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Published in 2018
Have you ever felt an earthquake? What was it link? What did you do? More than 143 million people are exposed to potentially damaging shaking in the United States. The US Geological Survey (USGS) along with universities and state agencies in Washington, Oregon, Nevada, and California are developing...
Grade Level   K 1 2 3 4 5 6 7 8 9 10 11 12
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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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3
Link to a PDF for an activity: Hands-on experiment to test for acid mine damage
Grade Level   5 6 7 8 9 10 11 12
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4
The atmosphere is a mixture of gases. Similarly, the world's oceans and fresh waters contain dissolved chemicals. Many substances dispersed in air or water are measured in parts per million. Some of these substances are colorless, odorless, and tasteless, yet even in small quantities they can be...
Grade Level   5 6 7 8
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5
A volcano is a vent in the surface of the Earth through which magma and gasses erupt. Volcanic eruptions are among the Earth's most powerful and destructive forces, but volcanoes are also creative. Volcanoes have also shaped the Earth's landscape, as many of our mountains, islands, and plains have...
Grade Level   5 6 7 8
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6
At the close of the 18th century, the haze of fantasy and mysticism that tended to obscure the true nature of the Earth was being swept away. Careful studies by scientists showed that rocks had diverse origins. Some rock layers, containing clearly identifiable fossil remains of fish and other forms...
Grade Level   5 6 7 8 9 10 11 12
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7
"Maps are two-dimensional ways of representing information about the natural and built world from a """"""""top-down"""""""" perspective. You are probably familiar with road maps that show where roads go and which roads intersect with others and where. You also may have seen weather maps, which show...
Grade Level   6 7 8
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8
In this activity, students observe real fossils. The fossils are then used to make moulds. After the moulds dry, students can practice looking for the fossils by picking them out of a hardened mud mixture. Aster the activity, students should discuss how fossils are formed, where they can be found,...
Grade Level   K 1 2 3 4
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9
This activity includes a poster illustrating a story of two children exploring a cave, as well as a guide for exploring caves. The guide features cave diagrams, cave creation, and where to look for caves.
Grade Level   K 1 2 3
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10
One of the most frightening and destructive phenomena of nature is a severe earthquake and its terrible aftereffects. An earthquake is a sudden movement of the Earth, caused by the abrupt release of strain that has accumulated over a long time. For hundreds of millions of years, the forces of plate...
Grade Level   7 8 9 10 11 12
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11
A watershed is an area or ridge of land that separates waters flowing to different rivers, basins, or seas. Watersheds are studied for their contribution to the health of local water systems; many pollutants from the land make their way into the rivers and streams, exiting into the ocean. This...
Grade Level   9 10 11 12
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