3 Types of Rocks
Minerals
Properties
Vocabulary
BONUS!
100
Which rocks are formed from heat and pressure?
Metamorphic
100
These are the building blocks of rocks.
Minerals
100
Johnny sorted his rocks into a group of gray rocks, black rocks and white rocks. Which property did he look at?
Color
100

Scientists use _____________ to classify rocks and minerals.

Properties

100

What is a person who studies rocks and minerals called?

Geologist

200

Which rocks are formed from compacting and cementing?

Sedimentary

200
What is the most common material found on earth?
Minerals
200

A rock that breaks into clean lines is an example of which property?

Cleavage

200

Bits of rocky material that have been worn down due to weathering and erosion are called?

Sediments

200

What is the process of rocks changing over time called?

The Rock Cycle

300
Which rock is formed when magma or lava cools and hardens?
Igneous
300
Tell one property used to classify minerals.
Color, streak, texture, hardness, luster
300
Scratching a rock with your fingernail can show the rock's ___________.
Hardness
300
The color of a mineral as a powder is called its ________?
Streak
300

What type of rock often has air bubbles?

Igneous Rocks

400
Which rocks form in layers?
Sedimentary
400
Which mineral is the hardest?
Diamond
400
The way a rock reflects light is called ___________.
Luster
400

This is the scale used to determine a rocks resistance to scratching.

Hardness Scale (Moh's Hardness Scale)

400

What is melted rock inside the earth called?

Magma

500
Which rock is formed from fossils or plant and animal remains?
Sedimentary
500
True/False: Minerals are not found in rocks.
False!
500

List five properties of rocks and minerals that we have learned in class.

Color, texture, luster, hardness, streak, cleavage, florescence, specific gravity

500

This rock's name means "from fire".

Igneous

500

What is the softest mineral?

Talc