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Science > Physics > Flashcards

Physics Flashcards

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1
Q

Speed

A

the rate at which someone or something moves or operates or is able to move or operate.

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2
Q

Distance

A

the length of the space between two points.

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3
Q

Time

A

the indefinite continued progress of existence and events in the past, present, and future regarded as a whole

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4
Q

Distance time graph

A

Graph drawn using time on x and distance on y

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5
Q

Magnet

A

A piece of metal that attracts other materials

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6
Q

Magnetic material

A

Materials that are attracted to magnets eg. Iron, cobalt,nickel

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7
Q

Alloy

A

A mixture of two metals. Steel contains iron and cobalt

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8
Q

Poles

A

Magnetic force of attraction is strongest at both ends of the magnet. North and South Pole. Like poles repel each other, unlike poles attract each other.

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9
Q

Current

A

The rate of flow of charge per second

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10
Q

Ammeter

A

This measures current in a circuit

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11
Q

Potential difference

A

Is called voltage

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12
Q

Voltage

A

The si unit for voltage is volts

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13
Q

Resistance

A

a measure of how difficult it is for an electric current to pass through a substance.Unit is the Ohm. Measured using an ohmmeter.

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14
Q

Circuit diagram

A

A drawing using symbols to represent how a circuit is set up.

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15
Q

Current electricity

A

A steady flow of charge through wires and circuits.

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16
Q

Conductors

A

allow charged particles to move freely e.g. metal.

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17
Q

Scalar

A

A measurement that has size (magnitude) only. They do not have direction

18
Q

Vector

A

A quantity that has magnitude and direction associated with them. e.g. displacement, velocity.

19
Q

Displacement

A

is the distance an object travels in a certain direction. E.g. 50 metres North.

20
Q

Velocity

A

: is the speed of an object in a given direction. E.g. 10 m/s south.

21
Q

Negative

A

Something gaining electrons when charged.

22
Q

Positive

A

something losing electrons when charged.

23
Q

Components

A

the objects in an electrical circuit e.g. bulb, speaker.

24
Q

Magnet

A

A piece of metal that attracts other materials

25
Q

Magnetic material

A

Materials that are attracted to magnets eg. Iron, cobalt,nickel

26
Q

Alloy

A

A mixture of two metals. Steel contains iron and cobalt

27
Q

Poles

A

Magnetic force of attraction is strongest at both ends of the magnet. North and South Pole. Like poles repel each other, unlike poles attract each other.

28
Q

Current

A

The rate of flow of charge per second

29
Q

Ammeter

A

This measures current in a circuit

30
Q

Potential difference

A

Is called voltage

31
Q

Voltage

A

The si unit for voltage is volts

32
Q

Resistance

A

a measure of how difficult it is for an electric current to pass through a substance.Unit is the Ohm. Measured using an ohmmeter.

33
Q

Circuit diagram

A

A drawing using symbols to represent how a circuit is set up.

34
Q

Current electricity

A

A steady flow of charge through wires and circuits.

35
Q

Conductors

A

allow charged particles to move freely e.g. metal.

36
Q

Scalar

A

A measurement that has size (magnitude) only. They do not have direction

37
Q

Vector

A

A quantity that has magnitude and direction associated with them. e.g. displacement, velocity.

38
Q

Displacement

A

is the distance an object travels in a certain direction. E.g. 50 metres North.

39
Q

Velocity

A

: is the speed of an object in a given direction. E.g. 10 m/s south.

40
Q

Negative

A

Something gaining electrons when charged.

41
Q

Positive

A

something losing electrons when charged.

42
Q

Components

A

the objects in an electrical circuit e.g. bulb, speaker.

Science (6 decks)

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