1
The Ozone Hole poster used in this activity brings together colorful images of over 30 years of satellite observations of the ozone hole. Once you understand the meaning of the color scale, you can interpret the colors on the globes and see how the ozone hole has changed over time.
Grade Level   5 6 7 8 9 10 11 12
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2
Since our beginnings, we humans have had a narrow view of our home - Earth. For many years, standing on the ground and looking around or climbing a mountain and squinting down were the most useful ways people had of trying to understand the planet's surface. Only in the past few hundred years have...
Grade Level   4 5 6 7 8 9
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3
Ocean currents — the continuous, directed movement of ocean water — affect regional climates and alter the biological and chemical characteristics of seawater. Currents can flow for long distances both at and below the ocean’s surface. Wind drives surface currents, whereas density often drives...
Grade Level   6 7 8
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4
To measure ozone in the Earth's atmosphere, NASA built the approximately 6-500-pound Aura satellite. The spacecraft carries four high-tech instruments that scan the globe from more than 700 kilometers above the planet. For students, there is an easy way to investigate ozone in their own...
Grade Level   6 7 8 9
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5
What is sea ice? It is simply frozen ocean water. Why is sea ice important? While it occurs mainly in polar regions, sea ice influences our global climate. Changing amounts of sea ice can affect ocean circulations, weather patterns, and temperatures around the world. Sea ice insulates the relatively...
Grade Level   6 7 8 9 10
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6
In ancient times, sailors found their way by observing stars and other celestial bodies — when they were visible through the clouds, that is. Thus, one of the most important improvements to ocean navigation was the invention of the compass. There is some disagreement about who should get...
Grade Level   6 7 8
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7
Is the ozone hole getting smaller? How much rain is in the cloud of a hurricane? How much sea ice is melting in the Arctic? For over 50 years, NASA scientists have been asking questions and collecting data from space-based satellites to study Earth's changing environment. Engineers and scientists...
Grade Level   6 7 8 9 10 11 12
Classroom Activities Curricula and Instruction
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