Lesson 1

Energy changes

Objectives:

  1. Know the main types of energy.

  2. Be able to draw a diagram to show the energy change in a machine or device.

PART A

Read and copy this sentence about energy.

Energy cannot be created nor destroyed, it is changed from one type into another. We call this transferring energy.

PART B

Watch this video about energy:


PART C

Copy this list of types of energy:


  1. KINETIC

  2. HEAT (THERMAL)

  3. LIGHT

  4. SOUND

  5. GRAVITATIONAL POTENTIAL

  6. CHEMICAL POTENTIAL

  7. ELASTIC POTENTIAL

  8. ELECTRICAL

  9. NUCLEAR


PART D

Find out the meaning of the word KINETIC and write it down.

PART E

When there is an energy change, there is a starting energy called the INPUT energy and this changes to the OUTPUT energy. Draw this diagram.

Energy change candle

PART F


This presentation shows 8 energy changes. Work out the missing energy types - write the changes out on paper.

Energy changes questions

PART G

Check your answers.

Energy changes - answers

PART H

Try this quiz to finish.

End of lesson