Select a chapter aboveor enter a keycode fromyour Earth Science textbook and clickGo!
What Can You Learn from a Thermometer on a Rising Balloon? Keycode: ES1702
How Does the Temperature at One Location Change over a Year? Keycode: ES1706
How Does the Ozone Layer Change over Time? Keycode: ES1708
How Might Global Climate Change Affect Life on Earth? Keycode: ESU501
Observe auroras as seen from the ground and from space. Keycode: ES1703
Observe seasonal changes in the amount of sunlight reaching locations on Earth. Keycode: ES1704
Examine infrared images that show variation in surface temperature. Keycode: ES1705
Observe forest fires as seen from space. Keycode: ES1707
Learn how air pollution can be reduced. Keycode: ES1709
Learn more about instruments used to study the atmosphere. Keycode: ES1710
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