Planet Earth - Minerals Vocabulary (topic 1)

What’s the definition of rock?

• Mixed elements/minerals

• Either an element or a compound.

• The building blocks of minerals

• The “Shininess” of minerals

Tags

NGSS.MS-ESS1-4

What’s the definition of a mineral?

• Mixed elements/minerals

• Either a element or a compound

• A pure substance that consists of atoms

• A mix of two or more elements

Tags

NGSS.MS-PS1-1

A ______ is a pure substance that consists of only atoms.

True or false?

A compound is a mix of 2 or more elements.

• True

• False

Crystals are…

• A pure substance that consists of only atoms.

• A mix of 2 or more elements.

• The building blocks of minerals.

• The resistance of a mineral to scratching.

Tags

NGSS.MS-PS1-1

The definition of hardness in minerals is…

• The resistance of a mineral to scratching.

• A scale that tests the hardness of a number of minerals by scratching them.

• The “Shininess” of a mineral.

• A property produced by the reflection of light.

• Mixed minerals/elements that create a solid substance.

The Mohs Hardness Scale is a scale that…

• Tests the hardness of a number of materials by scratching them.

• The resistance of a mineral to scratching.

• Tests the building blocks of minerals.

• Tests how shiny the mineral is.

The shininess of a mineral is…

• Lustre

• Hardness

• Shine

• Colour

When minerals break along smooth, flat surfaces it's called...

• Hardness

• Cleavage

• Fracture

• Talc

• Moh's Hardness Scale