Earth Systems

All water on Earth is recycled through ____.

• the water cycle
• pockets of nitrogen
• exhaled gas
• dead organic material

All living things on earth are part of the....

• Biosphere
• Geosphere
• Hydrosphere
• Cryosphere

All frozen water on Earth is...

• Hydrosphere

• Geosphere

• Atmosphere

• Mesosphere

Geo = 

• Earth
• Sphere
• Life
• Water

Hydro = 

• Sphere
• Earth
• Life
• Water

The rocky part of the Earth; both solid and semi-solid rock is what system?

• Geosphere
• Anthrosphere
• Cryosphere
• Atmosphere

When carbon dioxide dissolves from the air into the ocean -the interaction is between

• the atmosphere and atmosphere
• the atmosphere and hydrosphere
• the atmosphere and geosphere
• the atmosphere and biosphere

Which of these is NOT a function of Earth’s atmosphere?

• insulating the planet to keep it warm

• protecting Earth from harmful radiation

• allowing water to evaporate into space

• storing oxygen for living things to breathe

Which layer of the atmosphere is correctly paired with its characteristics?

• The stratosphere is the layer of the atmosphere that contains ozone that protects living things from ultraviolet radiation.

• The mesosphere is the layer of the atmosphere in which thin, feathery clouds of ice form due to its cold temperatures.

• The thermosphere is the layer of the atmosphere that has no definite outer limit and protects the surface from being hit by meteoroids.

• The troposphere is the layer of the atmosphere that contains the ionosphere where weather occurs.

Which of the following is NOT a layer of the atmosphere?

• Troposphere

• Mesosphere

• Biosphere

• Stratosphere