2024 Unit 2 Plate Tectonics & Rock Cycling

What is the soft layer of the mantle on which the lithosphere floats?

• Lithosphere

• Outer core

• Asthenosphere

• Crust

What type of rock is primarily found in the oceanic crust?

• Granite

• Basalt

• Sandstone

• Limestone

What prevents geologists from directly exploring Earth's interior?

• Lack of technology to drill deep enough

• Extremely high temperature and pressure

• Lack of funding for deep exploration

• Earth's rotation makes drilling impossible

What layer of the Earth is described as a dense sphere of solid iron and nickel?

• Crust

• Mantle

• Outer core

• Inner core

Which part of the Earth is the innermost layer?

• Outer core

• Mantle

• Inner core

• Lithosphere

Which of the following provides indirect evidence of Earth's interior?

• Surface rocks

• Fossils

• Seismic waves

• Core samples

What type of heat transfer occurs in the mantle due to the movement of fluid currents?

• Conduction

• Convection

• Radiation

• Diffusion

Which part of Earth's core is responsible for generating the magnetic field?

• Inner core

• Crust

• Mantle

• Outer core

What is the approximate thickness of Earth's crust?

• 5-40 km

• 50-100 km

• 300-500 km

• 1,000-1,500 km

What is the rigid layer made up of the crust and the uppermost part of the mantle?

• Lithosphere

• Asthenosphere

• Outer core

• Lower mantle

Tags

NGSS.MS-ESS2-3