Mr. Gonzalez's Science Classes
We have three 6th grade Science classes and two 8th grade Science classes blogging here from the Pacific Northwest in Chimacum, WA! Sixth graders are learning a bit about Mt Saint Helens, environmental science through fresh water ecology, and physical science this year. Eighth graders are learning about life science this year. Please join us as we learn Science by exploring our world.
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Article posted June 18, 2012 at 11:02 AM GMT-8 •
comment • Reads 2809
Work is moving an object with force a distance and is measured is force times distance equals work.Power is work divided by time and the less time the more powerful you are.
Article posted June 18, 2012 at 11:02 AM GMT-8 •
comment • Reads 2809
Article posted June 15, 2012 at 07:18 AM GMT-8 •
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Ohai darr.
Okay so work is basically how far you move something.
Lets say that you were trying to move a refridgerator (Yay I can't spell refridgerator!) and you were pushing really really hard, but it didn't move after you pushed on it for like, 2 hours.
By scientific standards, you did no work. How do you cuculate work though?
Work is cucualted like this;
Force X Distance = Work.
In math, it looks like this;
Fd = W
So, when we were testing friction, my team got the fine sandpaper surface.
I had some trouble figuring it out, but my team had 2.25 friction force......(I think X3).... and then I multiplied by .1 and figured out that the amount of work my team did with 1 block over fine sandpaper is.......(*drumroll*)....
.225=http://
I love it when something like this happens!!!
and when we were doing the HOW MANY WASHERS, we figured out that 11 washers gave away about 4.1 newtons of power.
Toaster
Article posted June 15, 2012 at 07:18 AM GMT-8 •
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Article posted June 15, 2012 at 07:14 AM GMT-8 •
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Give examples of how much "Work" you did when you tested the friction of different surfaces with the block. Give examples of how much "Work" your motor did. So we did quite a bit ofwork with the blocks. I hink we got like idk. Are motor did 40 work i believe.
Article posted June 15, 2012 at 07:14 AM GMT-8 •
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Article posted June 15, 2012 at 07:19 AM GMT-8 •
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Work is when a force causes something to move. Reading a book is not scientificly work. Pushing a brick over the table is work. When my team measured the friction of the blocks, the work was 0.189 Newton-meters. The motor used 0.2 newton-meters.
Article posted June 15, 2012 at 07:19 AM GMT-8 •
comment • Reads 1146
About the Blogger
I started my teaching career in South Central Los Angeles teaching in modified to full bilingual 4th and 5th grade classes. Then I moved to WA State where I have taught mainly 6th through 8th grade. I have enjoyed the culture clash but notice that kids are the same everywhere :o)
My areas of interest are science and technology but I also love studying ancient cultures and learning about different peoples and cultures.
