Atmosphere

Front

What is a harmful substance in the air, water, or soil?

Back

Pollutant

Front

What is the term for the force pushing on an area?

Back

Pressure

Front

What type of light is most of the energy that reaches Earth from the Sun?

Back

Visible light

Front

What are particles of carbon that enter the air when wood or coal are burned called?

Back

Ash

Front

What happens to air pressure as the density of air decreases?

Back

It decreases.

Front

What is the layer of gases surrounding the Earth called?

Back

Atmosphere

Front

What is the term for the uppermost layer of the atmosphere?

Back

Exosphere

Front

What is the main gas found in the Earth's atmosphere?

Back

Nitrogen

Front

What is the process by which plants use sunlight to make food?

Back

Photosynthesis

Front

What is the term for the movement of air from high pressure to low pressure?

Back

Wind