Minerals rocks mineral resources

Why is color not a good property to use to identify a mineral?. What are three testers that can be used to determine a mineral’s hardness?. What type of rock is formed when magma cools a

What are rocks

made of?

Minerals are

not made by

people; they

are …

…naturally occurring substances.

Name four properties (or clues) that scientists use

to identify minerals.

Color, luster, streak, and hardness

Which property means

the way the light bounces off the mineral?

What words can be used to describe a

mineral’s luster?

Glassy, dull,

shiny, greasy

Why is color not a good property to use to identify a mineral?

Many minerals have the same color.

slate limestone

What are three testers that can be used to determine a mineral’s hardness?

fingernail, penny, nail

What type of rock is formed

when magma cools and hardens?

What type of rock is formed

when change occurs from heat and pressure in the Earth?

What type of rock is formed when weathering and erosion cause

sediments to press together in

layers?

Melted rock below the Earth’s surface

is called…

Small bits and pieces

of rocks are called…

The breaking down and wearing away of rocks is called…

The movement of

sediments from one place

to another is called…

What is any trace,

mark, or remains of

an organism called?

How old must a fossil be?

10,000 years

Now that’s old!!

What kind of rock are fossils usually preserved in?

Why do

scientists

study fossils?

They study them to

learn about extinct

plants and animals.