23-24 Minerals and Rocks

When a mineral breaks along rough, jagged surfaces it's called

• fracture

• cleavage

• hardness

• streak

The measure of how easily a mineral can be scratched.

• streak

• color

• luster

• hardness

A mineral must by formed by ___________.

• processes that occur in the natural world
• processes that occur in the human world

Tags

NGSS.MS-ESS3-1

A mineral must be a___________.

• solid
• liquid
• gas

A mineral must be ___________.

• organic
• inorganic

A crystalline structure means

• disorderly internal structure

• atoms or ions are arranged in an orderly repetitive manner

In class you learned that there are five criteria that make a mineral, a mineral. Based on what you learned, what are the five criteria?

• Solid, Naturally Occurring, Inorganic, Fixed Chemical Formula, and Crystal Structure.

• Fixed Chemical Formula, Organic, Living, Bright Color, and Crystal Structure.

• Inorganic, Naturally Occurring, Plastic, Solid, and Fixed Chemical Formula.

• Organic, Naturally Occurring, Crystal Structure, Solid, and Liquid.

Coal is NOT a mineral because

• It is not solid.

• It is not naturally occurring.

• It is organic.

• It is inorganic.

Read the description below. Which detail(s) show that Sulfur is a mineral?

At room temperature Sulfur is a yellow crystalline solid. It's has a chemical formula of S₈ and is found near volcanic vents.

HINT: There may be more than one answer!

• It is yellow.

• It is a solid.

• It can be defined by a chemical formula.

• All of the above.

Tags

NGSS.MS-PS1-1

Plastic is a clear substance that is a solid. Plastic has a fixed chemical formula and is a man - made product.

Is plastic a mineral or not?

Please select two answers.

• Yes, plastic is a mineral because it is formed from a man - made substance.

• No, plastic is not a mineral because it is not naturally occurring in the environment.

• Yes, plastic is a mineral because it is a solid substance that has a fixed chemical formula.

• No, plastic is not a mineral because it does not have a crystal structure.

Tags

NGSS.MS-PS1-3