Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 643 · 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.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
2. 2.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
3. 3.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) under a tall tree (c) on a rooftop (d) indoors
4. 4.True or false: vinegar is needed for the static comb. (a) False (b) True
5. 5.🔍 Which is the odd one out? (a) a pebble (b) dry hair (c) puffed rice (d) tiny paper bits
6. 6.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) plug points at home (c) a rubbed balloon (d) paper bits on a comb
7. 7.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we measure it (b) we change it (c) we keep it the same
8. 8.🔍 Which is the odd one out? (a) tiny paper bits (b) a pebble (c) a heavy book (d) a brick
9. 9.⚡ A rubbed comb is held near a heavy book. What happens? (a) does not move (b) jumps to the comb
10. 10.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water freezes (b) the stream bends (c) nothing at all (d) the water stops
11. 11.True or false: puffed rice does not move to a charged comb. (a) True (b) False
12. 12.🧺 Which of these is not needed for the static comb? (a) a balloon (b) dry hair (c) tiny paper bits (d) a battery cell
13. 13.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a battery cell (c) a plastic comb (d) a magnet
14. 14.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a battery cell (b) dry hair (c) a plastic comb (d) tiny paper bits
15. 15.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the same hair (b) the same comb (c) distance to the paper (d) paper bits picked up
16. 16.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we change it (b) we measure it (c) we keep it the same
17. 17.True or false: a magnet is not needed for the static comb. (a) False (b) True
18. 18.🔍 Which is the odd one out? (a) tiny paper bits (b) puffed rice (c) thermocol bits (d) a steel spoon
19. 19.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) they turn blue (c) the bits jump to it (d) nothing happens
20. 20.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
21. 21.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) yeast (c) tiny paper bits (d) a balloon
22. 22.⚡ Which big natural spark is caused by static electricity? (a) lightning (b) the wind (c) dew (d) a rainbow
23. 23.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) dry hair (c) a brick (d) tiny paper bits
24. 24.🔍 Which is the odd one out? (a) a brick (b) a steel spoon (c) puffed rice (d) a heavy book
25. 25.⚖️ 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) the same comb (c) paper bits picked up (d) number of rubs
26. 26.🧺 Which of these is not needed for the static comb? (a) a balloon (b) turmeric powder (c) tiny paper bits (d) dry hair
27. 27.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
28. 28.🔮 Predict: you wet the comb before trying again. What happens? (a) it hardly works (b) it becomes a magnet (c) it lights up (d) it works better
29. 29.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
30. 30.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
31. 31.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
32. 32.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
33. 33.⚡ Why does the rubbed comb pull the paper bits? (a) it is hot (b) it is a magnet (c) it is sticky (d) it has static charge
34. 34.🧺 Which of these is not needed for the static comb? (a) a balloon (b) dry hair (c) a mirror (d) tiny paper bits
35. 35.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
36. 36.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it turns into water (b) it falls straight down (c) it bursts at once (d) it sticks for a while
37. 37.True or false: tiny paper bits does not move to a charged comb. (a) True (b) False
38. 38.True or false: a battery cell is needed for the static comb. (a) True (b) False
39. 39.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we measure it (b) we keep it the same (c) we change it
40. 40.True or false: a steel spoon jumps to a charged comb. (a) False (b) True

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