Show:
3 Types of Rocks
Minerals
Properties
Vocabulary
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.
Properties
200
Which rock forms under water?
Sedimentary
200
What is the most common material found on earth?
Minerals
200

A rock that feels grainy is an example of which property?

Texture

200
Bits of rocky material that settle at the bottom of the ocean are called _________?
Sediments
300
Which rocks form in layers?
Sedimentary
300
Which mineral is the hardest?
Diamond
300

The way a mineral reflects light is called ___________.

Luster

300
This rock's name means "from fire".
Igneous
400
Which rock is formed when magma or lava cools and hardens?
Igneous
400
Tell one property used to classify minerals.
Color, streak, texture, hardness, luster
400

Scratching a mineral with your fingernail can show the rock's ___________.

Hardness

400
The color of a mineral as a powder is called its ________?
Streak
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 the five properties of minerals that we have learned in class.

Color, texture, luster, hardness, streak

500
This is the scale we use to determine the hardness of a rock.
Moh's Hardness Scale