Rocks and Minerals Review

What type of rock does magma form as it cools?

• igneous

• sedimentary

• metamorphic

Tara found a rock. She notices that she can rub off tiny grains of sand. The whole rock is made of sand. She thinks it is sandstone. How is this rock formed?

• sand grains were under pressure of the atmosphere and pressed together

• sand grains were brought together by molten lava reaching the surface

• sand grains were carried by wind and then cemented together

• sand grains were buried deep in Earth's crust and were heated.

In which location would you most likely find an igneous rock?

• in a deep cavern

• near a volcano

• on a sandy beach

• near the mouth of a river

Which of the following best explains the forces that cause a rock to change into a metamorphic rock?

• heat in the layers below the rock

• pressure in the layers above the rock

• pressure from above the rock layers above and heat from the magma

What are the crystals in a piece of granite?

• minerals

• sediment

• fossils

• metal

Tags

NGSS.MS-ESS3-1

NGSS.MS-PS1-1

If quartz cannot be scratched by a fingernail, copper penny, or a steel file what does that most likely mean?

• It is a soft mineral

• It is a hard mineral

Which of the following statements describes a mineral's luster?

• The mineral's sides are smooth

• The mineral's streak is clear

• The mineral's surface reflects the light

• The mineral's color is grey

Some minerals are harder than other minerals. Which statement best describes a mineral that is harder than the surface it scratches?

• Talc breaks into pieces when it is rubbed on the sidewalk

• Calcite scrapes quartz and does not leave a mark

• Feldspar leaves a shallow groove in calcite

• Graphite is used to write on paper

If Fred was testing the physical properties of a mineral, what property would he be testing if he used a hammer?

• color

• luster

• streak

• cleavage

A geologist finds a mineral that leaves a black mark on a white tile, dull, and breaks with jagged edges. Which three properties is he describing?

• streak, luster, fracture

• color, texture, cleavage

• streak, color, cleavage