Spheres of the Earth

The four main spheres of the Earth are:  

• hydrosphere, geosphere, atmosphere, biosphere
• hydrosphere, geosphere, biosphere, troposphere
• geosphere, troposphere, stratosphere, biosphere
• hydrosphere and atmosphere

Which is NOT one of the Earth's major spheres or systems?

• geosphere
• hydrosphere
• plainsphere

To which sphere do all living things belong?

• geosphere
• biosphere
• hydrosphere

Which of these are part of the hydrosphere?

• solid and molten rock, soil and sediments
• water as a liquid or solid
• the air that surrounds Earth

In which Earth sphere are the solid materials that make up Earth found?

• geosphere
• hydrosphere
• atmosphere

Which of these two processes change the water of the hydrosphere from a liquid to a gas and back again?

• weathering and erosion
• evaporation and weathering
• evaporation and condensation

What gas makes up most of Earth's atmosphere?

• argon
• nitrogen
• oxygen

This is the solid outer part of the Earth composed of rock and thought to be about 60 miles thick.

• Geosphere
• Hydrosphere
• Atmosphere
• Biosphere

This is all the water at or near the Earth's surface, including bodies of water, frozen ice, water found underground, and water vapor in the atmosphere.

• Geosphere
• Hydrosphere
• Atmosphere
• Biosphere

The ____________ is the layer of air surrounding Earth.

• Geosphere
• Hydroshpere
• Atmosphere
• Biosphere