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Unit 4F: Circuits and conductors. Circuits and conductors. T. Unit 4F: Vocabulary. Useful Words Battery Bulb Buzzer Motor Break Electrical insulator Electrical Conductor Metal Plastic. An electrical energy source. A light source powered by electricity.

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Presentation Transcript
unit 4f circuits and conductors
Unit 4F: Circuits and conductors

Circuits and conductors

T

Unit 4F: Circuits and conductors

unit 4f vocabulary
Unit 4F: Vocabulary

Useful Words

Battery

Bulb

Buzzer

Motor

Break

Electrical insulator

Electrical Conductor

Metal

Plastic

An electrical energy source

A light source powered by electricity

A sound source powered by electricity

A device that uses electricity to produce movement

In an electric circuit a break will stop the circuit working

A material that will not allow electricity to pass through

A material that will allow electricity to pass through

A good conductor of electricity

An electrical insulator

V

Unit 4F: Vocabulary

unit 4f simple circuits
Unit 4F: Simple Circuits

Simple Circuits

Which of the circuits will work and which ones will not?

Why will they not work?

A

Unit 4F: Simple circuits: L.O. 1, 2: N.C. 4.1a

unit 4f safe experiments
Unit 4F: Safe Experiments

Safe Experiments

A

Unit 4F: Safe Experiments: L.O. 3: N.C.

unit 4f conductors and insulators
Unit 4F: Conductors and Insulators

Conductors and Insulators

What materials are good conductors of electricity?

How can we test various materials to see if they are conductors?

What do the results show?

Are there any exceptions to the general rule?

A

Unit 4F: Conductors and Insulators: L.O. 4, 5, 6: N.C. 3.1c

unit 4f uses of metals and plastics in electrical circuits
Unit 4F: Uses of metals and plastics in electrical circuits

Uses of metals and plastics in electrical circuits

D

Unit 4F: Uses of metals and plastics in electrical circuits: L.O. 7: N.C. 3.1c

unit 4f switches
Unit 4F : Switches

Switches

What does the switch actually do?

D

Unit 4F: Switches: L.O. 8: N.C.

unit 4f switches8
Unit 4F: Switches

D

Unit 4F: Switches: L.O. 8: N.C.

unit 4f varying components
Unit 4F: Varying components

Varying Components

A

Unit 4F: Varying components: L.O. 9, 10: N.C. 4.1b

unit 4f changing circuits
Unit 4F: Changing circuits

Changing circuits

How can you change the brightness of the bulb?

List all the things you could change to do this.

What will happen if you add more bulbs to the circuit?

What would a switch do to the circuit?

If the bulb was exchanged for a motor, how could the speed of the motor be changed?

How could the loudness of a buzzer be changed?

?

Unit 4F: Changing circuits: L.O. 11, 12, 13, 14: N.C. 4.1a

unit 4f summary
Need a power source

Switch can break a circuit

Bulb brighter

Motor faster

Components

More

Buzzer louder

Batteries

Circuits

Bulb dimmer

Less

Needs to be complete

Motor slower

Circuits and

Conductors

Buzzer quieter

Allow electricity

through

Do not allow electricity through

Some better than others

Insulators

Conductors

Cables

Non-metal

Metals are good

Wires

Unit 4F: Summary

Concept Map

S

Unit 4F: Summary

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