Science Kids: Earth's Materials And Systems

What do we call the scientists who study the Earth?

• Astronomers

• Biologists

• Geoscientists

• Archeologists

Tags

NGSS.MS-ESS2-3

Which sphere includes all living things on Earth?

• Geosphere

• Biosphere

• Atmosphere

• Hydrosphere

What percentage of Earth is covered by water?

• 20%

• 50%

• 90%

• 70%

Tags

NGSS.MS-ESS2-4

Which layer of the atmosphere contains the air we breathe?

• Exosphere

• Thermosphere

• Mesosphere

• Troposphere

What is the process called when rocks are moved by wind or water?

• Weathering

• Erosion

• Relocation

• Oxidation

Tags

NGSS.MS-ESS2-4