Rocks
Minerals
Properties of Minerals
How We Use Minerals
Crystal Shapes
100

What are rocks most rocks made of?

One or more minals

100

What is an example of a mineral

iron, copper, silicon, halite ...

100

What is a property?

A defining characteristic

100

Which mineral is in pencils?

graphite

100

Name 2 crystal shapes.

cubic

hexagonal

tetragonal

orthorhombic

monoclinic

triclinic


200

How are igneous rocks formed?

Cooling magma or lava

200

What does natural mean?

Not made by people

200

Name 3 properties of minerals.

colour

streak

hardness

luster

transparency 

200

What is an important mineral for making glass?

quartz
200

What is an example of a mineral with a cubic crystal shape?

halite (rock salt)

300

How are sedimentary rocks formed?

Rock formed by layers of particles (sediment) compressed and cemented together.

300

What does inorganic mean?

Not from living things

300

What is metallic luster?

Something that reflects light like metal.


300

Which mineral is used for plaster in walls?

gypsum

300

What is an example of a mineral with a hexagonal crystal shape?

Quartz

400

metamorphic rock

Rock that has been changed by heat and pressure

400

What is a crystalline structure?

Particle arranged in a repeating pattern

400

What is mineral streak?

The colour of a minerals powder.

Usually when rubbed on a tile.

400

Name two minerals we need in our bodies?

calcium

iron

potassium

400

What does a tetragonal crystal look like?

A cube stretched taller in one direction

500

What is an example of a rock that was made from plants that lived millions of years ago?

coal

500

What is a fixed chemical formula?

The same type of particles all the time

500

What is mineral cleavage?

When a mineral breaks smoothly along flat surfaces.

500

Which mineral is used to make computer chips?

Silicon

500

What can you do if you know the six basic crystal shapes and other properties of minerals?

Identify a sample of a mineral

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