Water
Land
Air
Life
100

The -sphere that includes all the water on Earth.

Hydrosphere!

100

This is what plants grow in.

Soil!

100

This gas is necessary for human life, which we breathe in. 

Oxygen!

100

This liquid is necessary for life. 

Water!

200

In the water cycle, evaporated water rises and turns into this.

Clouds!

200

When earthquakes and volcanoes happen under the ocean, these powerful waves occur.

Tsunamis

200

All the gases, including oxygen and carbon dioxide, are surrounding the Earth in this. 

Atmosphere!

200

The process where plants take sunlight and carbon dioxide to create energy and oxygen.

Photosynthesis!

300

Water in rivers and streams eventually ends up here.

Oceans!

300

This is a sudden shaking of the earth's surface, which can cause serious damage. 

Earthquakes!

300

These gases trap heat in our atmosphere. 

Greenhouse gases!

300

DAILY DOUBLE: All living things have their genetic information in this. 

DNA

400

Frozen bodies of water that are a part of the hydrosphere.

Glaciers!

400

This occurs when tectonic plates pull part, magma erupts to the surface as lava. 

Volcanoes!

400

In the atmosphere, water vapor condenses to form this. 

Clouds!

400

When a plant or animal dies, this happens.

Decompose/Decomposition! 

500

Rain, snow, and hail are examples of this.

Precipitation! 

500

Name at least two layers of the Earth.

Crust, mantle, inner core, and/or outer core.

500

Name two human activities that create greenhouse gases. 

Driving cars, factories, fires, buses, agriculture, etc. 

500

This -sphere includes all living things.

Biosphere!