Types of rocks - Week 2

Which parts of the Earth make up the lithosphere?

• The liquid mantle

• The core

• The upper mantle

• The crust

• The lower mantle

Which three of the following are ways in which rocks can be formed in the Earth's lithosphere?

• Cooling of lava.

• Layering of sediment of weathered rocks and the remains of living things.

• Melting of lava

• Chemical reaction between weathered rocks and the remains of living things.

• High temperature and pressure being applied to existing rocks.

True OR False?

A mineral is a combination of naturally occurring solid substances with a varying chemical composition.

• True

• False

Tags

NGSS.MS-PS1-1

What is a native element?

• An element that exists in nature.

• An element found naturally in its uncombined form.

• An element found in magma.

• An element found naturally in its combined form.

Tags

NGSS.MS-PS1-1

Which TWO of the following are examples of native elements?

• Crystals

• Quartz

• Diamonds

• Scoria

• Gold

Which three of the following minerals are present in granite?

• Quartz

• Topaz

• Mica

• Gypsum

• Feldspar

Give FIVE properties that you could observe to help identify an unknown mineral.

Evaluate responses using AI:

OFF

What is the approximate hardness on Moh's scale (to nearest whole number) of a mineral that can be scratched by sandpaper but NOT by an iron nail?

• 2

• 3

• 6

• 8

• 10

Explain the difference between a rock and a mineral.

Evaluate responses using AI:

OFF

Is table salt a mineral? Think carefully about your answer and suggest reasons for and against classifying it as a mineral.

Evaluate responses using AI:

OFF

Tags

NGSS.MS-PS1-1