Question 1
- Define ‘energy’.
- Give three examples of things that energy can do.
- How is energy different from matter?
- What are the units for measuring energy? Include the name and symbol.
Question 2
What are the two main categories of energy?
Question 3
- What is kinetic energy?
- Give three examples of kinetic energy.
Question 4
- What is potential energy?
- Give three examples of potential energy.
Question 5
Match the following types of energy with their descriptions.
Question 6
Classify the following types of energy as kinetic energy or potential energy. If both answers are possible, write ‘either’.
Question 7
- Explain why kinetic energy is considered as being directly usable, whereas potential energy is not considered as being directly usable.
- How can potential energy become usable?
Question 8
- Explain how kinetic energy is measured. Give an example.
- Explain how potential energy is measured. Give an example.
Question 9
Classify the following characteristics as relating to kinetic energy, potential energy or both.
Question 10
Give an example of a type of energy that all objects contain.
Question 11
What is total energy?
Question 12
List all types of kinetic and potential energy possessed by the following objects.
- A cup sitting on a shelf.
- A ball moving through the air.
- Fireworks.
Question 13
- Define ‘energy transfer’.
- Give two examples of energy transfer.
Question 14
- Define ‘energy transformation’.
- Give three examples of energy transformation.
Question 15
Classify each of the following as an energy transfer or an energy transformation.
Question 16
For each of the following scenarios, describe one energy transfer and one energy transformation that is taking place.
- Using a hair dryer to dry your hair.
- Riding a mountain bike.
- Letting off fireworks.
Question 17
- State the law of conservation of energy?
- Explain how the law of conservation of energy applies to energy transfer and energy transformation.
Question 18
- Explain why energy transfers and energy transformations are never 100% efficient.
- Name three types of energy that can be produced as a by-product of energy transfer or transformation and give an example of each.