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Read the Fine Print

Acid Attack

(Complete Item Description)

Abstract:: In this activity, students explore the effect of chemical erosion on statues and monuments. They use chalk to see what happens when limestone is placed in liquids with different pH values. They also learn several things that engineers are doing to reduce the effects of acid rain.

Subject:: Mathematics and Statistics, Science and Technology
Grade Level:: Primary
Collection:: TeachEngineering

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The Earth is a Changin'

(Complete Item Description)

Abstract:: This lesson introduces and describes the main types of erosion (i.e., chemical, water, wind, glacier and temperature). Students learn examples of each type of erosion and discuss how erosion changes the surface of the Earth. Students also learn why engineers need to be aware of the different types of erosion in order to protect structures and landmarks from the damaging effects erosion can cause. Figure 1 is an excellent illustration of water erosion.

Subject:: Mathematics and Statistics, Science and Technology
Grade Level:: Primary
Collection:: TeachEngineering

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Glaciers, Water and Wind, Oh My!

(Complete Item Description)

Abstract:: This hands-on activity explores five different forms of erosion (chemical, water, wind, glacier and temperature). Students rotate through stations and model each type of erosion on rocks, soils and minerals. The students record their observations and discuss the effects of erosion on the Earth's landscape. Students learn about how engineers are involved in the protection of landscapes and structures from erosion. Math problems are included to help students think about the effects of erosion in real-world scenarios.

Subject:: Mathematics and Statistics, Science and Technology
Grade Level:: Primary
SubTopics:: Water
Collection:: TeachEngineering

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More Than Skin Deep, A Teacher's Guide to Caves

(Complete Item Description)

Abstract:: This site provides information and activities about the biology of caves, how caves and stalactites form, how bats and birds differ, and more. The site is designed for students planning to visit Round Spring Caverns, one of more than 300 caves identified in the Ozark National Scenic River ways of southeast Missouri.

Subject:: Science and Technology
Grade Level:: Primary, Secondary
SubTopics:: Animals and Insects
Collection:: National Park Service

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