Earth's Layers and Plate Tectonics Quiz

What is the outermost layer of the Earth called?

• Mantle

• Core

• Crust

• Lithosphere

What is the primary composition of the Earth's inner core?

• Water and rock

• Iron and nickel

• Carbon and hydrogen

• Silica and oxygen

Which layer of the Earth is semi-solid and located beneath the crust?

• Inner core

• Outer core

• Mantle

• Lithosphere

What is the lithosphere composed of?

• Inner core and outer core

• Crust and uppermost mantle

• Mantle and outer core

• Asthenosphere and mantle

What are tectonic plates?

• Layers of gases around the Earth

• Large pieces of Earth's lithosphere

• Layers of the Earth's atmosphere

• Solid rock masses in the inner core

Which tectonic plate is the largest?

• African Plate

• Pacific Plate

• Eurasian Plate

• North American Plate

Which layer do tectonic plates 'float' on?

• Inner core

• Lithosphere

• Asthenosphere

• Crust

What drives the movement of tectonic plates?

• Gravity from the Sun

• Convection currents in the mantle

• Ocean waves

• Earth's rotation

Which type of boundary involves plates moving away from each other?

• Convergent

• Transform

• Divergent

• Static

What geological feature is most commonly associated with convergent boundaries?

• Mid-ocean ridges

• Mountains

• Rift valleys

• Plateaus