Energy Transformation Review

The visible glowing of the burner shows that the energy in the burner is transforming from —

• thermal energy to mechanical energy.

• chemical energy to mechanical energy.

• electrical energy to light energy.

• light energy to electrical energy.

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What energy transformation occurs when a car uses gas to move?

• thermal to electrical

• mechanical to chemical

• chemical to electrical

• chemical to mechanical

Unlike an ordinary piece of metal, working solar panels remain cool in strong sunlight. This suggests that the energy from sunlight hitting the panels is —

• not being converted into thermal energy.

• being converted into thermal energy.

• being converted into mechanical energy

• not being converted into chemical energy.

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A nuclear power plant transforms what kind of energy

• Thermal to Electrical

• Nuclear to Electrical

• Electrical to Nuclear

• Nuclear to Chemical

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Select all of the following types of energy from "speaking into a microphone"

• Electric

• Thermal

• Sound

• Mechanical

• Light

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What kind of energy is food?

• thermal

• mechanical

• chemical

• nuclear

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What does the law of conservation of mass state?

• Energy can be destroyed and transformed

• that energy cant be created or destroyed - only converted from one form of energy to another.

• We need Energy to live

• Conserving energy is good for the environment

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Describe the energy transformations that occur in newton’s cradle pictured below:

• Some energy is created

• Some of the energy cannot be accounted for (disappears)

• Some energy is destroyed

• The total amount of energy remains the same through transformations

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At which point of the ride is the potential energy the greatest?

• position N

• position Q

• position R

• position S

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As the object moves from point A to point D, all (100%)of its gravitational potential and kinetic energies__________.

• is destroyed

• increases and then disappear

• stays the same

• is created

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