Topic 3B Quiz

Minerals are made of crystals. When these crystals are put under pressure, they break into pieces. What word describes when a mineral cleaves perfectly along three planes?

• Hardness

• Luster

• Cleavage

• Streak

What property of minerals describes the powder color left behind on a porcelain tile?

• Cleavage

• Streak

• Hardness

• Luster

Which property of matter describes a mineral's resistance to being scratched?

• Cleavage

• Streak

• Hardness

• Luster

Which of the following is not a property used to identify minerals?

• Luster

• Fossilization

• Cleavage

• Streak

Which property of a mineral would be best described using adjectives such as brilliant, waxy, or metallic?

• Streak color

• Cleavage

• Color

• Luster

Many people moved westward in American history to get rich quick by mining for gold. However, some miners soon discovered that many minerals resemble gold, but are not real gold. In fact, pyrite has often been called "fool's gold." The table lists several minerals that resemble gold.

Which test would determine if a miner's sample was real gold or fool's gold?

• Rub it across a streak plate

• Test the hardness

• Look at its color

• Test the mass of the mineral

Which statement is an example of erosion?

• Strong winds cause rocks to break down.

• Water in streams and rivers carry soil and rocks downhill.

• Plants roots grow into the tiny cracks in a rock and cause the rock to break down.

• Rocks break up when water freezes in cracks of the rocks.

Tags

NGSS.MS-ESS2-4

Weathered rock and soil are usually carried downhill as a result of which force?

• The force of magnetism

• The force of wind

• The force of Earth's rotation

• The force of gravity

Which change in the Earth’s surface is an example of weathering?

• A mountain range becomes worn down over time.

• A rockslide occurs on a steep mountain.

• Small pebbles are carried along by a river current.

• A sand dune grows larger from blowing sand.

Tags

NGSS.MS-ESS2-2

Erosion and physical weathering are different processes that involves some of the same agents such as wind, water, and ice. How is erosion different from weathering?

• Erosion speeds up weathering

• Erosion is faster than weathering

• Erosion breaks rocks and weathering moves rocks

• Erosion moves rocks and weathering breaks rocks