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BST primary classes

Electricity is a form of energy that can give things the ability to move and work. Electricity makes the following to do work or move: bulbs, toys, machines, cars, television etc.

 

CONDUCTOR AND NON CONDUCTOR

CONDUCTOR

Conductors are materials that allow energy to flow through them. For example, wire, iron, pin, spoon, etc. They are called electric conductors

 

NON CONDUCTOR

Non conductors are materials that do not allow energy to flow through them. For example, paper, broom, thread cloth etc.

 

MEANING AND COMPONENTS OF ELECTRICAL CIRCUITS

Electric circuit contains three (3) components:

 

  1. Source-batteries

 

2, Electric conductor-wire

 

  1. Resistor-the switch (on/off)

 

USES OF ELECTRICITY

  1. Heating and cooling water
  2. Water heater
  3. Washer and dryer
  4. Lights
  5. Refrigerator
  6. Electric oven
  7. Dishwasher
  8. Decoration-Christmas light
  9. Cooking
  10. Operating all our home appliances-television, computer, radio, fan, pressing iron.
  11. Operating machinery and public transportation systems.

 

STRATEGIES AND ACTIVITIES

The Teacher revises the previous week lesson.

The Teacher introduces the new topic.

The Teacher explains the note in details.

The Teacher gives room for pupils to ask questions.

The Teacher evaluates the pupils.

 

ASSESSMENT AND EVALUATION

  1. Explain how electricity travels from one point to another
  2. Group materials into conductor and non conductor
  3. State the uses of electricity.

 

ASSIGNMENT

Now complete the following sentences. Use these words:

Metals, non-metals, conductors, non-conductors.

1. Metals are usually ____________________ of electricity.

2. ______________ are usually non-conductors of electricity.

3. Non-metals are usually _________________ of electricity.

4. _________________ are usually conductors of electricity.

 

See also

BASIC ELECTRICITY

MEANING OF HEAT AND TEMPERATURE

MEANING OF HEAT AND TEMPERATURE

MEANING AND IMPORTANCE OF ENERGY CONVERSION

DRAWING INSTRUMENTS

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