7.3-Rocks - 1

What are rocks primarily made up of?

• Elements

• Atoms

• Minerals

• Particles

Who are the scientists that study Earth?

• Chemists

• Biologists

• Geologists

• Meteorologists

Approximately how many minerals make up most of the rocks on Earth's crust?

• 5

• 10

• 20

• 50

What characteristic of a rock provides clues to its mineral composition?

• Weight

• Size

• Color

• Shape

What type of rock is light-colored, rich in silicon, and oxygen?

• Basalt

• Granite

• Slate

• Marble

Rocks with grains that are large and easy to see are called:

• Porous rocks

• Fine-grained rocks

• Dense rocks

• Coarse-grained rocks

Rocks with grains that are small and difficult to see are called:

• Porous rocks

• Fine-grained rocks

• Dense rocks

• Coarse-grained rocks

What are the three major groups of rocks?

• Volcanic rocks, chalk rocks, Granite rocks

• Basaltic rocks, Granite rocks, chalk rocks

• Igneous rocks, sedimentary rocks, metamorphic rocks

• Granite rocks, chalk rocks, gold rocks