Rocks and Minerals

Griffin mixed a mystery powder in water and the powder seemed to disappear. What happened to the powder?

• The powder dissolved.

• The powder evaporated.

• The powder turned yellow.

• The powder made bubbles.

Tags

NGSS.MS-PS1-2

Which OBSERVABLE and PHYSICAL property do geologists use to begin identifying minerals?

• sound

• length

• color

• size

Why might reusable utensils, such as spoons, forks, and knives, be made of metal rather than plastic?

• Metal is prettier than plastic.

• Metal is newer than plastic.

• Metal is harder and stronger than plastic.

• Metal utensils are always bigger than plastic utensils.

Tags

NGSS.MS-PS1-3

A geologist is a scientist who studies Earth materials. A geologist wants to test the STREAK of a mineral. What should she do?

• Rub the mineral sample across a ceramic plate.

• View the mineral sample under bright lights.

• Place salt on top of the mineral sample.

• Use fire to melt the mineral sample.

Which testable property is the best way to identify a mineral?

• size

• shape

• hardness

• mass

Which of the following tests can be used to help a geologist describe the CLEAVAGE of a mineral sample?

• Observing how shiny the mineral sample is

• Trying to scratch the mineral sample with your fingernail.

• Rubbing the mineral sample across a ceramic plate.

• Trying to break the mineral sample along different directions.

Elizabeth describes a mineral sample as metallic and shiny. Which observable property is Elizabeth describing?

• Streak

• color

• Hardness

• luster

If Feldspar is 6 on the scale, which common object would scratch it?

• A fingernail and penny

• A steel file and ceramic streak plate

• An iron nail and glass

• None of the common objects

How are rocks classified?

• luster and cleavage

• smell and taste

• hardness and streak

• how they are formed and the processes that create them

Which statement below best describes how sedimentary rocks are formed?

• Deposited rock particles, or sediment, are compacted over time.

• Molten rock and lava cool under the ground

• Rocks are transformed by the application of heat and pressure over long periods of time.

• none of these choices.