Exploring Earth's Layers and Processes

Which layer of the Earth is the outermost layer?

• Mantle

• Crust

• Outer Core

• Inner Core

What is the primary evidence supporting the existence of Earth's four distinct layers?

• Fossil records

• Seismic wave data

• Volcanic eruptions

• Ocean currents

Which layer of the Earth is responsible for generating the magnetic field?

• Crust

• Mantle

• Outer Core

• Inner Core

How does the Earth's magnetic field affect its processes?

• It causes earthquakes

• It protects the planet from solar winds

• It influences ocean currents

• It determines the climate

What is the main component of the Earth's crust?

• Iron

• Nickel

• Silicate minerals

• Carbon

Tags

NGSS.MS-ESS2-1

Which process describes the cycling of matter in Earth's interior?

• Photosynthesis

• Thermal convection

• Erosion

• Sedimentation

What is the approximate thickness of the Earth's crust?

• 5-10 km

• 30-50 km

• 100-200 km

• 500-1000 km

Tags

NGSS.MS-ESS2-1

Which layer of the Earth is solid and primarily composed of iron and nickel?

• Crust

• Mantle

• Outer Core

• Inner Core

What is the role of thermal convection in the mantle?

• It causes the formation of mountains

• It drives plate tectonics

• It creates ocean currents

• It influences weather patterns

Tags

NGSS.MS-ESS2-3

Which of the following best describes the mantle?

• A liquid layer composed of molten iron

• A solid layer rich in silicate minerals

• A gaseous layer surrounding the Earth

• A metallic layer generating the magnetic field