Rocks and Soil Review

What is a rock?

• A pure and naturally occurring substance

• A solid made of one or more minerals

• A type of soil

• A liquid found underground

Tags

NGSS.MS-ESS2-1

Which of the following describes a mineral?

• A mixture of different rocks

• A pure and naturally occurring substance

• A type of soil with small grains

• A type of weathering

Tags

NGSS.MS-PS1-1

Which of the following is NOT a way to describe a rock?

• Hardness

• Luster

• Smell

• Texture

Which of the following can cause changes in rock over time?

• Water

• Wind

• Plants and animals

• All of the above

Tags

NGSS.MS-ESS2-2

How do we describe the texture of a rock?

• Its color

• The way it reflects light

• The size, shape, and arrangement of its grains or crystals

• How hard or soft it is

What does Mohs Scale measure?

• A rock’s color

• A rock’s ability to reflect light

• A mineral’s hardness

• A mineral’s weight

What is the hardest mineral on Mohs Scale?

• Talc

• Diamond

• Quartz

• Gold

What is the softest mineral on Mohs Hardness Scale?

• Quartz

• Talc

• Diamond

• Granite

Which statement about minerals is true?

• All minerals are man-made

• Minerals are made of only one substance

• Minerals are softer than all rocks

• Minerals can be broken into smaller minerals

What is luster?

• The way a rock feels

• The way a rock reflects light

• The size of a rock’s particles

• The hardness of a rock