Earth's Spheres

Front

What is the sum of all living matter on Earth?

Back

Biosphere

Front

What do we call all the water in the air, oceans, rivers, lakes, ice caps, soil, rocks, and organisms of Earth?

Back

Hydrosphere

Front

What is a living thing called?

Back

Organism

Front

What portion of Earth includes its interior, rocks, minerals, and landforms?

Back

Geosphere

Front

What is rock heated to a temperature that turns it into a thick liquid called?

Back

Molten rock

Front

What is the layer of gases surrounding Earth called?

Back

Atmosphere

Front

What is the term for the interaction between living organisms and their environment?

Back

Ecosystem

Front

What is the process by which plants make their own food using sunlight?

Back

Photosynthesis

Front

What do we call the solid part of Earth, including rocks and soil?

Back

Lithosphere

Front

What is the term for the water cycle that includes evaporation, condensation, and precipitation?

Back

Hydrological cycle