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Published in 2005
Students have the opportunity to take a core sample of their local soil. Using PVC piping, a section of soil is pulled up, allowing students to observe the soil's different layers. Those layers are then separated and identified. The identification process helps students understand what elements make...
Grade Level   5 6 7 8
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2
Soil plays a unique role in our life. Soil helps to maintain air quality, stores water and nutrients for plants, and filters contaminants from surface water. Where there is soil, life flourishes. Determining a soil’s pH is important because many plants will only grow in either alkaline or acidic...
Grade Level   4 5 6 7 8
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3
In this investigation, you will explore the characteristics of various types of rocks. Why are rocks important to citizen scientists? There are a number of reasons. We live on the topmost layer of the Earth, the crust, which is made of solid rock. We also make structures out of this rock, as well as...
Grade Level   5 6 7 8
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4
"There are many glaciers all over Alaska. Flying into Lake Clark National Park and Preserve through Lake Clark Pass, you will see many glaciers. These glaciers were growing during the last Ice Age. Now many are retreating because Alaska is getting warmer. As the glaciers melt they leave behind...
Grade Level   5 6 7 8 9 10 11 12
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5
This activity allows students to experience what rocks and minerals go through during the rock cycle. The activity explains how to manipulate chocolate using heated water and a knife into different states representing metamorphic, igneous, and sedimentary rocks. Chocolate can be ground into small...
Grade Level   3 4 5 6 7 8
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6
Raindrops contain more than just water. In addition to the small particles of dust around which water drops form, raindrops can contain chemicals found in the atmosphere. Often rain is slightly acidic. This “acid rain” can chemically affect (weather) materials it touches. The amount of...
Grade Level   6 7 8 9 10
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7
Sinkholes are natural depressions in the land caused when limestone and soils dissolve. They form when groundwater removes rock underground. They can form by slow gradual sinking or by sudden collapse of an underlying hole. Sinkholes are common in about one quarter of the U.S. You can usually...
Grade Level   6 7 8 9 10
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8
This investigation will help you to learn that different geologic materials have different characteristics. Why is this important? When a road or building is constructed, the underlying substance could have an effect on the structure's stability. Different soils, for instance, can pose different...
Grade Level   6 7 8
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9
"Since 1970, oil and natural gas have provided more than half of the energy used each year in the United States to produce electricity, heat, transportation fuels, and many everyday products from balloons to vitamins. Oil and natural gas are forms of petroleum, a word that literally means...
Grade Level   8 9 10 11 12
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10
Natural gas, which is mostly methane, is an energy resource used for generating electricity and heating, powering transportation, and manufacturing products. Right now, one-quarter of the world's energy comes from natural gas. Natural gas formation, one of the processes occurring on our...
Grade Level   6 7 8 9 10 11 12
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11
The rock cycle is the combination of all the processes that act to break down rocks, move sedimentary materials from place to place, and produce new rocks. In this investigation, students will discover what happens to rocks under lots of pressure and heat through a simulation that uses crayon...
Grade Level   3 4 5 6
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12
"Students are trying to """"""""see"""""""" what is beneath the surface of the Earth. Rather than digging up vast tracts of land to expose an oil field or to find some coal-bearing strata, core samples can be taken and analyzed to determine the likely composition of the Earth's interior. In this...
Grade Level   K 1 2 3 4
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13
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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