Electronics Worksheet: Electrical Safety

Electronics lesson 2: Electrical safety · Set 102 · 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 dry your hands first is safe. (a) False (b) True
2. 2.⚠️ Is it safe to stay away from pylons? (a) not safe (b) safe
3. 3.🔍 Which is the odd one out? (a) climb an electric pole (b) use a cable with cuts (c) touch a fallen wire (d) dry your hands first
4. 4.True or false: to stop if a part gets hot is not safe. (a) True (b) False
5. 5.⚠️ Which power source should children use for electronics projects? (a) a small battery pack (b) a wall socket (c) an inverter socket (d) a mains extension board
6. 6.⚠️ Is it safe to climb an electric pole? (a) safe (b) not safe
7. 7.🔍 Which is the odd one out? (a) stay away from pylons (b) fly kites in open fields (c) fly a kite near wires (d) build with an adult near
8. 8.True or false: to build with an adult near is safe. (a) True (b) False
9. 9.True or false: to touch a switch when wet is safe. (a) True (b) False
10. 10.🔍 Which is the odd one out? (a) fly kites in open fields (b) climb an electric pole (c) use small battery cells (d) build with an adult near
11. 11.True or false: to fly kites in open fields is not safe. (a) True (b) False
12. 12.Which of these is not safe? (a) climb an electric pole (b) build with an adult near (c) keep drinks far away (d) fly kites in open fields
13. 13.True or false: to use a cable with cuts is not safe. (a) False (b) True
14. 14.🔍 Which is the odd one out? (a) take cells out after use (b) use mains for a project (c) dry your hands first (d) fly kites in open fields
15. 15.⚠️ Is it safe to use a cable with cuts? (a) not safe (b) safe
16. 16.🔍 Which is the odd one out? (a) touch a fallen wire (b) climb an electric pole (c) take cells out after use (d) touch a switch when wet
17. 17.True or false: to poke things in a socket is safe. (a) True (b) False
18. 18.⚠️ A cell gets hot when its + and − ends are joined by a bare wire. What is this called? (a) an open circuit (b) a safe circuit (c) a short circuit (d) a parallel circuit
19. 19.Which of these is safe? (a) climb an electric pole (b) use a cable with cuts (c) touch a fallen wire (d) stop if a part gets hot
20. 20.⚠️ Is it safe to open a phone charger? (a) not safe (b) safe
21. 21.Which of these is safe? (a) poke things in a socket (b) climb an electric pole (c) use a cable with cuts (d) stay away from pylons
22. 22.⚠️ Is it safe to throw cells in a fire? (a) safe (b) not safe
23. 23.True or false: to touch a fallen wire is not safe. (a) False (b) True
24. 24.🔍 Which is the odd one out? (a) use a cable with cuts (b) open a phone charger (c) fly kites in open fields (d) throw cells in a fire
25. 25.⚠️ Is it safe to take cells out after use? (a) not safe (b) safe
26. 26.⚠️ Is it safe to use mains for a project? (a) not safe (b) safe
27. 27.🔍 Which is the odd one out? (a) stop if a part gets hot (b) dry your hands first (c) take cells out after use (d) throw cells in a fire
28. 28.True or false: to build with an adult near is not safe. (a) False (b) True
29. 29.Which of these is safe? (a) poke things in a socket (b) throw cells in a fire (c) touch a switch when wet (d) build with an adult near
30. 30.Which of these is safe? (a) touch a fallen wire (b) fly a kite near wires (c) poke things in a socket (d) keep drinks far away
31. 31.⚠️ What protects home wiring by melting or tripping when too much current flows? (a) a long wire (b) a plug top (c) a bulb (d) a fuse or MCB
32. 32.⚠️ Why must we never touch switches with wet hands? (a) it spoils the paint (b) water makes it cold (c) water carries current (d) it is just untidy
33. 33.🔍 Which is the odd one out? (a) use a cable with cuts (b) poke things in a socket (c) open a phone charger (d) stay away from pylons
34. 34.⚠️ Is it safe to dry your hands first? (a) not safe (b) safe
35. 35.True or false: to open a phone charger is safe. (a) False (b) True
36. 36.⚠️ Is it safe to touch a switch when wet? (a) not safe (b) safe
37. 37.🔍 Which is the odd one out? (a) throw cells in a fire (b) open a phone charger (c) use small battery cells (d) touch a fallen wire
38. 38.🔍 Which is the odd one out? (a) climb an electric pole (b) build with an adult near (c) poke things in a socket (d) touch a fallen wire
39. 39.🔍 Which is the odd one out? (a) keep drinks far away (b) fly kites in open fields (c) dry your hands first (d) open a phone charger
40. 40.⚠️ Who should be with you when you build a circuit? (a) a younger child (b) a trusted adult (c) a stranger online (d) nobody

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