see it. Article posted January 22, 2009 at 08:25 PM GMT0 • comment • Reads 846
 Article posted January 22, 2009 at 07:31 PM GMT0 • comment • Reads 869 What did you observe when the salt and water were combined? When you combine salt and water than the water gets cloudy, but the salt dissolves. If you set the cup with dissolved salt and water down, and leave it alone for a couple days, you will see the salt again. Article posted January 22, 2009 at 07:31 PM GMT0 • comment • Reads 869
 Article posted January 22, 2009 at 08:02 PM GMT0 • comment • Reads 859 · What did you observe when the salt and water were combined? I noticed that the salt dissolved, and the only way you could ever see the salt again is if you let the water evaporate! · How did the water and the salt change when they were combined in the cup? The way they changed was you could not see the salt. You could only see the water! · What have you learned about the properties of salt when you add it to water? You can’t see the salt. Article posted January 22, 2009 at 08:02 PM GMT0 • comment • Reads 859
 Article posted January 22, 2009 at 08:35 PM GMT0 • comment (1) • Reads 924 What did you observe when the salt and water were combined? I saw the salt absorb into the water. Article posted January 22, 2009 at 08:35 PM GMT0 • comment (1) • Reads 924
 Article posted January 22, 2009 at 07:42 PM GMT0 • comment • Reads 871 What did you observe when the salt and water were combined? When I just dumped the salt in the water the salt sank straight to the bottom meaning that the density was more than water.  When I stirred the water though, the salt started to turn into a solution. How did the water and the salt change when they were combined in the cup? They turned into a solution which means that the salt dissolved so that you could no longer see the particles and the water was clear/see through.  How did measurement help you describe the changes? Well there is not that big of a way to describe the changes but I think the water probably rose a little bit because more mass plus mass equals a bigger bit of mass and that is something I could measure.  Another thing I could measure or that helped me measure was that the salt particles went from about 2or 3 millimeters to microscopic so that you could not see them anymore and that you knew that the mixture was also a solution. What have you learned about the properties of salt when you add it to water? When you just plain dump salt into water it stays in the same circumstances as it started in, but when you mix it with water it turns into a solution. How does experimenting with a solution of salt and water help you to understand the properties of salt and/or water? It helps you because a property is something that you can recognize any mass or object by and so salt turning into a solution is a way to recognize salt and therefore it is a property and that property can lead to more and more and more properties. Article posted January 22, 2009 at 07:42 PM GMT0 • comment • Reads 871
 Article posted January 23, 2009 at 07:36 PM GMT0 • comment • Reads 898 · What did you observe when the salt and water were combined? · The salt slowly starts to dissolve and a solution starts to be formed. How did measurement help you describe the changes? You could measure how much less salt weighed after it was put in water. What have you learned about the properties of salt when you add it to water? Salt dissolves and it gradually starts to weigh less. Article posted January 23, 2009 at 07:36 PM GMT0 • comment • Reads 898
 Article posted January 22, 2009 at 07:36 PM GMT0 • comment • Reads 968 Question :   What did you observe when the salt and water were combined?         Answer :      I observed that they formed a solution because the salt dissolved. Article posted January 22, 2009 at 07:36 PM GMT0 • comment • Reads 968
 Article posted January 22, 2009 at 08:00 PM GMT0 • comment • Reads 814 · What did you observe when the salt and water were combined? · How did the water and the salt change when they were combined in the cup? · How did measurement help you describe the changes? · The salt went to the bottom of the cup until you stirred it, then it dissolved. If you put enough salt in it either took a while to dissolve or it didn’t dissolve at all. · The salt made the water slightly foggy until it settled down or got stirred up. The salt “disappeared” or dissolved when stirred enough. · Measurement helped by telling if the water weighed more or the water level went up. Article posted January 22, 2009 at 08:00 PM GMT0 • comment • Reads 814
 Article posted January 22, 2009 at 08:04 PM GMT0 • comment • Reads 842 What did you observe when the salt and water were combined? The mixture was cloudy at first and then, once stirred, became a clear solution. How did the water and the salt change when they were combined in the cup? When the salt was added there was a cloudy substance made. As you stirred and dissolved the salt there was only a few crystals at the bottom of the cup. This made the salt seem to change from a solid to a liquid, but really dissolved. Article posted January 22, 2009 at 08:04 PM GMT0 • comment • Reads 842
 Article posted January 22, 2009 at 08:13 PM GMT0 • comment • Reads 1436 · What did you observe when the salt and water were combined? When the salt and the water were mixed together, most of the salt dissolved but some of the salt just sunk to the bottom of the cup, another something that happened was, the salt made the water just the slightest bit foggy. Article posted January 22, 2009 at 08:13 PM GMT0 • comment • Reads 1436
 Article posted January 22, 2009 at 07:42 PM GMT0 • comment • Reads 887 ·         What did you observe when the salt and water were combined? I observed that if you stirred enough the salt would dissolve leaving slightly cloudy water, but if you did not stir that much the salt would not dissolve and the water would be much cloudier. ·         How did the water and the salt change when they were combined in the cup? The water turned cloudier and the salt dissolved. ·         How did measurement help you describe the changes? The water with the salt in it was a tiny bit heavier than the water without the salt. ·         What have you learned about the properties of salt when you add it to water? Salt dissolves, and salt makes the water heavier and cloudier. ·         How does experimenting with a solution of salt and water help you to understand the properties of salt and/or water? You are changing the variables, and you can discover how the salt or water changes, and those would be new properties. Article posted January 22, 2009 at 07:42 PM GMT0 • comment • Reads 887
 Article posted January 23, 2009 at 08:09 PM GMT0 • comment • Reads 874 • What did you observe when the salt and water were combined? • How did measurement help you describe the changes? • What have you learned about the properties of salt when you add it to water? What I observed when the salt and water was combined was that the water was still clear , but the water was not as clear as water alone. The measurement helped me by telling me how much 5cc of salt and 50 mL of water weighs. The property of the salt when it is combined with the water is that it does not completely dissolve. Article posted January 23, 2009 at 08:09 PM GMT0 • comment • Reads 874
 Article posted January 23, 2009 at 05:56 PM GMT0 • comment • Reads 1049 ·How did the water and the salt change when they were combined in the cup? They changed by gaining weight. Article posted January 23, 2009 at 05:56 PM GMT0 • comment • Reads 1049
 Article posted January 22, 2009 at 06:28 PM GMT0 • comment • Reads 1269 What did you observe when the salt and water were combined? The salt dissolved and turned the water a little cloudy. What have you learned about the properties of salt when you add it to water? The water turned cloudy. Article posted January 22, 2009 at 06:28 PM GMT0 • comment • Reads 1269
 Article posted January 22, 2009 at 06:22 PM GMT0 • comment • Reads 1124 What did you observe when the salt and water were combined? How did the water and the salt change when they were combined in the cup? How did measurement help you describe the changes? What have you learned about the properties of salt when you add it to water? Salt dissolves when it gets put in the water. How does experimenting with a solution of salt and water help you to understand the properties of salt and/or water? Article posted January 22, 2009 at 06:22 PM GMT0 • comment • Reads 1124
 Article posted January 22, 2009 at 06:30 PM GMT0 • comment • Reads 869 How did the water and the salt change when they were combined in the cup? The salt dissolved into water and created a solution. Article posted January 22, 2009 at 06:30 PM GMT0 • comment • Reads 869
 Article posted January 23, 2009 at 06:05 PM GMT0 • comment • Reads 1382 • What did you observe when the salt and water were combined? I observed that the water is almost completely clear. I couldn’t see very well when I was looking at my fingers on the bottom of the cup. • How did the water and the salt change when they were combined in the cup? Well…you could barely see the salt and the water was a bit cloudy. I put my finger in it and I felt awkward particles in the water. Article posted January 23, 2009 at 06:05 PM GMT0 • comment • Reads 1382
 Article posted January 22, 2009 at 06:11 PM GMT0 • comment • Reads 937 How did measurement help you describe the changes? Measurement helped me describe the changes by letting me observe things that I did not know that could be measured, experimented, and making me think outside the box. Article posted January 22, 2009 at 06:11 PM GMT0 • comment • Reads 937
 Article posted January 23, 2009 at 06:25 PM GMT0 • comment • Reads 860 · How did the water and the salt change when they were combined in the cup? When mixed, the 5cc of salt dissolved in the 50 ml. water, and the water weighed 3 grams more. Article posted January 23, 2009 at 06:25 PM GMT0 • comment • Reads 860
 Article posted January 23, 2009 at 05:51 PM GMT0 • comment • Reads 892 How did measurement help you describe the changes? First we measured the 50 ml’s of water, and then we compared that to the 50 ml’s of water with the 5 cc’s of salt stirred into it, so we knew how many grams the salt added to the water. Article posted January 23, 2009 at 05:51 PM GMT0 • comment • Reads 892
 Article posted January 27, 2009 at 06:15 PM GMT0 • comment • Reads 1476 I was not here for the experiment mentioned, but I can infer that they put salt in water and stirred. I know from experience that table salt dissolves in water after sinking, which means the salt is denser than the water. Q. How does experimenting with a solution of salt and water help understand the properties of salt and/or water? A. The properties that are shown and proved in this experiment are that of salt dissolving in water, and salt being denser than water. It is a solution because it is clear. It only becomes a solution after all visible particles have dissolved. Article posted January 27, 2009 at 06:15 PM GMT0 • comment • Reads 1476
 Article posted January 22, 2009 at 06:34 PM GMT0 • comment • Reads 1240 What did you observe when the salt and water were combined? The salt would go to the bottom and if you stirred it, it would dissolve! How did the water and the salt change when they were combined in the cup? The salt dissolved in the water! How does experimenting with a solution of salt and water help you to understand the properties of salt and/or water? It helps me with the sinking property and the dissolve property Article posted January 22, 2009 at 06:34 PM GMT0 • comment • Reads 1240
 Article posted January 22, 2009 at 06:12 PM GMT0 • comment • Reads 871 What did you observe when the salt and water were combined? I observed the salt dissolve relatively fast. How did the water and the salt change when they were combined in the cup? The salt broke up into microscopic pieces, which caused it to disappear from view, and the water developed a large concentrate of salt. How did measurement help you describe the changes? It helped me describe the changes because I could describe how much of the salt I saw when it dissolved. What have you learned about the properties of salt when you add it to water? I learned that salt completely dissolves in water if there is enough of the water (I already knew this) How does experimenting with a solution of salt and water help you to understand the properties of salt and/or water? It helped me understand how fast salt dissolves, which is really fast. Article posted January 22, 2009 at 06:12 PM GMT0 • comment • Reads 871