Static Electricity Experiment Worksheet

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

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