Post Test Unit 7

What are natural resources?

• People

• Materials found in nature that living things use to meet their needs

• natural resources that can be replaced

• natural resources that cannot be replaced

What is a non-renewable resource?

• Natural resources that cannot be easily replaced

• Natural resources that can be easily replaced

• sunlight

• wind

What is a renewable resource?

• Oil

• Coal

• Natural resources that can be easily replaced

• Natural resources that cannot be easily replaced

What is conservation?

• Using more of a natural resource

• Non-renewal resources

• Renewable resources

• To use less of something to make its supply last longer

Weathering does what?

• Breaks things apart with wind, water, or ice

• drops sediment in a new area

• Moves things around

• It a natural resource

Erosion does what?

• Breaks things apart with wind, water, and ice

• Moves the broken pieces around

• Is a natural resource

• Is a non-renewal resoure

What is deposition?

• Natural resources

• Moving broken rock around

• Breaking rock apart

• The dropping of weathered rock by wind or moving water

Sediment is what?

• Fast changes to Earth's surface

• A natural resource

• Bits of rock that can be moved by slow moving water

• Breaking rock apart

What is soil?

• Bacteria, fungi, and other tiny organisms

• The remains of decayed plants and animals

• A mixture of rock, organic material, water, and air in which plants grow

• Expoxed rock

What are the 3 layers of soil?

• Topsoil, subsoil, and bedrock

• A vertical section of soil

• Humus, clay, and loamy

• Loam, sand, and silt