1. What is the best thing to do with a used plastic bottle?

a. Throw it in the garbage.

b. Recycle it.

c. Burn it.

2. Which household appliance uses the most electricity?

a. a microwave oven

b. a toaster

c. a refrigerator

3. If you piled all the paper an average American uses in a year, the stack would be . . .

a. as tall as you.

b. as tall as a two-story house.

c. as tall as the Empire State Building.

4. How are trees the most useful to man?

a. They produce oxygen.

b. They're great for fireplaces.

c. They provide us with shade.

5. What is the best way to clean a driveway or patio?

a. Clean it with an electric fan.

b. Hose it off with water.

c. Sweep it with a broom.

6. 20,000 gallons of water can be saved annually by not letting the water run. That can fill:

a. a garbage can

b. a swimming pool

c. a school bus

7. If you lined up all the foam cups made in one day, how far would they reach?

a. around the Earth

b. across a football field

c. across China

8. How many times can an aluminum can be recycled?

a. There's no limit.

b. An aluminum can is recyclable only once.

c. Aluminum can't be recycled.