Unit 1 Test: Earth's Environmental Systems

Front

What are the basic units of matter that maintain the chemical properties of an element?

Back

Atoms

Front

What role does carbon dioxide play in Earth's atmosphere?

Back

It keeps Earth warm through the greenhouse effect.

Front

Which sphere do humans belong to?

Back

Biosphere

Front

What is the process called when water changes from a vapor to a liquid and returns to Earth's surface?

Back

Condensation

Front

What are large molecules such as proteins, nucleic acids, carbohydrates, and lipids collectively called?

Back

Macromolecules

Front

What is the term for the layer of gases surrounding Earth?

Back

Atmosphere

Front

What is the process by which plants release water vapor into the atmosphere?

Back

Transpiration

Front

What is the term for the solid part of Earth, including rocks and soil?

Back

Geosphere

Front

What is the term for the water component of Earth, including oceans, rivers, and lakes?

Back

Hydrosphere

Front

What is the greenhouse effect?

Back

The warming of Earth due to the trapping of heat by greenhouse gases like carbon dioxide.