Intro to Energy

The largest source of greenhouse gas emissions from human activities in the United States is from ___________________for electricity, heat, and transportation.

• solar power

• hydropower

• burning fossil fuels

• nuclear power

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NGSS.MS-ESS2-6

____ is another word for thermal energy

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What is the definition of energy?

• The ability to do work or cause the temperature to decrease

• The ability to do work or cause the temperature to increase

• The ability to do work or to cause changes in matter

• The ability to do work or prevent changes in matter

What type of energy is stored in a compressed spring?

• kinetic energy

• potential energy

• thermal energy

• mechanical energy

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NGSS.MS-PS3-2

When a baseball player pulls his bat back before he swings, what type of energy is this?

• kinetic energy

• potential energy

• thermal energy

• mechanical energy

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NGSS.MS-PS3-2

When a baseball player hits a ball and it is flying through the air, what type of energy is this?

• potential energy

• kinetic energy

• thermal energy

• mechanical energy

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NGSS.MS-PS3-1

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Microwaves use what type of energy to heat your food?

• electrical energy

• electromagnetic energy

• chemical energy

• nuclear energy

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NGSS.MS-PS3-3

Newton's cradle is powered by energy ________

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What type of energy is produced when a drum is hit?

• electrical energy

• electromagnetic energy

• sound energy

• nuclear energy

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NGSS.MS-PS3-5

What is the energy transformation in a toaster?

• Chemical to Electrical

• Electrical to Thermal

• Mechanical to Electrical

• Thermal to Chemical

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NGSS.MS-PS3-4