Spaceship Earth

Investigating Earth Materials

The Blue Marble

• The title of this photograph is “The Blue Marble.”

• What is this blue marble?

• Who do you think might have taken this photograph?

• Why do you think they named it as they did?

Spaceship Earth

• What can you tell about Earth from this photograph?

• The Earth is like a spaceship on which we travel.

• It has everything we need to stay alive.

Earth’s Surface

The Earth has rocks and soil to help us make and grow the things we need.

Earth’s Surface

And, that surface is

constantly changing.

Earth’s SurfaceOver two-thirds of the Earth’s surface is covered by water. Think about how many ways we use water.

Earth’s Surface

And, that water is constantly moving.

Earth’s Blanket

• What do we call the blanket of gases that surround the surface of the Earth?

• The atmosphere rises above us and provides the air we breathe.

Earth’s Atmosphere

The Earth’s atmosphere is

constantly changing, too.

Earth ChangesMan also changes

the Earth.

Mission: Spaceship Earth

• Your mission as an Earth scientist is to learn more about these earth materials.

• By studying the Earth and how it works, we can use and protect these natural resources.

• After all, it’s the only Earth that we have.

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Geologists at Work

Geologists at Work

Geologists at Work

Geologists at Work

Geologists at Work

Credits

• USGS (United States Geological Survey)

• USDA (United States Department of Agriculture)

• NOAA (National Oceanic and Atmospheric Administration)

• NASA (National Aeronautics and Space Administration)