Earths Systems

Why are plants part of the biosphere?

• They are green

• They are living things.

• They are small relative to the size of the Earth.

• They change over time.

Which of the following is not part of the geosphere?

• sand

• minerals

• riverbed

• bacteria

What are the names of Earth's four main spheres?

• atmosphere, biosphere, ionosphere, lithosphere

• asthenosphere, geosphere, hydrosphere, thermosphere

• atmosphere, biosphere, geosphere, hydrosphere

• asthenosphere, biosphere, geosphere, lithosphere

Which best describes the biosphere?

• water

• air

• rock

• life

Which best describes the hydrosphere?

• life

• rock

• water

• air

Which spheres experience changes over time?

• only the atmosphere, biosphere, and hydrosphere

• non

• all four spheres

• only the atmosphere and hydrosphere

What makes up the greatest proportion of the geosphere?

• inner core

• outer core

• Mantle

• crust

Which sphere is the troposphere a part of?

• the biosphere

• the geosphere

• the atmosphere

• the hydrosphere

Which sphere is the lithosphere a part of?

• the geosphere

• the hydrosphere

• the biosphere

• the atmosphere

Which of the following is not part of the hydrosphere?

• ice in the glaciers

• rain

• clouds

• water in rivers