Using Electricity Safely

Theme 2: Energy and Forces

Unit 1 Electricity

Electrical safety precaution

Learning Objectives:

1. Justify the need to take safety precautions when using home electrical
appliances and recommend some ways to do it

Step To Success :

1.List down some electrical safety

2. Answer all the questions

1. Answer the following questions

(a) Why do we need to use electricity safely?

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(b) What is an electric shock?

A person that will injured /killed when not using electricity safely

(c) What can we do to prevent getting an electric shock?

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Electrical safety precaution

(d) Why should we keep electrical appliances away from water?

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(e) What 5 safety precautions to follow when using electricity?

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1. Gloves help keep your hands warm in winter because
a)They are conductors of heat.

b)They are conductors of electrical energy

c)They are fuzzy

d)They are insulators

2. Electric plugs are made of plastic because__________.
a)Plastic is stronger than any materials

b)Plastic is flexible

c)Plastic can protect people from electric shock

d)Plastic can be made into various shapes

3. A bird perched on one electrical wire will not get shocked because there is no difference in electrical potential between its feet.
a)True

b)False

Underline the correct answer

4. When a bird touches two wires of different voltage, it will get shocked.

a)True

b)False

5. If you place a metal ladder against an electric power line and climb it, you will not get shocked because you are so far from the ground.

a)True

b)False

6. It is much safer to pull an electrical cord by pulling the cord instead of the plug.

a)True

b)False

7. It is a good idea to not plug too many things into one outlet, since there is a risk of overloading the circuit at that outlet.

a)True

b)False

8. It is generally okay to use electrical devices around water if you use a good quality extension cord.

a)True

b)False

9. It is a good idea to not play around green transformer yard boxes or climb the fence around an
electrical substation

a)True

b)False

10. In the event that someone is being shocked by electricity you should never ________________.

a)Call an adult

b)Touch them

c)Call 991

d)Yell for help

11. Why is overloading an outlet not allowed?

a)It will make people stumble and hurt

b)It creates the risk of wire overheating and starting a fire

c)It makes the house messy.

d)It incurs huge electricity bills from too much energy.

12. The charger wire is so far from my bed. So, I can put it under the rug.

a)True

b)False

13. Don't touch an electrical devices when you are_____________

a)Angry

b)Busy

c)Wet

d)Sick

15. Can you destroy a battery?

a)Yes. It is just a piece of metal.

b)Yes. It will just leak water.

c)No. There are chemicals in the battery that may harm you

d)No. It might explode and cause a fire

14. Is this dangerous? Why?

a)Yes. The fork is made of metal. The child can get electrocuted.

b)Yes. You should not stick anything into a socket. The child can get electrocuted.

c)No. The fork is made of metal. Nothing will happen.

d)No. The switch is off. It is safe.

16. Can you still use this battery?

a)No. It has leaked.

b)No. It is out of energy.

c)Yes. It just needs to be cleaned.

d)Yes. This shows it is working well

17. What should you do with wet hands before touching electrical items?

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18. Read Pg 22-24 Star Science Textbook 6 and use the illustration to guide a discussion about the importance of handling electricity safely.