Physical Science Chapter 15 Vocabulary

When an object is raised to a higher level, its _______________ potential energy increases.

• gravitational

• Thermal

• Nuclear

The motion of microscopic particles in matter partly determines the amount of ______________________ within it.

• Thermal Energy

• Fossil Fuels

• Biomass

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NGSS.MS-PS1-4

As a pole-vaulter springs higher into the air, her kinetic energy decreases as her gravitational potential energy increases. This is an example of _____________________ .

• Energy conversion

• Kinetic energy

• Solar energy

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NGSS.MS-PS3-4

NGSS.MS-PS3-5

Atomic Fission and fusion produce ___________________ .

• thermal energy

• biomass energy

• nuclear energy

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NGSS.HS-PS1-8

When your muscles move, __________________ from the cereal yo ate for breakfast is converted into ________________ .

• Chemical energy, kinetic energy

• Thermal energy, fossil fuels

• Gravitational energy, solar energy

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NGSS.MS-LS1-7

NGSS.MS-PS3-5

The ______________ of a 100 kg boulder perched high on a cliff is greater than that of a 50 kg boulder at the same height.

• potential energy

• energy conservation

• fossil fuels

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You can recognize ______ by the changes it causes, such as motion and sound.

• energy

• chemical

• nuclear

Formed from the remains of once-living organisms, _________ are nonrenewable energy resources.

• fossil fuels

• energy conversion

• kinetic energy

Photovoltaic cells convert __________ into electrical energy.

• solar energy

• gravitational potential energy

• biomass energy

Methods of _________ include ways to reduce energy needs.

• energy conservation

• chemical energy

• thermal energy

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NGSS.MS-PS3-3