Unit 4: Earth's Spheres and Atmosphere

Front

What layer of the atmosphere do meteors burn up in?

Back

Mesosphere

Front

What happens to air pressure when a person climbs a mountain?

Back

It decreases.

Front

Which sphere contains all of the liquid water on Earth?

Back

Hydrosphere

Front

Why is the ozone layer important for life on Earth?

Back

It shields the Earth from ultraviolet (UV) rays from the sun.

Front

Which two spheres interact when volcanoes erupt and ash spreads through the air?

Back

Geosphere and atmosphere.

Front

What is the definition of the atmosphere?

Back

The layer of gases surrounding Earth.

Front

What is the hydrosphere?

Back

All the water on Earth, including oceans, rivers, lakes, and groundwater.

Front

What is the geosphere?

Back

The solid part of the Earth, including rocks, soil, and landforms.

Front

What is the biosphere?

Back

The regions of Earth where life exists, including land, water, and the atmosphere.

Front

What role does the atmosphere play in weather?

Back

It contains the gases that create weather patterns and climate.