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Physics S1 > End Of Set Test > Flashcards

End Of Set Test Flashcards

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
What is electrical power the rate of?
The rate at which an electrical appliance uses energy
26
What type of appliances use the most power?
Appliances that use heat
27
What is power measured in?
Watts (W)
28
What does one watt (W) of power mean?
That the alliance is using one joule of energy each second
29
What can electrical power be calculated as
Power=current x voltage (or p=IV)
30
What is a resistor a component of?
A circuit designed to reduce or limit the current
31
What is a conductor?
A material which lets energy flow
32
What is an insulator?
A material which does not let energy flow
33
In a series circuit how many paths are there for current flow?
One path
34
What do parallel circuits have?
Junctions that the Currents that can split or join at
35
In a series circuit what is the current flow like?
Same in all places
36
In a parallel circuit what is the brightness in bulbs like?
Same in all the bulbs regardless of how many bulbs there are
37
What are fuses?
Safety devices that have a wire that breaks if too much current flows through it
38
What is the symbol for current
“I”
39
What is a singular power cell called
A cell
40
What are two power cells called
A battery
41
What is heat a form of?
Energy
42
What does thermal mean?
Heat
43
What is the temperature a measure of?
How hot an object is
44
How is the temperature measured?
With a thermometer
45
What does there need to be for heat to move from one place to another?
A temperature difference
46
Where does heat travel from?
A warmer area to a cooler area
47
What do different metals conduct at?
Different rates
48
What do insulators not allow to travel through easily?
Heat
49
What are liquids and gasses both?
Liquids and their particles move
50
What is infrared radiation part of?
The electromagnetic spectrum
51
What does Infrared radiation travel as?
A wave
52
What does heat travel by
By Infrared radiation through space and no particles are involved
53
What can happen if radiation hits something?
It can be absorbed or reflected
54
What surfaces reflect the most radiation?
Light coloured and shiny surfaces
55
What surfaces absorb the most radiation?
Dark coloured and dull(matte) surfaces
56
What does heat loss in a house depend on?
The temperature difference between the inside and outside of the house
57
What can heat transfer be reduced in?
A building
58
What can reducing heat loss do?
Save money and energy

Physics S1 (1 decks)

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