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Watch It Fly
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Learners observe projectile motion by launching wooden balls off of a table top. They set up a rubber-band launcher so that each ball experiences a consistent amount of force.
Doughy Physics
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Learners drop two different masses of play dough and observe how long it takes them to hit the ground.
Swinging Yo-Yo
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Learners build a pendulum from a yo-yo, and then design their own experiment to determine what affects the pendulum's period of swing.
Spots, Lines and Lasers
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Learners shine the light of a laser pointer through sheets of fabric that all have a different number of threads per inch.
How Thick is Your Hair?
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In this activity on page 13 of the PDF, learners use a laser pointer (with known wavelength of light) to measure the thickness of a human hair.
Light and Dark
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Learners examine the properties of light by experimenting with an LED-flashlight and polarizing filters. When two polarizers are used, they block all light when they are placed at right angles.