What is the primary difference between the geosphere and hydrosphere?

• A. The geosphere includes water, and the hydrosphere includes rocks.

• B. The geosphere includes land, while the hydrosphere includes water.

• C. Both include living organisms.

• D. The geosphere is smaller than the hydrosphere.

Which component is found in the atmosphere?

• A. Sand

• B. Glaciers

• C. Oxygen

• D. Soil

In which sphere would you classify coral reefs?

• A. Geosphere

• B. Biosphere

• C. Atmosphere

• D. Hydrosphere

Volcanic eruptions are part of which Earth sphere?

• A. Geosphere

• B. Atmosphere

• C. Biosphere

• D. Hydrosphere

Which type of mixture has particles that are not evenly distributed?

• A. Homogeneous

• B. Solution

• C. Heterogeneous

• D. Pure substance

Which of these can be classified as a homogeneous mixture?

• A. Chocolate chip cookies

• B. Saltwater

• C. Pizza

• D. Sand and water

A pure substance is defined as:

• A. A combination of elements and compounds

• B. A material that can be physically separated

• C. Matter made of only one type of particle

• D. A type of homogeneous mixture

What type of matter is Kool-Aid?

• A. Pure substance

• B. Compound

• C. Homogeneous mixture

• D. Element

What is a property of nonmetals?

• A. Malleable

• B. Conduct electricity

• C. Brittle

• D. Magnetic

Which element is most likely a good conductor of heat?

• A. Iron

• B. Carbon

• C. Silicon

• D. Sulfur