Unit 4 Adv Energy Quiz

What kind of energy conversion occurs after a candle is lit?

• friction to electrical energy

• light energy to heat energy

• mass to kinetic energy

• chemical energy to light energy

Which of these statements about nonrenewable resources is true?

• They are inexpensive.

• They help keep the air clean.

• They can take millions of years to form

• hey are used because they are easily removed from the ground.

Which statement identifies an energy source as renewable?

• Oil, because it is found underground.

• Wind, because it is always available.

• Water, because it is becoming scarce.

• Coal, because it was formed from plants.

A city produces electricity from coal-powered energy plants. Some city leaders have decided to use solar-powered energy systems. These city leaders most likely want to

• provide better air quality for the people in the city by using a renewable source of energy.

• reduce the amount of electricity that is being used.

• increase the number of lights that are used each day.

• supply the area with a non-renewable source of energy

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Coal is formed from

• seas that have evaporated.

• natural gas subjected to heat.

• melted and cooled metamorphic rock.

• plant remains decomposed under pressure.

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A group of students built a ramp and rolled steel balls of different sizes down the ramp onto the floor. Then they measured how far each ball rolled from the bottom of the ramp. Which statement correctly explains the differences in the distances that the balls rolled

• Friction increased as mass increased.

• Velocity increased as mass increased.

• Acceleration increased as mass increased.

• Kinetic energy increased as mass increased.

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A camper decides to make hot chocolate by heating the water in a metal pot over the campfire. Which letter represents thermal energy transfer by way of convection?

• A

• B

• C

• D

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What causes your skin to feel warm when it is in the sun on a summer day

• Particles in the atmosphere reflect energy from the Sun downward.

• Hot particles from the Sun still carry some heat when they reach your skin.

• The solar wind carries heated air from the Sun’s atmosphere to Earth’s surface.

• The Sun radiates energy that passes through space and the atmosphere to your skin.

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Which point is identified at the point a liquid can change into a gas?

• freezing point

• melting point

• boiling point

• thermal point

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Which action will most reduce the use of nonrenewable energy resources in a school district?

• Installing low-flow faucets and toilets

• Recycling worksheets and other paper products

• Limiting the sweeping and mopping of classrooms to once a month

• Replacing current lighting with more efficient lighting

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