Front

It is made of iron and nickel.

Back

The core is at the center of the Earth.

Front

These plates float on the mantle.

Back

Tectonic plates are large pieces of the Earth's crust and upper mantle.

Front

The edges of tectonic plates are shown with red arrows on maps. These arrows show...

Back

the directions the plates are moving.

Front

Most tectonic plates move very slowly.

Back

They move a few centimeters a year.

Front

These minerals make up rocks.

Back

Elements like silicon and oxygen form minerals.

Front

It forms the mineral quartz.

Back

Silicon dioxide is a compound.

Front

It includes minerals like quartz.

Back

Granite is a rock made of minerals.

Front

It is mostly solid but can flow.

Back

The mantle is below the crust.

Front

It is made of iron and nickel.

Back

The core is the hottest part of the Earth.

Front

Limestone, chalk, sandstone

Back

Examples of sedimentary rocks