Mineral properties and tests 6th grade

Which mineral property is being shown here?

• luster
• hardness
• cleavage
• streak

What property describes how light reflects off of a mineral?

• luster
• streak
• cleavage
• fracture

Tags

NGSS.MS-PS4-2

If a mineral is softer than Quartz, but harder than Apatite, which mineral is it?

• Talc
• Feldspar
• Diamond
• Topaz

Which of the following tests would be the least accurate in determining which type of minerals these are?

• density

• hardness
• color
• crystal structure

Tags

NGSS.MS-PS1-2

On the Mohs Hardness Scale, a mineral with a lower number on the scale can:

• Be used to cut glass.

• Scratch a mineral with a higher number on the scale.

• Resist being scratched by other material.

• Be scratched by a fingernail

Based on what you have learned, quartz, diamond, topaz and _______________ are all examples of minerals.

• Sand.

• Steel.

• Granite.

• Talc.

Tags

NGSS.5-PS1-3

This mineral is the hardest known substance to man; is used in cutting jewelry, and as a cutting instrument.

According to the table, which mineral is this?

• Diamond.

• Quartz.

• Pyrite.

• Talc.

Tags

NGSS.5-PS1-3

Students have a rock sample that may contain the mineral hematite. They know that hematite has a red or rusty streak. How can the students determine the color of the streak in the rock sample?

• Use a rock with the known mineral to strike, or hit the sample.

• Rub the sample on a piece of clay tile.

• Use a file to break off a piece of the sample.

• Scratch the sample with an iron nail.

Tags

NGSS.MS-PS1-2

What can you infer about graphite from the fact that you can scratch it with just your fingernail?

• It's not very lustrous.

• It's not very hard.

• It's streak is black - colored.

• It has fracture.

Tags

NGSS.MS-PS1-2

One of the tests used to identify an unknown mineral is the luster test. What does the luster test identify?

• Size.

• Shape.

• Ability to float.

• Ability to reflect light.