Light and Sound Energy

Light and Sound Energy

 

SUBJECT: Basic science and Technology Third Term Primary 3

 

CLASS: Primary 3

 

Term : Third Term

 

Week: Week 7 & 8

 

Topic  : Light and Sound Energy

 

Behavioural objectives :

By the end of the lesson, the learners will be able to

  • Explain the meaning of Light and Sound Energy
  • List examples of Light and Sound Energy

Previous lesson : 

The pupils have previous knowledge of

Energy 

that was taught in the previous topic

 

Instructional Materials :

  • Touch light
  • Candle
  • Lantern
  • Sand
  • Wheelbarrow
  • Shovel
  • Stick
  • Plane
  • Mirror
  • Lenses concave
  • Empty tins with shinny surface
  • Pencils.

 

 

 

 

Methods of Teaching :

  • Class Discussion
  • Group Discussion
  • Asking Questions
  • Explanation
  • Role Modelling
  • Role Delegation

 

Reference Materials :

  • Scheme of Work
  • Online Information
  • Textbooks
  • Workbooks
  • 9 Year Basic Education Curriculum
  • Workbooks

 

CONTENT

 

LIGHT ENERGY

Light energy is a form of radiation that we use to see .. Light consists of photons, which are produced when an object’s atoms heat up. Light travels in waves and is the only form of energy visible to the human eye.

SOURCES OF ENERGY

Sun

Electric bulb

Explosion

Flame

Led(light emitting diode)

Fire

Moon

Tube light

 

Uses of light energy

It helps us to see things.

It helps plants to make food and grow.

It is used in power satellites and space stations.

It is used in many electronic appliances.

The energy of light from the sun can be harvested to solar panels and can be used for domestic use since it is eco-friendly and cost effective too.

Materials that can reflect light

Smooth and shinning surface like glass,water, or polished metals.

 

 

SOUND ENERGY

Sound energy is produced when an object vibrates. The sound vibrations cause waves of pressure that travel through a medium, such as air, water, wood or metal. Sound energy is a form of mechanical energy. We can hear sound . Sound may be unpleasant noise or melodious music

Uses of Sound Technology

Cellular Telephone ringtones

Motion Picture soundtracks

Telephone rings

C.D.’s Televisions

Electronics

Hearing Aids

Video Tape Recorders

Video Cameras

Speakers

Stethoscopes

Microphone

 

Presentation :

The topic is presented step by step

 

Step 1:

The class teacher revises the previous topics

 

Step 2.

He introduces the new topic

 

Step 3:

The class teacher allows the pupils to give their own examples and he corrects them when the needs arise

 

 

Conclusion

The class teacher wraps up or conclude the lesson by giving out short note to summarize the topic that he or she has just taught.

The class teacher also goes round to make sure that the notes are well copied or well written by the pupils.

He or she does the necessary corrections when and where  the needs arise.

 

 

Evaluation 

 

  1. define and explain the meaning of sound energy.
  2. explains two sources of light energy.
  3. list three materials that can reflect lights.
  4. explain the meaning of sound energy.

 

 

 

 

 

Similar Links 

 

Basic science and Technology Third Term Primary 3

 

 

Weekly Topics For Third term Basic 3 basic Science and Technology

 

 

 

Week 1 : Living Things . Plants and animals 

 

 

Week 2 : Characteristics of living things

 

 

Week 3 : Forms of Technology 

 

 

Week 4 : Modern Technology

 

 

Week 5 : Forms of Energy 

 

 

 

Week 6 : Energy 

 

 

 

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