today alice, lilly, and i did the craters lab. it was really fun to play with the flour. there was an obvious pattern in the drops (inches):
the compass ball's width increased by 1/4 each time (every 2 inches)
the ping pong ball' width increased by 1/2 the fist time and stayed at 3 for the rest
the golf ball's depth incresed by 1/2 each time
:P
Tuesday, December 18, 2007
Monday, December 17, 2007
motors lab
so today we did the magnetic motors lab with me, maddy and rose. the first part of the experiment we did and i didn't work but then we realized that we had to tape it on both ends and it worked. the second part of the lab was kind of confusing and i tried to make it but i didn't strip enough green stuff of the copper for it to work. it was fun and i liked trying out different situations to get it to work.
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