Electronics Worksheet: Electrical Safety

Electronics lesson 2: Electrical safety · Set 388 · 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.⚠️ Is it safe to use a cable with cuts? (a) safe (b) not safe
2. 2.🔍 Which is the odd one out? (a) touch a fallen wire (b) use small battery cells (c) keep drinks far away (d) take cells out after use
3. 3.⚠️ Why must we never touch switches with wet hands? (a) it is just untidy (b) it spoils the paint (c) water carries current (d) water makes it cold
4. 4.⚠️ Is it safe to use small battery cells? (a) safe (b) not safe
5. 5.True or false: to throw cells in a fire is safe. (a) False (b) True
6. 6.Which of these is not safe? (a) take cells out after use (b) fly kites in open fields (c) open a phone charger (d) stop if a part gets hot
7. 7.⚠️ What protects home wiring by melting or tripping when too much current flows? (a) a fuse or MCB (b) a long wire (c) a plug top (d) a bulb
8. 8.True or false: to touch a switch when wet is safe. (a) True (b) False
9. 9.⚠️ Which power source should children use for electronics projects? (a) an inverter socket (b) a wall socket (c) a small battery pack (d) a mains extension board
10. 10.⚠️ Is it safe to open a phone charger? (a) safe (b) not safe
11. 11.True or false: to dry your hands first is safe. (a) True (b) False
12. 12.🔍 Which is the odd one out? (a) touch a switch when wet (b) open a phone charger (c) touch a fallen wire (d) stop if a part gets hot
13. 13.True or false: to use small battery cells is not safe. (a) True (b) False
14. 14.True or false: to climb an electric pole is safe. (a) True (b) False
15. 15.Which of these is not safe? (a) climb an electric pole (b) use small battery cells (c) stay away from pylons (d) stop if a part gets hot
16. 16.Which of these is safe? (a) poke things in a socket (b) touch a fallen wire (c) stay away from pylons (d) use mains for a project
17. 17.⚠️ Is it safe to stay away from pylons? (a) safe (b) not safe
18. 18.🔍 Which is the odd one out? (a) fly kites in open fields (b) stay away from pylons (c) touch a switch when wet (d) stop if a part gets hot
19. 19.🔍 Which is the odd one out? (a) climb an electric pole (b) take cells out after use (c) touch a fallen wire (d) fly a kite near wires
20. 20.Which of these is safe? (a) poke things in a socket (b) touch a switch when wet (c) fly kites in open fields (d) use mains for a project
21. 21.Which of these is not safe? (a) stop if a part gets hot (b) fly kites in open fields (c) throw cells in a fire (d) keep drinks far away
22. 22.Which of these is safe? (a) poke things in a socket (b) touch a switch when wet (c) use a cable with cuts (d) stop if a part gets hot
23. 23.🔍 Which is the odd one out? (a) stop if a part gets hot (b) throw cells in a fire (c) build with an adult near (d) dry your hands first
24. 24.True or false: to touch a fallen wire is not safe. (a) False (b) True
25. 25.⚠️ Is it safe to climb an electric pole? (a) safe (b) not safe
26. 26.⚠️ Is it safe to fly kites in open fields? (a) safe (b) not safe
27. 27.Which of these is safe? (a) fly a kite near wires (b) use a cable with cuts (c) open a phone charger (d) use small battery cells
28. 28.⚠️ A cell gets hot when its + and − ends are joined by a bare wire. What is this called? (a) a safe circuit (b) a parallel circuit (c) an open circuit (d) a short circuit
29. 29.⚠️ Is it safe to take cells out after use? (a) safe (b) not safe
30. 30.True or false: to touch a switch when wet is not safe. (a) True (b) False
31. 31.⚠️ Is it safe to build with an adult near? (a) not safe (b) safe
32. 32.True or false: to keep drinks far away is safe. (a) True (b) False
33. 33.True or false: to fly kites in open fields is not safe. (a) True (b) False
34. 34.🔍 Which is the odd one out? (a) dry your hands first (b) use small battery cells (c) build with an adult near (d) use mains for a project
35. 35.True or false: to use mains for a project is safe. (a) True (b) False
36. 36.True or false: to keep drinks far away is not safe. (a) True (b) False
37. 37.Which of these is safe? (a) fly a kite near wires (b) touch a fallen wire (c) take cells out after use (d) poke things in a socket
38. 38.🔍 Which is the odd one out? (a) build with an adult near (b) poke things in a socket (c) use small battery cells (d) stay away from pylons
39. 39.🔍 Which is the odd one out? (a) climb an electric pole (b) stay away from pylons (c) use small battery cells (d) keep drinks far away
40. 40.True or false: to stay away from pylons is safe. (a) False (b) True

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