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Physics S1 > End Of Set Test > Flashcards

End Of Set Test Flashcards

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1
Q

What can waves do?

A

Carry energy from one place to another

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2
Q

What do sound waves travel through?

A

A medium

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3
Q

What is the number of waves that pass a point each second called?

A

Frequency

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4
Q

What is the frequency or pitch of a sound a measure of?

A

How high or low it is

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5
Q

What is the frequency or pitch measured in?

A

Herts (Hz) and the symbol for it is an “f”

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6
Q

What is velocity in physics terms?

A

“V”

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7
Q

What is the loudness (amplitude) of a sound?

A

The height of the wave above the starting point

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8
Q

What is the energy of a sound caused by?

A

Vibrations

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9
Q

What are sound waves an example of ?

A

Longitudinal waves but they are drawn as transverse waves

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10
Q

What can sound not travel through?

A

A vacuum

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11
Q

What can sounds travel well through?

A

Solids, liquids and gasses

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12
Q

What is velocity another word for?

A

Speed

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13
Q

What is electricity a movement of?

A

Electrons

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14
Q

What does current measure the flow of?

A

Electrons

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15
Q

What is current measured by?

A

Ammeters (A) in amps

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16
Q

What is an ammeter always connected in/by?

A

Series

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17
Q

What is voltage also called?

A

A potential difference

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18
Q

What does a voltage measure?

A

How much energy is available for use by the components in the circuit

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19
Q

What is the voltage provided by?

A

The cells/batteries/power supply’s used

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20
Q

What is voltage measured by?

A

A volt meter in volts (V)

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21
Q

What is resistance a measure of?

A

How hard it is for the electrons to move around the circuit

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22
Q

What things have resistance?

A

All components and wires have resistance

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23
Q

What is resistance measured in?

A

Ohmmeter or ohms (Ω: the Greek letter omega)

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24
Q

What measures current and resistance?

A

A multimeter

25
Q

What is electrical power the rate of?

A

The rate at which an electrical appliance uses energy

26
Q

What type of appliances use the most power?

A

Appliances that use heat

27
Q

What is power measured in?

A

Watts (W)

28
Q

What does one watt (W) of power mean?

A

That the alliance is using one joule of energy each second

29
Q

What can electrical power be calculated as

A

Power=current x voltage (or p=IV)

30
Q

What is a resistor a component of?

A

A circuit designed to reduce or limit the current

31
Q

What is a conductor?

A

A material which lets energy flow

32
Q

What is an insulator?

A

A material which does not let energy flow

33
Q

In a series circuit how many paths are there for current flow?

A

One path

34
Q

What do parallel circuits have?

A

Junctions that the Currents that can split or join at

35
Q

In a series circuit what is the current flow like?

A

Same in all places

36
Q

In a parallel circuit what is the brightness in bulbs like?

A

Same in all the bulbs regardless of how many bulbs there are

37
Q

What are fuses?

A

Safety devices that have a wire that breaks if too much current flows through it

38
Q

What is the symbol for current

A

“I”

39
Q

What is a singular power cell called

A

A cell

40
Q

What are two power cells called

A

A battery

41
Q

What is heat a form of?

A

Energy

42
Q

What does thermal mean?

A

Heat

43
Q

What is the temperature a measure of?

A

How hot an object is

44
Q

How is the temperature measured?

A

With a thermometer

45
Q

What does there need to be for heat to move from one place to another?

A

A temperature difference

46
Q

Where does heat travel from?

A

A warmer area to a cooler area

47
Q

What do different metals conduct at?

A

Different rates

48
Q

What do insulators not allow to travel through easily?

A

Heat

49
Q

What are liquids and gasses both?

A

Liquids and their particles move

50
Q

What is infrared radiation part of?

A

The electromagnetic spectrum

51
Q

What does Infrared radiation travel as?

A

A wave

52
Q

What does heat travel by

A

By Infrared radiation through space and no particles are involved

53
Q

What can happen if radiation hits something?

A

It can be absorbed or reflected

54
Q

What surfaces reflect the most radiation?

A

Light coloured and shiny surfaces

55
Q

What surfaces absorb the most radiation?

A

Dark coloured and dull(matte) surfaces

56
Q

What does heat loss in a house depend on?

A

The temperature difference between the inside and outside of the house

57
Q

What can heat transfer be reduced in?

A

A building

58
Q

What can reducing heat loss do?

A

Save money and energy

Physics S1 (1 decks)

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