Earth's Systems and Lithosphere

What is the outermost layer of the Earth called?

• Crust

• Inner Core

• Mantle

• Outer Core

Which layer of the Earth is liquid?

• Crust

• Mantle

• Outer Core

• Inner Core

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

• 5 km

• 20 km

• 30 km

• 100 km

What is the primary composition of the lithosphere?

• Liquid metals

• Gases

• Solid rocks and minerals

• Molten lava

How do scientists study the Earth's layers?

• Using seismic waves from earthquakes

• By observing surface rocks

• By drilling deep into the Earth

• Through satellite imagery

What is the function of the lithosphere?

• To absorb sunlight

• To provide a liquid surface for life

• To generate earthquakes

• To host tectonic plate movements

Which layer is directly below the crust?

• Lithosphere

• Outer Core

• Inner Core

• Mantle

What is the significance of the lithosphere?

• It is the hottest layer of the Earth

• It is the only layer that contains life

• It shapes landscapes and supports ecosystems

• It is the source of Earth's water

What is the primary material found in the inner core?

• Gases

• Molten rock

• Solid iron and nickel

• Liquid iron

What is the average thickness of the lithosphere beneath oceans?

• 30 km

• 20 km

• 5 km

• 100 km