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Science > Physiscs > Flashcards

Physiscs Flashcards

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1
Q

What energy store is found in hot objects

A

Thermal energy

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2
Q

What energy store is found in fast moving objects

A

Kinetic energy

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3
Q

What is the term used to describe energy transfers in a solid

A

Conduction

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4
Q

What is the term used to describe energy transfers in a liquid

A

Convection

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5
Q

What is the term used to describe energy transfers that require no particles

A

Radiation

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6
Q

3 states of matter?

A

Solid, Liquid, Gas

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7
Q

Solid to liquid is..

A

Melting

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8
Q

Liquid to solid is..

A

Freezing

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9
Q

Gas to liquid is..

A

Condensation

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10
Q

Liquid to gas is..

A

Boiling or Evaporation

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11
Q

What is a force?

A

A push or pull in a certain direction

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12
Q

Name the force that slows the decent of falling objects

A

Air resistance

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13
Q

Name a unit of speed

A

m/s, mph or km/h

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14
Q

What is the equation for calculating speed

A

Speed = Distance/Time

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15
Q

What does a flat line on a distance time graph mean

A

That the object is stationary

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16
Q

In a transverse wave, which direction to particles move in direction to the wave

A

They move perpendicular to the wave

17
Q

In a longitudinal wave, which direction to particles move in direction to the wave

A

They move parallel to the wave

18
Q

What is the reflection of sound waves called

A

Echo

19
Q

What term describes the change in direction of light as it enters a more/ less dense medium

A

Refraction

20
Q

What is the definition of frequency

A

The number of waves that pass a certain point per second

21
Q

How long does it take the earth to orbit the sun

A

365 days

22
Q

Why do we have day and night on Earth

A

The Earth’s rotation

23
Q

What do we call an object that orbits a planet

A

A satellite

24
Q

What units are used to measure distances in space

A

Light years

25
Q

What celestial object is the sun a type of

A

Star

26
Q

What does current measure

A

The flow of charge

27
Q

What does a voltmeter measure

A

Potential difference

28
Q

What is the units for current

A

Amps (A)

29
Q

What is the units for potential difference

A

Volts (V)

30
Q

What equipment is used to measure current

A

Ammeter

Science (4 decks)

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