Classifying Rocks

How many minerals make up most of the rocks on Earth?

• 100

• 20

• 1

• 50

How does granite look?

• dark-colored with LOW silica

• dark-colored with HIGH silica

• light-colored with LOW silica

• light-colored with HIGH silica

Which kind of rock forms under heat and pressure?

• Igneous

• Metamorphic

• Inorganic

• Sedimentary

Which term describes how a rock's surface looks and feels?

• Density

• Streak

• Texture

• Fracture

What is NOT used to categorize rocks?

• Color

• Size

• Texture

• Chemical Composition

What do geologists study?

• Planets

• Rocks

• Animals

• Societies

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

What is NOT a type of rock?

• Igneous

• Metamorphic

• Stone

• Sedimentary

What does a rock's pigment give it?

• Texture

• Color

• Chemical composition

• Grains

What type of grains does granite have?

• Large

• Small

• Cool

• Purple

What characteristic do BANDED rocks have?

• Large grains

• Sandy texture

• Layers

• Large clumps of minerals