What a great idea!!!
I have done the first part but didn't present like you!!
From: Tommy/Christine Lowman <lowman@...
Date: Saturday, January 20, 2001 11:29 AM
Subject: [NBPTS-AdolAdult-Sci] Physics Inquiry
>Do you do Newton's laws? Here are the three EGGceptional laws:
>Eggceptional law #1--inertia
>Newton used a hard boiled egg and an Erleneyer flask. He got the egg into
>the flask without breaking the flask or smashing the egg. Can you do the
>Place two candles in the pointed end of the egg and light them. Turn the
>flask upside down. Gently hold the egg against the mouth of the bottle with
>the candles burning inside the flask. The egg wil be sucked into the flask.
>Blowing into the flask will force the egg out--hold the flask angled down
>and blow as hard as you can into the mouth. It's a bit harder to get the
>egg out than in!(There are other variations of this lab around.)
>These demonstrate Newton's first law because the egg would have remained in
>place (either outside the mouth of the flask or inside the flask) unless
>another force acted upon it. In this case, the force was air pressure.
>Eggceptional law #2--acceleration and mass
>Each group races a Matchbox car down an inclined plane three times each
>with a blown (hollow) egg, a raw egg, and a hard-boiled egg attached with
>either tape or rubber bands. Record the speed each time and average the
>blown, raw, and hard-boiled times.
>The acceleration depends on the mass.
>[I've done this one--with only the blown and hard-boiled eggs, not the
>Eggceptional law #3--equal reactions
>Place 24 raw eggs on a wooden board evenly spaced about one inch apart.
>Arrange them with the narrow point down and secured in place with Ply-Doh
>snakes. Plance small, flat pieces of clay on top of the eggs, too. Gently
>lay a second board on top. Slowly palce the smallest kid the the room on
>top of the board. If the child is evenly and properly lowered on to the
>borad (the action), what will be the reaction? If the child is not evenly
>and properly lowered onto the board, what will be the reaction?
>Part 2--an egg toss, either raw or hard-boiled. If the egg is tossed gently
>and caught carefully, it shouldn't break. If the egg is tossed too hard,
>not caught properly or droppped, there will be an equal and oppostie
>reaction to be cleaned up.
>Christine in NC
>I have At 02:38 AM 1/19/2001 -0000, you wrote:
>>It was very helpful to read the biology suggestions for the lab entry.
>>I was wondering if anyone had similar suggestions for earth or physics
>>Unfortunately, most of our labs are "cookbook" labs.