Which layer of the Earth is composed of gases that protect the planet from outer space dangers?

• Atmosphere

• Geosphere

• Biosphere

• Hydrosphere

What is the essential element for life found in the atmosphere?

• Nitrogen

• Hydrogen

• Carbon Dioxide

• Oxygen

Tags

NGSS.MS-LS1-6

Which layer of the atmosphere is closest to the Earth's surface?

• Exosphere

• Stratosphere

• Troposphere

• Mesosphere

Which layer of the Earth includes all living beings?

• Atmosphere

• Geosphere

• Biosphere

• Hydrosphere

Which of the following is NOT an ecosystem found in the biosphere?

• Forest

• Tundra

• Desert

• Ocean

In which states does water exist in the hydrosphere?

• Solid and Gaseous

• Solid and Liquid

• Solid, Liquid, and Gaseous

• Liquid and Gaseous

Tags

NGSS.MS-PS1-4

What percentage of the Earth's water is fresh drinking water?

• 10%

• 6%

• 25%

• 50%

Tags

NGSS.MS-ESS2-4

Which layer of the Earth extends from the surface to the center?

• Atmosphere

• Biosphere

• Geosphere

• Hydrosphere

What are the three layers of the geosphere?

• Crust, Core, and Surface

• Crust, Mantle, and Surface

• Crust, Mantle, and Core

• Core, Mantle, and Surface

What happens to the temperature as we move deeper into the geosphere?

• It increases

• It fluctuates

• It remains the same

• It decreases