Friday, December 11, 2009

Force

What science ideas did you learn?

This week we learned more about force and how to draw force diagrams. We where given a lot of different situations and had to draw force diagrams for them. We also learned that your weight changes when you stand on a scale in a moving elevator. This week we also learned how mass and weight are similar and different. Mass is the property of an object and weight is a force.

How did you learn these ideas?

We learned these ideas by discussing as a class, talking in our table groups, and by experimenting. We talked within our table groups about our theories of force and then we discussed as a class how it actually works. We then preform an experiment to prove our hypothesis is correct.

Why is it important to know this idea?

It is important to understand this idea of force because we should know why we are able to stand on the earth. We should know that if you travel to the moon or a smaller planet that you could be flying in the air because there is now gravity or force to pull you down to that planet.

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