U3 REVIEW

Front

What are convection currents?

Back

Convection currents are movements of fluid (liquid or gas) caused by the uneven heating of the fluid, leading to the transfer of heat.

Front

In which layer of the Earth are convection currents found?

Back

Convection currents are found in the mantle.

Front

What is the outer core made of?

Back

The outer core is made of melted metal.

Front

How would you describe the state of the outer core?

Back

The outer core is in a liquid state.

Front

Which layer of the Earth is the easiest to drill through?

Back

The crust is the easiest layer to drill through.

Front

What is the inner core?

Back

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

Front

What is the difference between the inner core and outer core?

Back

The inner core is solid, while the outer core is liquid.

Front

What is the lithosphere?

Back

The lithosphere is the rigid outer layer of the Earth, consisting of the crust and the upper part of the mantle.

Front

What is the mesosphere?

Back

The mesosphere is the layer of the Earth's mantle located below the lithosphere, characterized by its solid but more ductile nature.

Front

What materials make up the mantle?

Back

The mantle is made up of solid rock that can flow slowly over time.