Earth's Systems - Unit 6 - Pop Flashcard

Front

What is the layer of gases that surrounds Earth called?

Back

atmosphere

Front

What is considered the most precious resource on Earth?

Back

water

Front

What percentage of Earth's total water supply is salt water?

Back

about 97%

Front

What term describes any substance added to the land, air, or water that is harmful to living things or the environment?

Back

pollution

Front

What are the four main spheres of Earth?

Back

Geosphere, Hydrosphere, Atmosphere, Biosphere

Front

What is the term for the water cycle that describes the continuous movement of water on, above, and below the surface of the Earth?

Back

hydrological cycle

Front

What is the primary source of energy for the Earth's atmosphere?

Back

the Sun

Front

What is the process called when water vapor cools and changes back into liquid water?

Back

condensation

Front

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

Back

Geosphere

Front

What is the interaction between the hydrosphere and geosphere called?

Back

Hydrosphere-Geosphere interaction