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Changes in Matter Reflection
Article posted November 3, 2010 at 06:59 PM GMT0 •
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In this unit in science, we learned about changes in matter. My favorite thing we did in this chapter was the one science lab we did where we mixed CaCl2 with NaCHO3 and cabbage juice, and put it in the bag, and it started to turn purple and almost blew up! I really didn't dislike anything in this unit. Three thing we learned about in this unit was about solutions, elements, and about compounds. What was your favorite thing?
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Article posted November 3, 2010 at 06:59 PM GMT0 •
comment • Reads 594
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Heat and Matter Reflection
Article posted September 27, 2010 at 07:01 PM GMT0 •
comment (2) • Reads 558
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Ok, I'm going to talk to you about what we learned in this science unit! Three things we learned about is conduction, convection, and radiation! Conduction is energy transfered by direct contact. Convection is energy transfered by the motion of molecules in a substance. Radiation is energy transfered by electromagnetic radiation. My favorite thing was when we did the experiment where we put our hand in a pan full of water, then put it in the middle pan! The warm water felt good! I didn't like the popcorn lab, though, because I'm really not a big fan of popcorn! But, that's just me!
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Article posted September 27, 2010 at 07:01 PM GMT0 •
comment (2) • Reads 558
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