Science Experiments: Light Creation, Rice Krispies Jump, and Potato-Powered Clock, Slides of Applied Mechanics

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Electricity Labs

Building A Circuit!

• Materials: D Battery, Piece of copper wire, and small (flashlight) light bulb
• Procedure: Coil the wire around the bottom of the bulb. Place the other end of wire on bottom of battery (negative end) and the light bulb at the top (positive end).
• What happens????

Make Rice Krispies Jump!

• Normally, we hear rice krispies pop in our cereal in the morning, but now we want to see them jump!
• Materials: Hand full of Rice Krispies, plate of plexiglass (foot by foot), wooden blocks or ceramic cups (need to be 1-3 inches high), and wool sweater or fake fur

Making those Krispies Jump

• Procedure:
• Place the Rice Krispies on the table surface
• Put the wooden blocks on the table and balance the plate of plexiglass over the table and Rice Krispies
• Rub the top of the plexiglass with the wool sweater or fur.
• What happens?

Potato Clock

• Not only are potatoes delicious and nutritious, but they can also be used to power a digital clock!!
• Materials: Potato clock and two potatoes
• Procedure: Follow directions given in the box for the potato clock.

More Potato Power

• This digital clock can alternate between the month and day as well as the time!