Minerals

Which samples are most likely to be the same mineral?

• 1 and 2 only

• 1 and 3 only

• 2 and 3 only

• 1, 2, and 3

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

Daisy has a galena. She describes it as cubic, gray, metallic, and opaque. Which term describes galena's luster?

• cubic

• gray

• metallic

• opaque

Mickey has 2 different pieces of quartz. One is pink and one is blue. Which property is the least likely to be the same for the 2 samples?

• cleavage

• color

• hardness

• streak

If Minnie runs 2 minerals along a streak plate, what should she observe to compare the minerals?

• whether the powder is dull or shiny

• whether the rock scratched the plate

• the color of the line on the plate

• the shape of the powder crystals

What property are you measuring when you rub a mineral across a white tile?

• cleavage

• color

• luster

• streak

A material is only a mineral when it satisfies certain requirements. Which is NOT a requirement for a material to be considered a mineral?

• crystalline form

• definite chemical composition

• solid

• formed in a laboratory

Why should you test several properties when identifying minerals?

• increases hardness

• eliminates human error

• only 1 test is necessary

• 2 different minerals can share more than property

Minerals are made up of one or more ____________________.

• structures

• elements

• rocks

Minerals can form from

• molten material

• hot solutions

• cold solutions

• all of the above

Which of the following is NOT one of the 5 characteristics of minerals?

• Naturally Occurring
• Organic Processes 
• Definite Chemical Composition
• Solid