Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 890 · 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: puffed rice does not move to a charged comb. (a) True (b) False
2. 2.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water freezes (b) the water stops (c) nothing at all (d) the stream bends
3. 3.⚡ Why does the rubbed comb pull the paper bits? (a) it is a magnet (b) it is sticky (c) it is hot (d) it has static charge
4. 4.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is kept the same. (a) False (b) True
5. 5.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it becomes a magnet (c) it lights up (d) it hardly works
6. 6.True or false: a balloon is needed for the static comb. (a) False (b) True
7. 7.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
8. 8.⚡ Which of these jumps to a charged comb? (a) a brick (b) a heavy book (c) a pebble (d) puffed rice
9. 9.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
10. 10.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
11. 11.⚖️ 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
12. 12.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we change it (b) we measure it (c) we keep it the same
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) number of rubs (b) paper bits picked up (c) the same comb (d) the same hair
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 keep it the same (b) we change it (c) we measure it
15. 15.⚖️ 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) True (b) False
16. 16.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) dry hair (c) a heavy book (d) a thin water stream
17. 17.⚖️ 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 paper bit size (c) paper bits picked up (d) number of rubs
18. 18.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) vinegar (b) a plastic comb (c) tiny paper bits (d) dry hair
19. 19.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) a rubbed balloon (c) plug points at home (d) paper bits on a comb
20. 20.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
21. 21.True or false: turmeric powder is needed for the static comb. (a) True (b) False
22. 22.🧺 Which of these is needed for the static comb? (a) a magnet (b) a battery cell (c) a plastic comb (d) a mirror
23. 23.⚡ Which big natural spark is caused by static electricity? (a) dew (b) the wind (c) a rainbow (d) lightning
24. 24.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
25. 25.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
26. 26.🔍 Which is the odd one out? (a) a thin water stream (b) tiny paper bits (c) puffed rice (d) a pebble
27. 27.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) dry hair (c) a plastic comb (d) a battery cell
28. 28.True or false: a thin water stream jumps to a charged comb. (a) False (b) True
29. 29.🧺 Which of these is not needed for the static comb? (a) a balloon (b) a plastic comb (c) dry hair (d) a mirror
30. 30.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is what we measure. (a) False (b) True
31. 31.🧺 Which of these is not needed for the static comb? (a) a balloon (b) vinegar (c) dry hair (d) a plastic comb
32. 32.🔍 Which is the odd one out? (a) tiny paper bits (b) a brick (c) puffed rice (d) thermocol bits
33. 33.True or false: a steel spoon does not move to a charged comb. (a) False (b) True
34. 34.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) a mirror (d) dry hair
35. 35.🧺 Which of these is needed for the static comb? (a) a mirror (b) yeast (c) turmeric powder (d) dry hair
36. 36.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is the one thing we change. (a) True (b) False
37. 37.True or false: a balloon is not needed for the static comb. (a) True (b) False
38. 38.🧺 Which of these is not needed for the static comb? (a) yeast (b) tiny paper bits (c) a plastic comb (d) dry hair
39. 39.True or false: vinegar is not needed for the static comb. (a) True (b) False
40. 40.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed

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