Rocks and Minerals Test

Name:

A mineral is

• found in the atmosphere.
• is created when rocks erode.
• a chemical compound or a combination of two or more substances.
• made up of tiny bits of mud, shells, and sand.

Rock that has been changed by heat, pressure, or both are called?

• Sedimentary rock
• Igneous rock
• Metamorphic rock
• Moon rock

Fold mountains are formed when

• when lava spills out onto Earth's surface and forms solid rock.
• Earth's plates push against one another, the crust crumbles, and gets pushed together.
• some large rocks are forced upwards and others are forced down.
• plates move apart.

The process by which rocks break down into smaller and smaller pieces without moving is called?

• Weathering
• Evaporation
• Erosion
• Rock Cycle

Which of the following below is a type of mineral that helps to keep our bones and teeth strong?

• Crystals
• Salt
• Coal
• Calcium

Rock that is made from small pieces of sand, shells, and mud or sediment is called?

• Igneous rock
• Sedimentary rock
• Metamorphic rock
• Lava rock

The hardest mineral on Earth that has a score of 10 and is used to drill into other rocks is called?

• Quartz
• Coal
• Copper
• Diamond

The process by which rock is exposed and worn away due to wind, water, or ice is called?

• Erosion
• Precipitation
• Mineralization
• Weathering

Rock that forms when magma cools and hardens is called?

• Sedimentary rock
• Igneous rock
• Metamorphic rock
• All of the above