New
New
Year 6

How electrical insulators keep us safe (non-statutory)

I can identify how electrical insulators keep us safe.

New
New
Year 6

How electrical insulators keep us safe (non-statutory)

I can identify how electrical insulators keep us safe.

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Lesson details

Key learning points

  1. People who work in some jobs risk exposure to high voltage electricity.
  2. People who work with electricity have a variety of safety wear or PPE, that they put on to work in certain places.
  3. Insulators are used in many places in our daily lives to protect us from the dangers of electricity.
  4. Scientists and engineers in industry test, design and make new and improved materials and products.
  5. Lightning rods can be used to protect buildings from lightning strikes.

Keywords

  • Electric shock - An electric shock occurs when electricity passes into our bodies. It can be very dangerous.

  • High voltage - High voltage electricity flows with a stronger push than low voltage electricity.

  • Personal protective equipment - Personal protective equipment or PPE refers to clothes and equipment used by people to keep them safe.

  • Electrical insulator - An electrical insulator is a material that does not allow electricity to pass through it easily.

  • electrical conductor - An electrical conductor is a material that allows electricity to pass through it easily.

Common misconception

Electrical insulators cannot conduct electricity at all.

Children will be taught that electrical insulators are materials that do not allow electricity to pass through them easily.

You might like to remind pupils that people should never touch things like train tracks or cables, as they could get shocked or electrocuted.
Teacher tip

Equipment

None

Licence

This content is © Oak National Academy Limited (2024), licensed on Open Government Licence version 3.0 except where otherwise stated. See Oak's terms & conditions (Collection 2).

Lesson video

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6 Questions

Q1.
In which types of material does electricity flow more easily?
electrical insulators
Correct answer: electrical conductors
it flows easily in all materials
Q2.
is a measure of the electrical push provided to a circuit.
An image in a quiz
insulation
conduction
Correct answer: voltage
battery
cell
Q3.
Which of these might cause a bulb in a circuit to blow or burn out?
An image in a quiz
too low a voltage
too many components
Correct answer: too high a voltage
too many switches
Q4.
If you increase the voltage in a circuit, what happens to the volume of a buzzer?
An image in a quiz
it gets quieter
Correct answer: it gets louder
nothing
Q5.
Which of these materials would be the worst electrical insulator?
wood
plastic
ceramic
Correct answer: copper
Q6.
What causes an electric shock to a human?
An image in a quiz
Electricity flowing near our bodies.
Correct answer: Electricity from outside passing into our bodies.
Natural electricity flowing within our bodies.

6 Questions

Q1.
Which of these types of material are used to protect us from the dangers of electricity?
electrical conductors
Correct answer: electrical insulators
Q2.
In which of these jobs are workers exposed to high voltage electricity?
An image in a quiz
chefs
Correct answer: power plant workers
Correct answer: line workers
soldiers
Q3.
In which of these careers would you be most likely to test, design and make new and improved materials and products?
An image in a quiz
line worker
power plant operator
Correct answer: electrical engineer
electrician
Q4.
What does PPE stand for?
An image in a quiz
protective production equipment
people’s protection equipment
Correct answer: personal protective equipment
Q5.
What is PPE, or personal protective equipment, for?
An image in a quiz
To help identify the company that someone works for.
Correct answer: To keep workers safe.
To make sure workers don’t get their own clothes dirty.
Q6.
If there is more than one possible route, is most likely to travel along the route made of the best conductor.
Correct Answer: electricity