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Year 9 End Of Year Exam Revision > Physics END OF YEAR EXAM Revision > Flashcards

Physics END OF YEAR EXAM Revision Flashcards

1
Q

Types of energy/energy stores

A

Chemical, Kinetic, Gravitational Potential, Thermal, Nuclear, Elastic Potential, Magnetic, Electrostatic

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2
Q

Chemical energy examples

A

Food, batteries

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3
Q

Kinetic energy examples

A

Train moving, person falling, planets orbiting the Sun

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4
Q

Gravitational potential energy examples

A

Plane flying, hot air balloons, jumping

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5
Q

Thermal energy examples

A

Internal body heat, lamp, stars

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6
Q

Nuclear energy examples

A

Nuclear bombs, stars

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7
Q

Elastic potential energy example

A

Elastic bands

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8
Q

Magnetic energy examples

A

Magnets, cars, washing machines

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9
Q

Electrostatic energy example

A

Electricity

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10
Q

Types of energy transfer

A

Heating, work done by force, work done by a current, radiation

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11
Q

Efficiency

A

Useful energy out
————————-
Total energy in

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12
Q

Gravitational potential energy

A

Mass x Gravitational Strength x Height

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13
Q

Kinetic energy

A

1/2 x mass x velocity squared

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14
Q

3 processes that heat can be transferred by

A

Conduction, convection, radiation

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15
Q

Conduction is when heat is transferred by…

A

Vibrations

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16
Q

Example of a good conductor

A

Metals

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17
Q

Convection is for heat transfers with…

A

Liquids and gasses

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18
Q

Conduction is for heat transfers with…

A

Solids

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19
Q

Heat radiation is best with ??? coloured objects

A

Black/dark

20
Q

Conduction examples

A

The handle of a metal pan getting hot, wearing lots of layers of clothes in winter

21
Q

Convection examples

A

An electric fan heater heating a room, an oven cooking a turkey, a sea breeze, boiling a kettle

22
Q

Heat radiation examples

A

Toaster making toast, a white shirt keeping you cool in the summer, heat from a fire

23
Q

Example of a good insulator

A

Trapped air

24
Q

Solutions for heat loss in houses

A

Double glazing in windows, underfloor heating, loft insulation

25
Q

Renewable energy sources

A

Solar, wind, biomass, hydroelectric power, tidal, wave, geothermal

26
Q

Non renewable energy sources

A

Coal, oil, natural gas, nuclear

27
Q

Wind power positives

A

Renewable, can be put in the sea

28
Q

Wind power negatives

A

Ugly, kills birds, only works when there is wind

29
Q

Coal (as a source of energy) positives

A

Cheap, easy to find

30
Q

Coal (as a source of energy) negatives

A

Non renewable, not environmentally friendly

31
Q

Solar power positives

A

Renewable, can be put on houses

32
Q

Solar power negatives

A

Only works during the day, expensive

33
Q

Hydroelectric power positives

A

Renewable, can provide a lot of electricity

34
Q

Hydroelectric power negatives

A

Expensive, can cause flooding

35
Q

Oil (as a source of energy) positives

A

Easy to gather, easy to transport

36
Q

Oil (as a source of energy) negatives

A

Non renewable, oil spills cause death and damage to marine life

37
Q

Average walking speed

38
Q

Speed formula

A

Distance
————
Time

39
Q

Difference between vector and scalar quantities

A

A vector quantity is magnitude in a certain direction, scalar quantities have no direction

40
Q

Vector quantity examples

A

Velocity, all forces, displacement values

41
Q

Scalar quantity examples

A

Speed, time, mass, energy

42
Q

Speed

A

How fast an object is moving

43
Q

Velocity

A

Speed in a certain direction

44
Q

Distance

A

How far something has or will travel

45
Q

Displacement

A

Distance in one direction as the fastest route

46
Q

Acceleration formula

Year 9 End Of Year Exam Revision (11 decks)

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