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Slowest Constant Speed (Plinko)
Tape the top and bottom of a meter stick to the wall and counter. Add clothespins at an angle. The clothespins will move, 4sure! Make readjustments each time you roll a marble. The clothespins are like air molecules. This demonstrates how air resistance can cause terminal velocity (a.k.a. constant speed).
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#1 Playground Challenge
Make a Ramp (no friction) which includes the following;
1. Loop (top height must be on grid line #8),
2. Three square Jump with low impact landing (friction from impact cannot exceed 25%)
1. Loop (top height must be on grid line #8),
2. Three square Jump with low impact landing (friction from impact cannot exceed 25%)
#2. Slowest Constant Speed (Roller Coaster)
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(We work in chairs at desks). At the end we will move our projects to the counters behind our signs.
Note: Everything fits on top of the counter. You cannot build below the counter (like to the floor). Maximum height is the ring stand.
Note: Everything fits on top of the counter. You cannot build below the counter (like to the floor). Maximum height is the ring stand.
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1. What happens to the temperature after rubbing the books slowly and quickly toward each other?
Toothbrush-bots
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Grade#1- 1. Select systems. 2. Create a system that involves all 5 forms of energy.
Grade#2- 1. Create a system that does NOT use "magnets" (mechanical energy). Garde #3- ditermine which
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