Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 463 · 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.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) number of rubs (b) paper bits picked up (c) the same comb
2. 2.⚡ Which big natural spark is caused by static electricity? (a) dew (b) the wind (c) a rainbow (d) lightning
3. 3.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
4. 4.True or false: a heavy book jumps to a charged comb. (a) False (b) True
5. 5.True or false: tiny paper bits does not move to a charged comb. (a) True (b) False
6. 6.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) under a tall tree (c) indoors (d) in an open field
7. 7.⚡ Which of these does not move to a charged comb? (a) a brick (b) thermocol bits (c) a thin water stream (d) tiny paper bits
8. 8.⚖️ 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) True (b) False
9. 9.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) the same comb (b) number of rubs (c) the paper bit size (d) distance to the paper
10. 10.⚡ Which of these does not move to a charged comb? (a) a pebble (b) tiny paper bits (c) dry hair (d) a thin water stream
11. 11.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is the one thing we change. (a) False (b) True
12. 12.🔍 Which is the odd one out? (a) a thin water stream (b) a steel spoon (c) a brick (d) a heavy book
13. 13.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
14. 14.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) yeast (c) dry hair (d) tiny paper bits
15. 15.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) puffed rice (c) a steel spoon (d) a thin water stream
16. 16.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn blue (b) they turn wet (c) the bits jump to it (d) nothing happens
17. 17.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
18. 18.True or false: a heavy book does not move to a charged comb. (a) False (b) True
19. 19.🛟 Static from a comb is safe. Which electricity must children never play with? (a) plug points at home (b) paper bits on a comb (c) a rubbed plastic comb (d) a rubbed balloon
20. 20.True or false: turmeric powder is needed for the static comb. (a) False (b) True
21. 21.🧺 Which of these is needed for the static comb? (a) a battery cell (b) yeast (c) tiny paper bits (d) a mirror
22. 22.True or false: a brick does not move to a charged comb. (a) True (b) False
23. 23.⚖️ 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
24. 24.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
25. 25.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
26. 26.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
27. 27.True or false: a mirror is not needed for the static comb. (a) True (b) False
28. 28.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) distance to the paper (b) paper bits picked up (c) number of rubs
29. 29.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we measure it (b) we change it (c) we keep it the same
30. 30.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
31. 31.🔮 Predict: you wet the comb before trying again. What happens? (a) it hardly works (b) it works better (c) it becomes a magnet (d) it lights up
32. 32.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is kept the same. (a) True (b) False
33. 33.True or false: a plastic comb is needed for the static comb. (a) True (b) False
34. 34.🔍 Which is the odd one out? (a) a steel spoon (b) thermocol bits (c) tiny paper bits (d) dry hair
35. 35.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
36. 36.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) nothing at all (c) the water freezes (d) the stream bends
37. 37.True or false: a magnet is not needed for the static comb. (a) False (b) True
38. 38.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) turmeric powder (d) tiny paper bits
39. 39.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
40. 40.True or false: dry hair jumps to a charged comb. (a) False (b) True

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