Electronics Worksheet: Electrical Safety

Electronics lesson 2: Electrical safety · Set 858 · 40 questions

Remember (Low, dry, with an adult): Never use mains sockets (about 230 V) for projects; never open chargers or poke into sockets. Water carries current: dry hands, no drinks near circuits, no switches when wet. Use small battery cells with an adult; stop if a part gets hot; keep away from fallen wires, poles and kites near power lines.

1. 1.True or false: to open a phone charger is safe. (a) False (b) True
2. 2.⚠️ What protects home wiring by melting or tripping when too much current flows? (a) a fuse or MCB (b) a bulb (c) a plug top (d) a long wire
3. 3.⚠️ A cell gets hot when its + and − ends are joined by a bare wire. What is this called? (a) a parallel circuit (b) an open circuit (c) a safe circuit (d) a short circuit
4. 4.🔍 Which is the odd one out? (a) climb an electric pole (b) touch a switch when wet (c) stay away from pylons (d) throw cells in a fire
5. 5.Which of these is not safe? (a) climb an electric pole (b) keep drinks far away (c) stay away from pylons (d) fly kites in open fields
6. 6.🔍 Which is the odd one out? (a) touch a switch when wet (b) touch a fallen wire (c) fly a kite near wires (d) keep drinks far away
7. 7.True or false: to build with an adult near is not safe. (a) False (b) True
8. 8.🔍 Which is the odd one out? (a) take cells out after use (b) poke things in a socket (c) build with an adult near (d) stay away from pylons
9. 9.Which of these is not safe? (a) throw cells in a fire (b) dry your hands first (c) keep drinks far away (d) build with an adult near
10. 10.True or false: to stop if a part gets hot is not safe. (a) False (b) True
11. 11.True or false: to touch a fallen wire is safe. (a) False (b) True
12. 12.⚠️ Who should be with you when you build a circuit? (a) a trusted adult (b) a younger child (c) a stranger online (d) nobody
13. 13.True or false: to use a cable with cuts is not safe. (a) False (b) True
14. 14.True or false: to build with an adult near is safe. (a) False (b) True
15. 15.⚠️ Is it safe to use mains for a project? (a) not safe (b) safe
16. 16.🔍 Which is the odd one out? (a) stay away from pylons (b) dry your hands first (c) build with an adult near (d) use a cable with cuts
17. 17.True or false: to fly a kite near wires is not safe. (a) False (b) True
18. 18.🔍 Which is the odd one out? (a) fly a kite near wires (b) use a cable with cuts (c) dry your hands first (d) open a phone charger
19. 19.⚠️ Is it safe to open a phone charger? (a) safe (b) not safe
20. 20.Which of these is safe? (a) open a phone charger (b) fly a kite near wires (c) stop if a part gets hot (d) touch a fallen wire
21. 21.⚠️ Is it safe to poke things in a socket? (a) safe (b) not safe
22. 22.⚠️ Why must we never touch switches with wet hands? (a) it spoils the paint (b) water makes it cold (c) it is just untidy (d) water carries current
23. 23.True or false: to touch a fallen wire is not safe. (a) True (b) False
24. 24.⚠️ Someone is getting a shock and is still touching a wire. What should you do? (a) pull them by the hand (b) pour water on them (c) wait and watch (d) shout for an adult
25. 25.🔍 Which is the odd one out? (a) use small battery cells (b) build with an adult near (c) take cells out after use (d) throw cells in a fire
26. 26.⚠️ Is it safe to stay away from pylons? (a) not safe (b) safe
27. 27.True or false: to poke things in a socket is safe. (a) True (b) False
28. 28.Which of these is safe? (a) open a phone charger (b) touch a fallen wire (c) build with an adult near (d) touch a switch when wet
29. 29.Which of these is not safe? (a) dry your hands first (b) touch a fallen wire (c) stop if a part gets hot (d) use small battery cells
30. 30.True or false: to dry your hands first is not safe. (a) False (b) True
31. 31.⚠️ Is it safe to throw cells in a fire? (a) not safe (b) safe
32. 32.🔍 Which is the odd one out? (a) build with an adult near (b) fly kites in open fields (c) climb an electric pole (d) stop if a part gets hot
33. 33.⚠️ Is it safe to use small battery cells? (a) safe (b) not safe
34. 34.True or false: to use small battery cells is not safe. (a) True (b) False
35. 35.Which of these is safe? (a) climb an electric pole (b) poke things in a socket (c) open a phone charger (d) take cells out after use
36. 36.True or false: to open a phone charger is not safe. (a) False (b) True
37. 37.⚠️ Is it safe to keep drinks far away? (a) not safe (b) safe
38. 38.⚠️ Is it safe to touch a fallen wire? (a) not safe (b) safe
39. 39.⚠️ Is it safe to fly a kite near wires? (a) safe (b) not safe
40. 40.Which of these is not safe? (a) use a cable with cuts (b) fly kites in open fields (c) build with an adult near (d) dry your hands first

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