The Earth and Atmosphere - Review

Since its origins, the planet Earth continues to change.

• True

• False

41% of the Earth's surface is covered by water.

• True

• False

The most abundant Element in Earth's surface is nitrogen.

• True

• False

Different chemical compounds that can be found in Earth's crust are called....

• Vitamins

• Soil

• Grains

• Minerals

Small crystals or grains of minerals can bond together to form ....................

• rocks

• water

• compounds

• soil

Type of rock formed by the solidification of magma.

• Metamorphic rocks

• Igneous rocks

• Sedimentary rocks

When fragments of rocks are carried by rivers and deposited somewhere, they may collect in layers to form .....

• Igneous rocks

• Sedimentary rocks

• Metamorphic rocks

Sedimentary rocks can be identified when.....

• have layers, fossils and are porous.

• have large crystals and are hard.

• have small crystals and look like black glass.

Rocks that are transformed by elevated temperature and pressure under the surface are called ...........

• Sedimentary rocks

• Igneous rocks

• Metamorphic rocks

The outer layer of the planet Earth.

• Crust

• Mantle

• Core