soil

Climate and Temperature

Learn how Earth's climate effects soil types all over the planet.

Connecting With Nature

Go on an adventure with the Blue Goose, the symbol of the National Wildlife Refuge System!

Conservation in Action

Join the conservation movement with U.S. Fish and Wildlife Service!

Dig Into Soil

Learn how soil scientists observe and record data and how that information is useful to farmers, builders, and others in order to use the land appropriately.

Finding Slope

Explore how the slope of land will effect water flow and life above ground in this activity from the Soil Science Society of America.

Geologic Age

This activity will have students collect data, graph it, and compare the information to what they already know about radioactive elements and dating the planet's age.

Geologic Time Scale Analogy

Unraveling time and the Earth's biologic history are arguably geology's most important contributions to humanity. Yet it is very difficult for humans to appreciate time beyond that of one or two generations, much less hundreds, thousands, millions and billions of years. Perhaps we can only hope that students catch glimpses of our rich geologic heritage, particularly when most of our teaching is done in a classroom and not in a field setting. This exercise begins to make time more "three dimensional" and most importantly, students gain a better appreciation for geologic time and our Earth's history.

How Can You Test Your Soil?

As a citizen scientist, you can use a soil test kit to find out how much of each type of chemical is in your soil.

How Much Soil Is There?

All living things depend on soil to live. But how much soil is there?

Investigating Soil

Investigate different types of soil by using a core sample.

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