Chapter 7 - Weather and Seasons
By: Center for Biodiversity and Conservation — A series of pamphlets published in conjunction with the CBC's fall 1998 public presentations focusing on the effect of individuals' daily decisions and lifestyle choices on biodiversity conservation.
Surrounding Earth is a layer of air, the atmosphere, where conditions are always changing. Try your hand at predicting weather patterns by making a wind vane, a rain gauge, and a barometer.
Wouldn't it be cool if you could create a rain cloud? Or call cosmic rays into view? Well, you can do both! All you need is an aquarium, a slide projector, dry ice, and a few other easy-to-get supplies.
If the Earth turns all the way around every 24 hours, then why are some days longer than others? And why do we have winter and summer? See the answers for yourself—in a matter of seconds.