Potential to Kinetic Energy Practice Exercise 1

A football is placed on a balcony railing. It is accidentally pushed and falls to the ground. Explain how the football’s energy changes during the fall. (1 mark)

A pupil sits at the top of a playground slide. Explain how the pupil’s potential energy changes as they slide down. (1 mark)

Describe what happens to the energy of a ball when it is dropped from a raised platform to the ground. (2 marks)

Explain how stretching and releasing a rubber band demonstrates the transformation of potential energy to kinetic energy. (2 marks)

A sack of maize is placed on a cart at the top of a gentle slope. The cart is released and starts moving down. Explain the changes in energy that take place from the moment the cart is released to when it reaches the bottom of the slope. (1 mark)

Explain what is meant by potential energy and kinetic energy, and describe how potential energy can be transformed into kinetic energy. (3 marks)

Give one real-life example in Kenya where potential energy is converted into kinetic energy, and explain how it happens. (2 marks)

Give one real-life example in Kenya where potential energy is converted into kinetic energy, and explain how it happens. (2 marks)

Give one real-life example in Kenya where potential energy is converted into kinetic energy, and explain how it happens. (2 marks)

The diagram below shows a large rock resting at the top of a slope in picture A, and the same rock sliding downhill in picture B. Explain the transformation of energy from the moment the rock begins to slide to when it reaches the bottom. (1 mark)  

The diagram below shows a large rock resting at the top of a slope in picture A, and the same rock sliding downhill in picture B. Explain the transformation of energy from the moment the rock begins to slide to when it reaches the bottom. (1 mark)  

The diagram below shows a mango tree with mangoes on all branches in picture A, and two mangoes falling to the ground in picture B. Describe the transformation of energy shown in the diagram. (2 marks)

The diagram below shows a mango tree with mangoes on all branches in picture A, and two mangoes falling to the ground in picture B. Describe the transformation of energy shown in the diagram. (2 marks)

The diagram below shows a mango tree with mangoes on all branches in picture A, and two mangoes falling to the ground in picture B. Describe the transformation of energy shown in the diagram. (2 marks)

Water is stored behind a dam at a height. Explain how the stored water can be used to turn turbines and produce electricity. In your answer, describe how the potential energy of the water changes during this process. (3 marks)