What are the four main Earth systems?
Geosphere, Hydrosphere, Atmosphere, Biosphere
What percentage of Earth is covered in water?
70%
What happens when water vapor cools and turns into liquid?
Condensation
A bird flying through the air is an interaction between which two spheres?
Biosphere & Atmosphere
What are clouds made of?
Water droplets and tiny particles
Hydrosphere
Which system includes all of Earth’s water?
Most of Earth's water is what type?
What percentage of Earth is covered in water?
What process turns liquid water into vapor?
Evaporation
A plant growing in soil is an interaction between which two spheres?
Biosphere & Geosphere
What causes rain to fall from clouds?
Water droplets become too heavy
Geosphere
Which system contains rocks, soil, and landforms?
What is the term for water found in glaciers, rivers, and lakes?
Freshwater
What is one way people can conserve water at home?
Turning off the faucet when brushing teeth
Other answers accepted
What two spheres interact when rain falls into a lake?
Atmosphere & Hydrosphere
What is the rain shadow effect?
Mountains block rain from reaching valleys
Biosphere
Which system includes all living things?
How much of Earth’s water is available for plants and animals?
Less than 1%
What do desalination plants do?
Remove salt from seawater
What two spheres interact when a horse drinks from a pond?
Biosphere & Hydrosphere
What happens to hot water vapor when it touches a cold surface?
It condenses into liquid
Atmosphere
Which system consists of gases surrounding Earth?
What is one reason desalination is not widely used?
It is expensive to operate
Why is dirty water unsafe to drink?
It may contain harmful bacteria
What two spheres interact during a sandstorm?
Geosphere & Atmosphere
What do you need for cloud formation in the atmosphere?
Water vapor, cooling, and condensation