What is the Role of Energy?

Thursday, September 18, 2014

Mass Lab Station #1

The point of this lab activity was to figure out whether or not the mass of a ball of fiber would change after being pulled apart from a once condensed position.

Claim: I believe that the mass would not change after being pulled apart, due to the fact that nothing is being added or removed from the system. The only thing that is changing is the amount of space that the fiber occupies.

Evidence: After measuring the mass of the fiber before and after we pulled it apart, we discovered that the mass did not change. There was nothing being added or removed from the system, so this conclusion seems to be valid.

Reasoning: The reason that the mass stayed the same after being pulled apart is fairly simple. The fiber itself was not being changed or having anything added or removed from it, so there is no real reason for it to change on its own.

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