Minerals 8th grade

Ore minerals can form in all of the following places EXCEPT

• at the surface of an area that was once covered by water

• at the bottom of a water body

• in fractures within rocks

• in a bed of hot, flowing lava

Which of the following statements about minerals is FALSE?

• Minerals have a crystalline structure.

• Humans can create minerals to suit specific needs.

• Minerals are inorganic materials.

• Minerals cannot be liquids or gases.

Open pits called _______ are used to mine stone and gravel.

• veins

• geodes

• deep mining

• quarries

a naturally occurring, non-living solid that has a specific chemical make-up and a crystal structure

• rock

• mineral

• stone

• mountain

Scientists use mineral ________________ to identify and classify minerals.

• pieces

• names

• properties

• structures

Which one is not a property used to identify minerals?

• streak

• luster

• hardness

• size

-The color of the powder left behind when you rub the mineral against a tile.

• streak

• color

• harness

• luster

• the way a mineral's surface reflects light.

• streak

• luster

• color

• hardness

• a mineral's ability to resist being scratched

• streak

• luster

• color

• hardness

-the name of the scale used to determine a mineral's hardness

• Miller's Hardness Scale

• The Scale of Hardness

• Mohs Hardness Scale

• Mineral Hardness Scale