Layers of the Earth Test

Front

What is the inner core of the Earth?

Back

The inner core is the solid, innermost layer of the Earth, primarily composed of iron and nickel, and is extremely hot.

Front

What is magma?

Back

Magma is molten rock located beneath the Earth's surface. It becomes lava when it erupts onto the surface.

Front

What is the thickest type of crust?

Back

The continental crust is the thickest type of crust, found under landmasses.

Front

Which layer of the Earth is the hottest?

Back

The inner core is the hottest layer of the Earth.

Front

What is the mantle?

Back

The mantle is the layer of the Earth located between the crust and the outer core, composed of semi-solid rock that flows slowly.

Front

What is the outer core?

Back

The outer core is a liquid layer composed mainly of iron and nickel, located beneath the mantle and surrounding the inner core.

Front

What is the crust?

Back

The crust is the outermost layer of the Earth, consisting of solid rock and is where we live.

Front

What is the difference between oceanic and continental crust?

Back

Oceanic crust is thinner and denser than continental crust, which is thicker and less dense.

Front

What is the asthenosphere?

Back

The asthenosphere is a semi-fluid layer of the mantle that allows tectonic plates to move.

Front

What is a tectonic plate?

Back

Tectonic plates are large sections of the Earth's crust that move and interact with each other.