11/1/10
As always, we checked the homework from over the weekend. Homework from October 27 to now. we were going to play a review game, but our questions were not to good. we weren't as creative as he wanted us to be. so, no review game.
we started talking about why we see a rainbow in white light. the speeds of the light are different. the ones that bent the most will be moving the slowest. the wave length would be the smallest.
why doesn't this happen with lasers? it is ONE focused wave length.
where else do we see this happening? rain... a rainbow... the light goes through a refracts at an angle off the humidity in the air. that creates a rainbow.
any questions about the dissection on Friday? Kevin- what was the blob jello stuff... answer-fluid that refracts the light.
ELECTRO MAGNETISM
forms of energy- x rays, microwaves...
Conner volunteered to pick up a dictionary and smash the piece of chalk on it. he put the book higher and dropped it onto the piece of chalk.. it got crushed...
displacement- moved, changed position by some amount
what is the direction that the book was placed in order to smash the chalk.. the book went up... Conner's force was up... so our displacement was up and the force of Conner was up. so as a result the book gained chalk smashing ability.
we did another observation
now we want to give the cart chalk smashing ability. chalk is now taped to the wall and molly has to push the cart towards the wall. and try to smash the chalk.
try 1- the wheels stick out too far and the cart cant touch the chalk.. now we have an assumption that we have to work through.
try 2- we taped the chalk to a brick taped to the door and molly tried it again and it worked.. the cart has smashing ability
(force = push or pull)
the bell rang and as usual we are late trying to finish up our class hopefully tomorrow we will try to finish up our experiments on the force and chalk smashing. - G.P.
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