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Science > Energy > Flashcards

Energy Flashcards

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Biology 101 flashcards
1
Q

Potential

A

Energy that has the potential to do work and so the energy is stored

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2
Q

Kinetic

A

Energy due to the motion of an object

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3
Q

Sound

A

Energy carried by the air in a room

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4
Q

Light

A

Energy that may be released

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5
Q

Heat

A

Energy that causes objects to gain temperature

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6
Q

Electrical

A

Energy supplied to homes by power lines

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7
Q

Nuclear

A

Energy stored in the nucleus of atoms that can release energy slowly

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8
Q

Chemical

A

Energy stored in chemicals that, when reacted together such as in burning reactions, release heat, sound or light

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9
Q

Elastic

A

Energy stored by an elastic object that is stretched

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10
Q

Gravitational

A

Potential energy of an object elevated above the

ground

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11
Q

Conduction

A

Transfer of heat through collisions between particles

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12
Q

Insulators

A

A material that is a poor conductor of heat

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13
Q

Convection

A

Transfer of heat through the flow of particles

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14
Q

Radiation

A

A method of heat transfer that does not require particles to transfer heat from one place to another

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15
Q

Mechanical

A

Made, performed, or operated

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16
Q

Thermal

A

It is the internal energy of an object due to the kinetic energy

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17
Q

Movement

A

The act or process of moving people or things from one place or position to another.

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18
Q

Rotational

A

The action or process of rotating on or as if on an axis or center

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19
Q

Law Of Convention

A

States that the total amount of energy remains constant in an isolated system

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20
Q

Efficiency

A

The state or quality of being efficient

21
Q

Density

A

Density is a measure of mass per unit of volume

22
Q

Reflected

A

Bounced off

23
Q

Transmitted

A

Passed through something, such as light or sound passing through air

24
Q

Absorbed

A

Taken in

25
Q

Deciduous

A

Describes plants that lose their leaves during autumn and winter

26
Q

Luminous

A

Releasing its own light

27
Q

Incandescent

A

Describes objects that emit light when they are hot

28
Q

Bioluminescent

A

Describes living things that release light energy

29
Q

Non-luminous

A

Describes objects that do not emit their own light, but can be seen by reflected light

30
Q

Scattered

A

Describes light sent in many directions by small particles within a substance

31
Q

Visible spectrum

A

Different colours that combine to make up white light; they are separated in rainbows

32
Q

Dispersion

A

Separation of the colours that make up white light. Each colour is bent differently when it enters or leaves a glass prism.

33
Q

Electromagnetic radiation

A

The radiant energy such as radio waves, infrared, visible light, X-rays and gamma rays released by magnetic or electric fields

34
Q

Electromagnetic spectrum

A

Complete range of wavelengths of energy radiated as electric and magnetic fields

35
Q

Radio waves

A

Low energy electromagnetic waves with a much lower frequency and longer wavelength than visible light

36
Q

Infra-red radiation

A

Low energy electromagnetic waves with a much lower frequency and longer wavelength than visible light

37
Q

Ultraviolet radiation

A

Invisible radiation similar to light but with a slightly higher frequency and more energy

38
Q

X-rays

A

High energy electromagnetic waves that can be transmitted through solids and provide information about their structure

39
Q

Gamma rays

A

High energy electromagnetic radiation produced during nuclear reaction

40
Q

Vibrations

A

Repeated fast, back-and-forth movements

41
Q

Compression

A

The process of pushing a material into itself

42
Q

Rarefactions

A

In sound waves, the layers of air particles that are spread apart

43
Q

Sound waves

A

Vibrations of particles in the air

44
Q

Frequency

A

Number of vibrations in one second, or the number of wavelengths passing in one second

45
Q

Hertz

A

Unit of frequency Hz

46
Q

Pitch

A

The highness or lowness of a sound. The pitch that you hear depends on the frequency of the vibrating air.

47
Q

Wavelength

A

Distance between two neighboring crests or troughs of a wave

48
Q

Amplitude

A

Maximum distance that a particle moves away from its undisturbed position

49
Q

Reverberation

A

Longer-lasting sound caused by repeated reflection from hard surfaces

Science (9 decks)

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