Layers of the Earth

Front

What are tectonic plates primarily made of?

Back

Tectonic plates are made up of continental crust and oceanic crust.

Front

What is the theory that explains the movement of Earth's crust?

Back

The theory of plate tectonics states that pieces of Earth's crust are in constant, slow motion.

Front

Which layer of the Earth is composed primarily of liquid metal?

Back

The outer core is composed primarily of liquid metal.

Front

What is located in the center of the Earth?

Back

The core is located in the center of the Earth.

Front

Can convection currents occur in the ocean, atmosphere, and Earth's mantle?

Back

Yes, convection currents can happen in the ocean, atmosphere, and Earth's mantle.

Front

What is the solid outer layer of the Earth called?

Back

The solid outer layer of the Earth is called the lithosphere.

Front

What is the layer beneath the lithosphere?

Back

The layer beneath the lithosphere is called the asthenosphere.

Front

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

Back

The inner core is primarily composed of solid iron and nickel.

Front

What drives the movement of tectonic plates?

Back

The movement of tectonic plates is driven by convection currents in the mantle.

Front

What are the two types of crust on Earth?

Back

The two types of crust on Earth are continental crust and oceanic crust.