Rocks Week 6 Review Quiz

Which country would you need to visit to see Table Mountain?

• Australia

• United States of America

• South Africa

• Argentina

Rocks are made up of substances called:

• magma

• lava

• grains

• minerals

True or false? Some of the ingredients in toothpaste come from rocks.

• True

• False

What are the four layers of the earth called?

• lithosphere, mantle, outer core, inner core

• crust, lithosphere, outer core, inner core

• crust, mantle, outer core, inner core

• lithosphere, asthenoshpere, outer core, inner core

The term used to describe the way a mineral reflects light is known as...

• lustre

• streak

• hardness

• Moh's scale of hardness

Rocks that form from the cooling of magma below the Earth’s crust or lava are called

• igneous rocks

• extrusive rocks

Igneous rocks that form from red-hot lava above the Earth’s surface are called

• igneous rocks

• extrusive rocks

The word igneous comes from the Latin word ignis, meaning

• sun

• water

• fire

• wind

The rocks formed from lava that cools more slowly have

• smaller crystals

• larger crystals

• no crystals

Some violent volcanic eruptions shoot out lava filled with gases. The lava cools quickly, while it is still in the air, and traps the gases inside. Rocks that form this way are full of holes. Two examples of this type of rock are

• scoria

• sandstone

• pumice

• marble