Rock Properties

how hard a rock feels to the touch

• hardness

• luster

• texture

• mohs scale

The Moh's scale tests for

• Luster

• Color

• Hardness

• Streak

A very light rock that floats in the water is called

• Feldspar

• Pumice

• Quartz

• Limestone

A type of rock that is formed from a volcano is

• Sedimentary

• Metamorphic

• Igneous

• A Fossil

The Luster of a mineral refers to

• the color of a rock

• the glassy or dull appearance of a rock

• the streak color

• the hardness of a rock

Metamorphic rocks are formed by

• Wind and Sand

• Extreme Heat and Pressure

• Erosion

• Water

Jorge is testing a mineral by seeing whether it can be scratched by a penny. What property of the mineral is Jorge testing?

• Luster

• Hardness

• Streak

• Color

Jackie noticed that one of the minerals below is metallic and shiny, and the other is glassy but not shiny.

What property of the minerals is Jackie observing?

• Hardness

• Luster

• Streak

• Color

Which of the following tests could a student do to find out whether a mineral has the property of cleavage?

• Look at how shiny the mineral is.

• Try to scratch the mineral with a fingernail.

• Rub the mineral on a white ceramic plate.

• Try to break the mineral along different directions.

_____ is the color of the powder left when a mineral is rubbed on a white tile.

• Streak

• Luster

• Color

• Hardness