Shady Dealings

Ask your students to investigate the effect of shade on temperature. Angle a piece of clear plastic or glass toward the sun, and record the temperature underneath. Then shade it with a piece of cloth or netting and repeat the investigation, comparing temperature readings. Try other methods of shading and compare them.

Ask your students to investigate the effect of shade on temperature. Angle a piece of clear plastic or glass toward the sun, and record the temperature underneath. Then shade it with a piece of cloth or netting and repeat the investigation, comparing temperature readings. Try other methods of shading and compare them. Have students speculate on how shading might affect the greenhouse climate, both positively and negatively.