3 Types of Rocks
Soil
Properties
Vocabulary
Rocks
100
Which rocks are formed from heat and pressure?
Metamorphic
100

What are some examples of organic matter found in soil?

-dead leaves, bones, sticks, dead animals

100
Johnny sorted his rocks into a group of gray rocks, black rocks and white rocks. Which property did he look at?
Color
100

The name for scientists who study rocks.

Geologist

100
What are the 3 types of rocks?
Igneous, sedimentary, metamorphic
200
Which rock forms under water?
Sedimentary
200

Soil that has lots of organic matter is what colour?

Dark black or brown.

200
A rock that feels grainy is an example of which property?
Texture
200

What does the term "weathering" mean?

Breaking down of rocks.

200

List 3 ways that rocks can be broken down into smaller pieces.

Wind, water, ice, humans

300
Which rocks form in layers?
Sedimentary
300

List four things that can be found in soil.

Water, organic matter, air, rocks and minerals.
300
The way a rock reflects light is called ___________.
Luster
300
This rock's name means "from fire".
Igneous
300

If you can scratch a rock with a ________ it is soft.

Finger nail

400
Which rock is formed from magma or lava?
Igneous
400
Name a decomposer found in healthy soil.

Worm.

400
Scratching a rock with your fingernail can show the rock's ___________.
Hardness
400

What is the thickest layer of the earth called?

Mantle

400

What is the hardest mineral?

Diamond

500
Which rock is formed from fossils or plant and animal remains?
Sedimentary
500

True or False: Soil is the same in all parts of the world.

False!

500

List the four properties of rocks that we have learned in class.

Color, texture, luster, hardness

500

What is the thinnest layer of the earth called?

The crust

500

Explain how we use rocks and minerals every day.

-countertops, building materials, jewelry, decoration