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Science > Moton > Flashcards

Moton Flashcards

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1
Q

Distance

A

length between two points. Unit is metres (m).

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2
Q

Speed

A

Distance travelled divided by time taken (m/s).

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3
Q

Time

A

How long it takes to do something (s).

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4
Q

Distance-time graph

A

Graph drawn using time on x axis and distance on y axis. The slope gives the speed.

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5
Q

Current electricity

A

The steady flow of charge though wires and circuits.

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6
Q

Static electricity

A

When two objects come into contact, electrons can transfer between them. When this happens, both objects become charged with static electricity.

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7
Q

Charges particles

A

Particles that have lost or gained electrons

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8
Q

Conductors

A

A substance that allows energy, such as heat or electricity, to pass through it easily.

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9
Q

Insulators

A

A substance that does not allow energy, such as heat or electricity, to pass through it easily.

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10
Q

Negative

A

Electrons have a negative charge. If an object gains electrons, it becomes negatively charged.

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11
Q

Positive

A

An object that has lost electrons takes on a positive charge

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12
Q

Components

A

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

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13
Q

Circuit diagram

A

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

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14
Q

Current

A

the rate of flow of charge per second. Symbol is (I). Measured using an ammeter.

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15
Q

Ammeter

A

Equipment used to measure current (I).

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16
Q

Potential difference

A

When there is a point of high electrical energy and a point of low electrical energy in a circuit, there is a difference in electrical potential energy between these points. It is called potential difference.

17
Q

Voltage

A

Another word for potential difference. Measured in Volts (V) using a voltmeter.

18
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.

19
Q

Scalar

A

A measurement that has size (magnitude) only. They do not have direction associated with them. E.g. distance, speed, time.

20
Q

Vector

A

A measurement that has size (magnitude) only. They do not have direction associated with them. E.g. distance, speed, time.

21
Q

Displacement

A

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

22
Q

Velocity

A

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

23
Q

Distance-time graph

A

Graph drawn using time on x axis and distance on y axis. The slope gives the speed.

24
Q

Current electricity

A

The steady flow of charge though wires and circuits.

25
Q

Static electricity

A

When two objects come into contact, electrons can transfer between them. When this happens, both objects become charged with static electricity.

26
Q

Charges particles

A

Particles that have lost or gained electrons

27
Q

Conductors

A

A substance that allows energy, such as heat or electricity, to pass through it easily.

28
Q

Insulators

A

A substance that does not allow energy, such as heat or electricity, to pass through it easily.

29
Q

Negative

A

Electrons have a negative charge. If an object gains electrons, it becomes negatively charged.

30
Q

Positive

A

An object that has lost electrons takes on a positive charge

31
Q

Components

A

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

32
Q

Circuit diagram

A

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

33
Q

Current

A

the rate of flow of charge per second. Symbol is (I). Measured using an ammeter.

34
Q

Ammeter

A

Equipment used to measure current (I).

35
Q

Potential difference

A

When there is a point of high electrical energy and a point of low electrical energy in a circuit, there is a difference in electrical potential energy between these points. It is called potential difference.

36
Q

Voltage

A

Another word for potential difference. Measured in Volts (V) using a voltmeter.

37
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.

38
Q

Example of nature selection

A

peppered moth. Lighter moths survive in less polluted areas, darker ones survive in the cities. The genes for light or dark wings are passed on more often depending, on where they live.

Science (6 decks)

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