Water Cycle - Atmosphere (5)
How is air polluted?
CAREFULLY DO THESE EXPERIMENTS: LISTEN TO YOUR INSTRUCTOR
MATERIALS: beaker or glass jar, candle, matches, tray, water
Describe what happens:
DO THE FOLLOWING EXPERIMENTS OVER THE TRAY WITH WATER.
MATERIALS: candle, jar, foil, tray, water
What did you find?
With the same jar, put a few pieces of leaves on the bottom of the jar. After your instructor approves, place a match or candle to the leaves. What happens?
CONCLUSION: Does all burning create pollution?