Energy stores

9.A remote-controlled car accelerates forwards. Which energy store does it now have?

10.The battery of a remote-controlled car becomes hot as it is used. Which energy store has increased?

11.Two charged particles close to each other have which energy store?

12.Uranium fuel in a nuclear power plant has which energy store?

13.A chocolate bar is an example of which energy store?

14.Two magnets held close together have which energy store?

15.A skier is at the top of a mountain. Which energy store is largest?

16.A ball is thrown upwards. As it rises, what happens to its gravitational potential energy store?

17.A car is moving at constant speed on a flat road. Which energy store is constant?

18.A pendulum swings from its highest point to its lowest point. Which energy store decreases?

19.A spring is compressed and then released. What energy transformation occurs as it returns to its original length?

20.A nuclear power plant uses uranium fuel. Which energy store does the uranium have?

21.A hot cup of tea has which energy store?

22.A roller coaster car is at the top of a hill and then descends. Which statement about energy stores is correct?

23.A battery is used to power a torch. Which energy store does the battery have?

24.A proton and an electron are close together. Which energy store do they have?

25.A student investigates energy stores by dropping a ball from different heights and measuring the bounce height. Which energy store decreases as the ball falls?

26.In an experiment, a spring is stretched by hanging masses on it. Which energy store increases in the spring as it is stretched?

27.A student uses a joulemeter to measure the energy transferred by a battery-powered toy car. The car moves at constant speed on a flat surface. Which statement about the energy stores is correct?

28.A student places a hot metal block into a beaker of cold water and measures the temperature change. Which energy store of the metal block decreases?

29.In an experiment, a pendulum swings from its highest point to its lowest point. Which energy transformation occurs?

30.A student rubs their hands together quickly. Which energy store increases in their hands?

31.A student investigates the energy stored in a stretched elastic band. They stretch the band to different lengths and release it to launch a paper pellet. Which energy store is greatest in the stretched band?

32.A student uses a battery to light a bulb. Which energy store of the battery decreases?

33.A student investigates the efficiency of a motor by measuring the electrical energy input and the gravitational potential energy gained by a lifted mass. Which energy store of the mass increases?

34.A student places two magnets close together and feels a force. Which energy store do the magnets have?

35.Which energy store does a moving car have?

36.A student investigates the energy changes in a bouncing ball. When the ball hits the ground and compresses, which energy store increases?

37.Which energy store does any object that has a temperature possess?

38.Which energy store is increased when an object is lifted higher above the ground?

39.A stretched elastic band stores energy in which store?

40.Which energy store is associated with food, fuel, and batteries?

41.Which of the following is NOT a type of energy store?

42.An object that is moving has a kinetic energy store.

43.Which energy store is associated with a hot cup of tea?

44.A stretched elastic band stores gravitational potential energy.

45.Match each energy store to its correct description.

46.Which of the following is NOT an example of a chemical energy store?

47.Two magnets held close together have a magnetic potential energy store.

48.Arrange the following energy stores in the order they appear in the source table (first to last).

49.Which of the following are examples of objects that have a gravitational potential energy store? (Select all that apply)

50.A student investigates the energy changes in a toy car. The car is placed at the top of a ramp and released. It rolls down the ramp and along a flat surface before stopping. Which of the following correctly describes the main energy store changes from the moment the car is released until it stops?

51.Fill in the blank.

52.Fill in the blanks to list the eight energy stores mentioned in the source.

53.State the energy store that a book on a high shelf has.

54.State the energy store that two charged particles close to each other have.

55.A 2 kg object is lifted to a height of 5 m above the ground. Calculate the gravitational potential energy stored in the object. Use g = 10 N/kg.

56.In an experiment, a student drops a ball from different heights and measures the height of the bounce. The results are shown in the table below. Drop height (m) | Bounce height (m) 0.50 | 0.30 1.00 | 0.60 1.50 | 0.90 2.00 | 1.20 Explain why the bounce height is always less than the drop height, referring to energy stores and transfers.

57.A 2 kg object is lifted to a height of 5 m above the ground. Calculate the gravitational potential energy stored in the object. Use g = 10 N/kg.