TCi Unit 2 Lesson 1

Front

What does the geosphere include?

Back

The geosphere includes Earth's surface and its interior.

Front

What percentage of the hydrosphere is salt water?

Back

97% of the hydrosphere is salt water.

Front

How many layers does Earth's geosphere have?

Back

Earth's geosphere has 4 layers.

Front

Where is more than half of Earth's freshwater found?

Back

More than half of Earth's freshwater is frozen as ice.

Front

What is the process called when water is heated and changes into a gas?

Back

The process is called evaporation.

Front

What are the three main components of Earth's system?

Back

The three main components are the geosphere, hydrosphere, and atmosphere.

Front

What is the definition of the hydrosphere?

Back

The hydrosphere is all the water on Earth's surface, including oceans, rivers, lakes, and glaciers.

Front

What is the definition of the atmosphere?

Back

The atmosphere is the layer of gases surrounding Earth.

Front

What is the main source of energy for the water cycle?

Back

The main source of energy for the water cycle is the Sun.

Front

What is condensation in the water cycle?

Back

Condensation is the process where water vapor cools and changes back into liquid water.