Show:
3 Types of Rocks
Minerals
Properties
Vocabulary
Extra
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
100

The outer most layer of the Earth is called the ______?

crust

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
200

A natural process that breaks rocks into smaller pieces 

Weathering

300
Which rocks form in layers?
Sedimentary
300
Which mineral is the hardest?
Diamond
300
The way a rock reflects light is called ___________.
Luster
300
This rock's name means "from fire".
Igneous
300

True or False : Words like DULL and GLOSSY can be used to describe luster

True

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 rock with your fingernail can show the rock's ___________.
Hardness
400
The color of a mineral as a powder is called its ________?
Streak
400

This is the thinnest layer of the Earth.

Crust

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

What are the three types of Sedimentary Rock?

Sandstone, Limestone, and Mudstone
500
List the five properties of rocks 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
500

What are three types of Igneous Rocks

Pumice, Obsidian, and Basalt