A mineral’s tendency to break along planes of weakness is known as

• cleavage

• hardness

• fracture

• luster

Diamonds are MOST LIKELY used in industrial drill bits because of their

• high luster.

• resistance to abrasion.

• octahedral crystalline shape.

• tendency to break along preexisting weak zones.

The group of minerals ordered from softest to hardest is

• talc, quartz, diamond.

• quartz, talc, diamond.

• talc, diamond, quartz.

• diamond, talc, quartz.

Why are fossil fuels considered nonrenewable resources if they are still forming beneath the surface today?

• They are being formed as a type of methane which we cannot use.

• We are depleting the fossil fuels much faster than they can form.

• They are being formed too far beneath the surface of the ocean and cannot be reached.

• The fossil fuels are being broken down by a natural process faster than they can form.

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NGSS.MS-ESS3-4

Running a mineral across a porcelain plate to see the color it leaves behind on the plate may be described as testing for

• cleavage

• hardness

• luster

• streak

Solar energy is most prevalent in which state?

• Nevada

• Colorado

• California

• Washington

Which of the following is not a concern with wind energy?

• Reliability

• Employment opportunities

• Deforestation

• Noise pollution

Hydroelectric plants get their power from ______.

• potential energy of water

• kinetic energy of flowing water

• kinetic energy from a turbine

• mechanical energy from a turbine

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NGSS.MS-PS3-2

NGSS.MS-PS3-5

Which answer choice is not an example of a nonrenewable resource?

• natural gas

• coal

• oil

• water

Which property is not commonly used to identify minerals?

• luster

• texture

• hardness

• crystal form