Year 8

Energy stores and transfers

Describe energy stores and pathways and give examples.

Year 8

Energy stores and transfers

Describe energy stores and pathways and give examples.

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Lesson details

Key learning points

  1. Name the main energy stores and give examples
  2. Describe energy transfers and identify pathways in examples

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This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.

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6 Questions

Q1.
How can energy be described?
Energy cannot be transferred.
Correct answer: Energy is found in different stores.
Energy is measured in kilograms (kg).
Energy is only found in moving objects.
Q2.
What happens to the amount of energy stored in water when it is heated by a kettle?
It decreases.
It doesn't have any energy.
Correct answer: It increases.
It stays the same.
Q3.
What happens to the energy stored in an apple when it is eaten?
It is destroyed.
The apple doesn't have any energy.
Correct answer: The energy is transferred into other energy stores in the body.
The energy stays in the apple.
Q4.
Which of these objects stores the largest amount of energy?
a car driving on the motorway
a hot cup of tea
a lightbulb
Correct answer: the Sun
Q5.
What form of energy will a stretched rubber band store?
chemical energy
Correct answer: elastic potential energy
gravitational potential energy
nucleur energy
Q6.
Energy is ______________ energy stores.
destroyed by
Correct answer: transferred between
used up in

6 Questions

Q1.
Match the energy stores with their correct descriptions.
Correct Answer:kinetic energy,stored in moving objects

stored in moving objects

Correct Answer:chemical energy,stored in foods, fuels or batteries

stored in foods, fuels or batteries

Correct Answer:elastic potential,stored in stretched objects

stored in stretched objects

Q2.
Match the energy stores with their correct descriptions.
Correct Answer:gravitational potential energy,stored in objects off the ground

stored in objects off the ground

Correct Answer:nuclear energy,involves splitting or fusing atoms

involves splitting or fusing atoms

Correct Answer:thermal energy,stored as heat

stored as heat

Q3.
Which energy transfer takes place when a forklift picks up a crate?
electrical
heating
Correct answer: mechanical
radiation
Q4.
Which energy transfer takes place when a circuit is switched on?
Correct answer: electrical
heating
mechanical
radiation
Q5.
Put these energy stores and transfers in the correct order to describe the energy pathway of a cyclist during a race.
1 - chemical energy store in the muscles
2 - mechanical transfer
3 - kinetic energy store in the bike
Q6.
Put these energy stores and transfers in the correct order to describe the energy pathway of a ball rolling down a hill.
1 - gravitational potential energy store in the ball
2 - mechanical transfer
3 - kinetic energy store in the ball