Landforms and Bodies of Water
The Water Cycle
Earth's Natural Resources
The Process of Erosion
Soil, Rocks, and Fossils
100

The tallest landform, usually with steep rocky sides and sometimes a snow covered peak.

What are mountains?

100

Rain, snow, sleet, and hail occur in this step of the water cycle.

What is precipitation?

100

Resources that can be replaced or will never run out.

What are renewable resources?

100

The breaking down of rock into smaller pieces.

What is weathering?

100

The remains of plants and animals that lived millions of years ago.

What are fossils?

200

A large body of freshwater surrounded by land on all sides.

What is a lake?

200

This is the energy source that powers the entire water cycle.

What is the sun?

200

When these resources are gone, they're gone forever.

What are nonrenewable resources?

200

Wind, water, and gravity cause sediments and rocks to move during this process.

What is erosion?

200

Rocks formed by magma or lava cooling and hardening.

What are igneous?

300

Oceans, seas, and some lakes have this kind of water.

What is saltwater?

300

This occurs when liquid water gets warm enough and changes into a gas called water vapor.

What is evaporation?

300

Oil, coal, and natural gas are referred to as this.

What are fossil fuels?

300

Sand dunes and deltas are formed during this step of the erosion process.

What is deposition?

300

This is what we call the process of rocks constantly changing from one type to another.

What is the rock cycle?

400

Surrounded by water on three sides, this landform sticks out into a body of water.

What is a peninsula?

400

Clouds are formed by this step of the water cycle.

What is condensation?

400

Human beings would not be able to survive without these.

What are natural resources?

400

Frost wedging is a type of weathering that occurs when water gets into cracks in rocks and does this.

What is freeze?

400

The name of the top layer of soil that is made up of decaying plant and animal matter.

What is humus?

500

The build up of sediment at the mouth of a river creates this landform.

What is a delta?

500

Rainwater and runoff gathering in low areas to form ponds and lakes.

What is collection?

500

A type of energy source that is created using the power of running water.

What is hydroelectric power?

500

Rust and corrosion are examples of this type of weathering.

What is chemical?

500

Fossils are mostly found in this type of rock.

What is sedimentary rock?