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P1 Quick Revision Questions

P1 for AQA GCSE examination 2018 onwards

Question 1

• What type of energy is stored in a stretched elastic band?

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P1 for AQA GCSE examination 2018 onwards

• Elastic potential energy.

Answer 1 .... of 50

P1 for AQA GCSE examination 2018 onwards

Question 2

• What type of energy is stored when an object is moved upwards?

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P1 for AQA GCSE examination 2018 onwards

• Gravitational potential energy

Answer 2 .... of 50

P1 for AQA GCSE examination 2018 onwards

Question 3

• What is the equation for gravitational potential energy?

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P1 for AQA GCSE examination 2018 onwards

• Ep = mgh

Answer 3 .... of 50

P1 for AQA GCSE examination 2018 onwards

Question 4

• What is the equation for elastic potential energy?

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P1 for AQA GCSE examination 2018 onwards

• Ee = ½ ke2

Answer 4 .... of 50

P1 for AQA GCSE examination 2018 onwards

Question 5

• What is the equation for work done?

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P1 for AQA GCSE examination 2018 onwards

• Work done = force x distance.

Answer 5 .... of 50

P1 for AQA GCSE examination 2018 onwards

Question 6

• What is the equation for kinetic energy?

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P1 for AQA GCSE examination 2018 onwards

Answer 6 .... of 50

P1 for AQA GCSE examination 2018 onwards

Question 7

• What is the energy transfer when a moving object encounters friction?

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P1 for AQA GCSE examination 2018 onwards

• Kinetic energy Heat energy

Answer 7 .... of 50

P1 for AQA GCSE examination 2018 onwards

Question 8

• What is the equation for power?

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P1 for AQA GCSE examination 2018 onwards

Answer 8 .... of 50

P1 for AQA GCSE examination 2018 onwards

Question 9

• What is the equation for specific heat capacity?

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P1 for AQA GCSE examination 2018 onwards

Answer 9 .... of 50

P1 for AQA GCSE examination 2018 onwards

Question 10

• Why does water take longer to heat up than copper?

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P1 for AQA GCSE examination 2018 onwards

• Because it has a higher specific heat capacity therefore more energy is required to raise it’s temperature.

Answer 10 .... of 50

P1 for AQA GCSE examination 2018 onwards

Question 11

• What is the unit of Gravitational Potential Energy?

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P1 for AQA GCSE examination 2018 onwards

• Joules

Answer 11 .... of 50

P1 for AQA GCSE examination 2018 onwards

Question 12

• What is the unit of speed?

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P1 for AQA GCSE examination 2018 onwards

• m/s

Answer 12 .... of 50

P1 for AQA GCSE examination 2018 onwards

Question 13

• Jack walks on a level floor. Does he gain or lose any gravitational potential energy?

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P1 for AQA GCSE examination 2018 onwards

• Stays the same, because his height above the floor does not change

Answer 13 .... of 50

P1 for AQA GCSE examination 2018 onwards

Question 14

• What’s the unit of Elastic Potential Energy?

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P1 for AQA GCSE examination 2018 onwards

• Joules

Answer 14 .... of 50

P1 for AQA GCSE examination 2018 onwards

Question 15

• What is my weight on the Earth if my mass is 93kg?

(g=10 N/kg)

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P1 for AQA GCSE examination 2018 onwards

Answer 15 .... of 50

P1 for AQA GCSE examination 2018 onwards

Question 16

• What’s the unit of Kinetic Energy?

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P1 for AQA GCSE examination 2018 onwards

• Joules

Answer 16 .... of 50

P1 for AQA GCSE examination 2018 onwards

Question 17

• I’m driving a car at 10 m/s. My mass is 60 kg. Calculate my kinetic energy?

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P1 for AQA GCSE examination 2018 onwards

Answer 17 .... of 50

P1 for AQA GCSE examination 2018 onwards

Question 18

• What happens to your kinetic energy if your speed doubles?

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P1 for AQA GCSE examination 2018 onwards

• Quadruples.

Answer 18 .... of 50

P1 for AQA GCSE examination 2018 onwards

Question 19

• What is the unit of work done?

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P1 for AQA GCSE examination 2018 onwards

• Joules

Answer 19 .... of 50

P1 for AQA GCSE examination 2018 onwards

Question 20

• What is the unit of force?

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P1 for AQA GCSE examination 2018 onwards

• Newtons

Answer 20 .... of 50

P1 for AQA GCSE examination 2018 onwards

Question 21

• Kim is holding a 30 N bag without moving. How much work is she doing?

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P1 for AQA GCSE examination 2018 onwards

• 0

Answer 21 .... of 50

P1 for AQA GCSE examination 2018 onwards

Question 22

• What is the unit of mass?

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P1 for AQA GCSE examination 2018 onwards

• kg

Answer 22 .... of 50

P1 for AQA GCSE examination 2018 onwards

Question 23

• What is the unit of weight?

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P1 for AQA GCSE examination 2018 onwards

• Newtons

Answer 23 .... of 50

P1 for AQA GCSE examination 2018 onwards

Question 24

• What is the unit of power?

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P1 for AQA GCSE examination 2018 onwards

• Watts

Answer 24 .... of 50

P1 for AQA GCSE examination 2018 onwards

Question 25

• What is one Watt of power?

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P1 for AQA GCSE examination 2018 onwards

• One Joule of energy transferred in one second

Answer 25 .... of 50

P1 for AQA GCSE examination 2018 onwards

Question 26

• What is a κW?

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P1 for AQA GCSE examination 2018 onwards

• 1kW=1,000 W

Answer 26 .... of 50

P1 for AQA GCSE examination 2018 onwards

Question 27

• A motor does 2kJ of work in 1 minute. What power does it develop?

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P1 for AQA GCSE examination 2018 onwards

Answer 27 .... of 50

P1 for AQA GCSE examination 2018 onwards

Question 28

• What’s the difference between heat and temperature?

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P1 for AQA GCSE examination 2018 onwards

• When something is heated, thermal energy is transferred to it. Temperature is a measure of how hot or cold something is.

Answer 28 .... of 50

P1 for AQA GCSE examination 2018 onwards

Question 29

• What is the unit of specific heat capacity?

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P1 for AQA GCSE examination 2018 onwards

Answer 29 .... of 50

P1 for AQA GCSE examination 2018 onwards

Question 30

• Why oiling the moving parts of a machine improves its efficiency?

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P1 for AQA GCSE examination 2018 onwards

• It reduces the friction, so less energy is wasted as thermal energy

Answer 30 .... of 50

P1 for AQA GCSE examination 2018 onwards

Question 31

• Is solar energy reliable?

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P1 for AQA GCSE examination 2018 onwards

• No, you cannot use solar energy during the night or in bad weather

Answer 31 .... of 50

P1 for AQA GCSE examination 2018 onwards

Question 32

• Can energy be transferred in a vacuum?

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P1 for AQA GCSE examination 2018 onwards

• Yes

Answer 32 .... of 50

P1 for AQA GCSE examination 2018 onwards

Question 33

• Which is the only way energy can be transferred in a vacuum?

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P1 for AQA GCSE examination 2018 onwards

• Radiation

Answer 33 .... of 50

P1 for AQA GCSE examination 2018 onwards

Question 34

• Is nuclear energy renewable or not?

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P1 for AQA GCSE examination 2018 onwards

• Non-renewable. Supplies will run out.

Answer 34 .... of 50

P1 for AQA GCSE examination 2018 onwards

Question 35

• Describe the energy transfer when a ball held above the ground is allowed to fall.

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P1 for AQA GCSE examination 2018 onwards

• Before the ball is dropped it has a store of gravitational potential energy. As it falls, energy is transferred to a store of kinetic energy.

Answer 35 .... of 50

P1 for AQA GCSE examination 2018 onwards

Question 36

• What affects the amount of work done by a force?

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P1 for AQA GCSE examination 2018 onwards

• The magnitude of the force and its displacement.

Answer 36 .... of 50

P1 for AQA GCSE examination 2018 onwards

Question 37

• A PlayStation is rated at 350 W. How much energy is transferred in 10 s?

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P1 for AQA GCSE examination 2018 onwards

Answer 37 .... of 50

P1 for AQA GCSE examination 2018 onwards

Question 38

• Define specific heat capacity

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P1 for AQA GCSE examination 2018 onwards

Answer 38 .... of 50

P1 for AQA GCSE examination 2018 onwards

Question 39

• Why water is used to cool car engines?

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P1 for AQA GCSE examination 2018 onwards

• Water has a very high specific heat capacity, so it can absorb a large amount of thermal energy from a hot object for a given temperature change of the water.

Answer 39 .... of 50

P1 for AQA GCSE examination 2018 onwards

Question 40

• Why clothing made from wool is a good insulator?

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P1 for AQA GCSE examination 2018 onwards

• Air is trapped between the wool fibres. Wool and air are bad conductors of thermal energy.

Answer 40 .... of 50

P1 for AQA GCSE examination 2018 onwards

Question 41

• What is the law of conservation of energy?

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P1 for AQA GCSE examination 2018 onwards

• The total energy in a closed system is always constant. Energy cannot be created or destroyed.

Answer 41 .... of 50

P1 for AQA GCSE examination 2018 onwards

Question 42

• What is the equation for efficiency?

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P1 for AQA GCSE examination 2018 onwards

Answer 42 .... of 50

P1 for AQA GCSE examination 2018 onwards

Question 43

• Calculate the efficiency of an LED light bulb which consumes 12 J of electrical energy and

produces 9 J of light energy

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P1 for AQA GCSE examination 2018 onwards

Answer 43 .... of 50

P1 for AQA GCSE examination 2018 onwards

Question 44

• Give an example of an electrical device that transfers energy to a kinetic energy store

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P1 for AQA GCSE examination 2018 onwards

• A fan, a drill, an electric car…

Answer 44 .... of 50

P1 for AQA GCSE examination 2018 onwards

Question 45

• Where does tidal energy come from?

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P1 for AQA GCSE examination 2018 onwards

• The gravitational potential energy store of the Moon

Answer 45 .... of 50

P1 for AQA GCSE examination 2018 onwards

Question 46

• Why the amount of energy we need in the world increases every year?

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P1 for AQA GCSE examination 2018 onwards

• The population of the world is increasing, more countries are developing and need more energy for their industries…

Answer 46 .... of 50

P1 for AQA GCSE examination 2018 onwards

Question 47

• Give two ways fuel-burning power stations can cause pollution.

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P1 for AQA GCSE examination 2018 onwards

• The release carbon dioxide, which contributes to global warming.

• They emit sulfur dioxide which causes acid rain

Answer 47 .... of 50

P1 for AQA GCSE examination 2018 onwards

Question 48

• Name a concern about nuclear power stations

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P1 for AQA GCSE examination 2018 onwards

• They create waste, which will remain radioactive for many years.

• There is a possibility of a nuclear accident which would contaminate an area.

Answer 48 .... of 50

P1 for AQA GCSE examination 2018 onwards

Question 49

• Mary walks up some stairs. Is she doing any work?

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P1 for AQA GCSE examination 2018 onwards

• Yes, by lifting her weight up the stairs.

Answer 49 .... of 50

P1 for AQA GCSE examination 2018 onwards

Question 50

• What is the unit of gravitational field strength?

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P1 for AQA GCSE examination 2018 onwards

• N/kg

Answer 50 .... of 50

P1 for AQA GCSE examination 2018 onwards