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Dendrochronologists use tree rings to go back in time to learn more about past climate. Using straws to recreate tree rings, you can learn how dendrochronologists work. Construct a 50-year climatic history on a three-meter time line. In this activity, students use the spacings between tree rings to...
Grade Level   5 6 7 8 9
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2
There are many factors that combine to form soil, an important, slowly renewable resource. Some of these factors include climate, organisms, relief, parent material, and time. Soil provides the food, fiber, and building materials to nourish, clothe, and house Earth’s inhabitants. How does climate...
Grade Level   5 6 7 8
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3
It takes energy to run the appliances and machines we use everyday. The national average commercial cost to use this energy is ¤0.10/kilowatt hour. In addition to the financial cost, there is also an environmental cost in the form of carbon emissions. The general rule of thumb is that every...
Grade Level   6 7 8 9 10 11 12
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4
Earth's climate is a product of and is affected by many things—and it's changing. Long-term and short-term processes, such as plate tectonics and volcanism, contribute to climate. Likewise, human influences, such as rising CO2 levels from fossil fuel burning and deforestation, play active...
Grade Level   6 7 8 9 10 11 12
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5
Atmospheric scientists study weather processes, the global dynamics of climate, solar radiation and its effects, and the role of atmospheric chemistry in ozone depletion, climate change, and pollution. They observe what's going on in our atmosphere today and compare it to records from years past. To...
Grade Level   6 7 8 9 10 11 12
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6
Severe weather includes phenomena such as thunderstorms, hurricanes, tornadoes, and lightning storms. Severe weather can cause great amounts of damage, especially in places where severe weather is prevalent. How much of a danger does severe weather pose for the area where you live? You can compute...
Grade Level   6 7 8
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