Rocks and minerals

Minerals are _______________ substances that occur naturally on or under the Earth's surface

• Organic

• Inorganic

Hardness of a mineral is determined using the.......

• Mould Hardness Scale

• Mohs Hardness Scale

• More Hardness Scale

The different properties of minerals are...

• Colour, Hardness, Weight and Age

• Age, Volume, Density and Crystal Structure

• Crystal Structure, Colour, Hardness and Lustre

_____________ rock started as liquid rock deep inside the Earth's crust, where it is very hot

• Metamorphic

• Igneous

• Sedimentary

___________ rocks are eroded fragments of rocks, sand, shells and the remains of living things.

• Sedimentary

• Igneous

• Metamorphic

Sedimentary or igneous rock are transformed into _____________ rock by high pressure and heat.

• Igneous

• Metamorphic

• Sedimentary

The solid, outer layer of the Earth is called .......

• Lithosphere

• Hydrosphere

• Atmosphere

Are minerals essencial for life?

• Yes

• No

Paint is made using ______

• Graphite

• Talc

• Lithium

• Gypsum

Electric wires are made of _______

• Silver

• Cooper

• Gypsum

• Talc