1
In this activity, you will explore local rocks for signs of the Rock Cycle, the sequence of making and breaking down rocks.
Grade Level   5 6
Classroom Activities Curricula and Instruction
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2
Earth's temperature is set, in part, by a balance between incoming radiation energy from the Sun and outgoing radiation energy into space. If more energy comes in than leaves, Earth's temperature will rise, and vice versa. The atmosphere plays a big role in this balance. In this activity, you will...
Grade Level   6 7 8
Classroom Activities Curricula and Instruction
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3
Sunlight is constantly falling on Earth. At the same time, Earth is losing energy to the cold emptiness of outer space. In this activity, you will use a computer model to explore what happens to the Sun's energy when it strikes Earth.
Grade Level   6 7 8
Classroom Activities Curricula and Instruction
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4
Why is CO2 increasing in the atmosphere? Who is doing it? Many people think that CO2 is “pollution-” so that clean burning should be a way to eliminate greenhouse gas emissions. In this demonstration, we review basic chemistry (see illustration) to realize that producing CO2 is an...
Grade Level   6 7 8
Classroom Activities Curricula and Instruction
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