SQ8 Ch 10 - Energy Flashcards

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1
Q

What is the definition of Energy?

A

The ability to do work

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3
Q

What is Potential Energy?

A

Energy that can be converted to other forms of energy

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4
Q

What is Kinetic Energy?

A

Energy that is possessed by a moving object

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5
Q

What is Heat Energy?

A

Energy that causes object to gain temperature

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6
Q

What is Sound Energy?

A

Energy that travels through empty space

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7
Q

What is Gravitational Energy?

A

Potential Energy of an object elevated above the ground

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8
Q

What is Elastic Energy?

A

Energy stored by an object that is stretched

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9
Q

What is Chemical Energy?

A

Potential energy in chemicals that can react and release heat sound or light

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10
Q

What is Conduction?

A

A contact movement of heat

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11
Q

What is an Insulator?

A

Poor conductors of heat (glass, wood, rubber, plastic, etc.)

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12
Q

What is Convection?

A

Heat Energy that travels through liquids or gases.

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13
Q

Does heat Rise or Sink?

A

Rise

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14
Q

In the Convection process, when particles gain energy, they _____

A

Spread out

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15
Q

In the Convection process, when particles lose energy, they _____

A

Get closer together

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16
Q

What is Radiation?

A

Heat that does not need lots of particles in the air for it to move

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17
Q

What is the process called when heat travels through clear objects?

A

Transmission

18
Q

What is the process called when heat absorbs into dark objects?

A

Absorption

19
Q

What is the process called when heat bounces off shiny objects?

A

Reflection

20
Q

What does ‘Luminous’ mean?

A

Objects or substances that give off their own light

21
Q

What does ‘Non-Luminous’ mean?

A

Objects that can only be seen by light from luminous objects.

22
Q

What does ‘Bioluminescent’ mean?

A

Living things that give off light without heat

23
Q

What does ‘Incandescent’ mean?

A

A light source that gives off light because it is hot

24
Q

How is sound made?

A

With Vibrations

25
Q

Sound waves consist of…

A

Compressions (sound waves) and Rarefactions (the space between each sound wave)

26
Q

The faster an object vibrates, the _____ the pitch

A

Higher

27
Q

Can Sound Energy travel through empty space?

A

No. It can only travel through particles in the air.

28
Q

What is Electrical Energy?

A

Energy used to power homes and give electricity