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Hoffman Planetarium
Activity Guide 
Teachers and Students can find a downloadable version of the Hoffman Planetarium Activity Guide.
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FOSS eBook
Soils, Rocks and Landforms Log into FOSSWeb
username: opstudent password: opstudent 
Investigate our world in all its natural beauty.
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Soils
View these videos to understand more about soil and how it is formed.
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Soil Composition
Compare the types of sand found throughout the world using this virtual lab.
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Weathering and Erosion
Watch these FOSS videos to learn about weathering and erosion.
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Rapid Changes Cards
In this activity, you will attempt to organize cards base on the changes that occur on the Earth due to geological processes.
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Volcanoes
Volcanoes are active throughout the world. Learn how volcanoes form and what causes their eruption.
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Volcanic Structure
Use this interactive to observe the structure and function of volcanoes.
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Mt. St. Helens
In 1980, Mt. St. Helens erupted in the United States. Learn about the events surrounding this natural disaster.
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Natural Disasters
Investigate natural disasters that occur throughout the world and in our solar system.
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Fossils
Use this FOSS video to learn and understand the science behind fossils and how they are made.
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Fossil Types
In this NatGeo reading, you will learn and view the fossils and scientists that explore the past.
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Rocks
Use this video as an introduction to the rock cycle and the types of rocks.
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Rock Cycle Interactive
Learn how to distinguish between types of rocks, the Rock Cycle and discover how rocks change over time.
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Natural Resources
This fun video gives a fun spin to the natural resources that we have and how we can use them wisely.
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