My Science Box

Time
10 min demo and introduction
30-40 min investigation
10-15 min discussion

Grouping
Groups of 4-6 students

Materials
For the demo, the teacher needs:

• One dry cleaner bag
• Cellophane tape
• 3-4 paper clips
• Blow dryer (hand held hair dryer)

Each group of students needs:

• One aluminum pie tin
• Tea light candle, hot plate, or other heat source
• Matches or a lighter
• 4 film canisters
• Food coloring in dropper bottles or with eyedroppers
• 2-3 cups water
• 2-3 tablespoons liquid hand soap or shampoo with a metallic, pearly appearance. SoftSoap® and Walgreen’s Liquid Soap both work well. Look for glycol stearate, glycol distearate or glycerol stearate among the ingredients on the label.
• Small pocket-sized mirror

Every student needs a copy of the Convection in a Pan handout.

Setting
Classroom