The Earth's Layers

What is the geosphere?

• The layer of air surrounding Earth

• The layer of water covering Earth's surface

• The outer space surrounding Earth

• The inner layer of Earth made of solid rock

Tags

NGSS.MS-ESS2-1

How thick is the geosphere?

• Approximately 6730 kilometers

• Around 1000 kilometers

• Nearly 500 kilometers

• Over 10,000 kilometers

What makes up the crust of the Earth?

• Liquid iron and nickel

• Continents and ocean bottoms

• Magma and molten rock

• Gases and atmosphere

What causes earthquakes?

• Flow of water currents

• Changes in the atmosphere

• Movement of tectonic plates

• Volcanic eruptions

Tags

NGSS.MS-ESS2-3

NGSS.MS-ESS3-2

What is the mantle made of?

• Solid iron

• Molten rock called magma

• Liquid water

• Gaseous compounds

How does magma reach the Earth's surface?

• Through artificial drilling

• Due to the rotation of the Earth

• Through cracks in the ocean floor

• Via the movement of tectonic plates

Tags

NGSS.HS-ESS2-1

What is the core primarily made of?

• Carbon and diamonds

• Rock and sand

• Water and ice

• Iron and nickel

What is the temperature range in the core?

• 700 to 1300 degrees Celsius

• 100 to 1000 degrees Celsius

• 4400 to 6000 degrees Celsius

• Below 0 degrees Celsius

Tags

NGSS.HS-ESS2-3

How do magnetic fields get generated?

• By the movement of molten metal in the outer core

• By volcanic eruptions

• Through the Earth's rotation

• Due to sunlight

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

What instrument uses Earth's magnetic fields?

• Telescope

• Compass

• Thermometer

• Barometer