Layers of Earth

Front

What is the thinnest layer of the Earth?

Back

The crust.

Front

What are the two types of crust?

Back

Oceanic crust and Continental crust.

Front

What is the hottest layer of the Earth?

Back

The inner core.

Front

What evidence supports the theory of continental drift?

Back

Fossils of the fern-like plant Glossopteris found on multiple continents.

Tags

NGSS.MS-ESS2-3

Front

What is the primary composition of the Earth's crust?

Back

The crust is primarily composed of rocks and minerals.

Front

What layer lies directly beneath the Earth's crust?

Back

The mantle.

Front

What is the difference between oceanic and continental crust?

Back

Oceanic crust is thinner and denser than continental crust.

Front

What is the state of matter of the outer core?

Back

The outer core is liquid.

Tags

NGSS.MS-PS1-4

Front

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

Back

The inner core is primarily composed of iron and nickel.

Front

How do tectonic plates move?

Back

Tectonic plates move due to convection currents in the mantle.

Tags

NGSS.MS-ESS2-3