Igneous and Sedimentary Rocks

What are rocks?

• Dwayne Johnson

• Have a fixed chemical composition

• A basic building block

• Naturally occurring aggregate of minerals

What are minerals?

• Water

• Do not have a fixed chemical composition

• The basic building block

• Naturally occurring aggregate of rocks

What is not one of the three main types of rocks?

• Igneous

• Metamorphic

• Sedimentary

• Classic

What cannot be a mineral?

• Liquid

• Inorganic

• Fixed chemical composition

• Fixed atomic structure

Moh developed a scale for what?

• Hardness

• Colour

• Transparency

• Fracture

Cleavage and Fracture are

• how the mineral surface looks when light reflects off the surface

• how a mineral breaks into pieces

• the ability to transmit light

• How easy or difficult it is to scratch the mineral

Lustre is

• how the mineral surface looks when light reflects off the surface

• how a mineral breaks into pieces

• the ability to transmit light

• How easy or difficult it is to scratch the mineral

Transparency is

• how the mineral surface looks when light reflects off the surface

• how a mineral breaks into pieces

• the ability to transmit light

• How easy or difficult it is to scratch the mineral

Hardness is

• how the mineral surface looks when light reflects off the surface

• how a mineral breaks into pieces

• the ability to transmit light

• How easy or difficult it is to scratch the mineral

Where are igneous rocks formed?

• From sediment being compressed

• From rocks that have been altered through heat and pressure

• From the molten rock of the mantle

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