Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 697 · 40 questions

What you do (Rub and charge): 1. Tear a sheet of paper into tiny bits on a table. 2. Comb dry, clean hair quickly 10 times. 3. Hold the comb just above the paper bits and watch. 4. Try again with 20 combs, and count the bits each time.

1. 1.True or false: a plastic comb is needed for the static comb. (a) False (b) True
2. 2.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) static electricity (c) gravity (d) sunlight
3. 3.🔍 Which is the odd one out? (a) a brick (b) a steel spoon (c) a heavy book (d) thermocol bits
4. 4.⚡ Why does the rubbed comb pull the paper bits? (a) it has static charge (b) it is a magnet (c) it is hot (d) it is sticky
5. 5.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a heavy book (c) dry hair (d) a brick
6. 6.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a battery cell (c) dry hair (d) tiny paper bits
7. 7.⚡ Which of these jumps to a charged comb? (a) thermocol bits (b) a steel spoon (c) a pebble (d) a brick
8. 8.🧺 Which of these is needed for the static comb? (a) a battery cell (b) vinegar (c) tiny paper bits (d) turmeric powder
9. 9.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) nothing at all (b) the water stops (c) the water freezes (d) the stream bends
10. 10.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it bursts at once (c) it sticks for a while (d) it turns into water
11. 11.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we keep it the same (b) we measure it (c) we change it
12. 12.True or false: a heavy book jumps to a charged comb. (a) True (b) False
13. 13.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) the paper bit size (b) distance to the paper (c) number of rubs (d) the same comb
14. 14.⚡ A rubbed comb is held near a heavy book. What happens? (a) does not move (b) jumps to the comb
15. 15.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) in an open field (c) indoors (d) on a rooftop
16. 16.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
17. 17.🧺 Which of these is not needed for the static comb? (a) yeast (b) dry hair (c) a plastic comb (d) tiny paper bits
18. 18.True or false: dry hair does not move to a charged comb. (a) False (b) True
19. 19.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
20. 20.True or false: a thin water stream jumps to a charged comb. (a) False (b) True
21. 21.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we change it (b) we keep it the same (c) we measure it
22. 22.🔍 Which is the odd one out? (a) thermocol bits (b) a steel spoon (c) puffed rice (d) dry hair
23. 23.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
24. 24.True or false: tiny paper bits is needed for the static comb. (a) False (b) True
25. 25.🧺 Which of these is not needed for the static comb? (a) a balloon (b) vinegar (c) dry hair (d) a plastic comb
26. 26.🔍 Which is the odd one out? (a) a pebble (b) tiny paper bits (c) thermocol bits (d) a thin water stream
27. 27.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is kept the same. (a) False (b) True
28. 28.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
29. 29.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we keep it the same (b) we change it (c) we measure it
30. 30.🔍 Which is the odd one out? (a) a steel spoon (b) a thin water stream (c) a pebble (d) a heavy book
31. 31.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a balloon (c) a magnet (d) tiny paper bits
32. 32.🧺 Which of these is not needed for the static comb? (a) a balloon (b) dry hair (c) a battery cell (d) tiny paper bits
33. 33.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is kept the same. (a) False (b) True
34. 34.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) puffed rice (c) a steel spoon (d) thermocol bits
35. 35.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) plug points at home (c) a rubbed plastic comb (d) paper bits on a comb
36. 36.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) the bits jump to it (b) nothing happens (c) they turn wet (d) they turn blue
37. 37.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we keep it the same (b) we change it (c) we measure it
38. 38.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it hardly works (c) it becomes a magnet (d) it works better
39. 39.🔍 Which is the odd one out? (a) a heavy book (b) a steel spoon (c) a brick (d) puffed rice
40. 40.🧺 Which of these is needed for the static comb? (a) a magnet (b) dry hair (c) vinegar (d) a mirror

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