Mohs Hardness Scale

What is the Mohs scale of hardness?

• A scale used to measure the softness of minerals.

• A scale used to measure the hardness of minerals.

• A scale used to measure the color of minerals.

• A scale used to measure the weight of minerals.

Tags

NGSS.MS-PS1-1

Who developed the Mohs scale of hardness?

• Marie Curie

• Albert Einstein

• Friedrich Mohs

• Isaac Newton

How many minerals are included in the Mohs scale of hardness?

• 10

• 5

• 7

• 12

Which mineral has the lowest hardness on the Mohs scale?

• talc

• gypsum

• diamond

• quartz

Which mineral has the highest hardness on the Mohs scale?

• talc

• diamond

• quartz

• calcite

What is the hardness of quartz on the Mohs scale?

• 7

• 3

• 5

• 9

What is the hardness of topaz on the Mohs scale?

• 5

• 8

• 6

• 7

What is the hardness of diamond on the Mohs scale?

• 9

• 7

• 5

• 10

What is the hardness of talc on the Mohs scale?

• 1

• 4

• 3

• 2

What is the hardness of topaz on the Mohs scale?

• 5

• 8

• 6

• 7