Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 511 · 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: yeast is not needed for the static comb. (a) False (b) True
2. 2.⚖️ 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
3. 3.🧺 Which of these is needed for the static comb? (a) a battery cell (b) a plastic comb (c) a magnet (d) yeast
4. 4.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) on a rooftop (c) under a tall tree (d) indoors
5. 5.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) vinegar (c) tiny paper bits (d) dry hair
6. 6.🔍 Which is the odd one out? (a) a pebble (b) a thin water stream (c) a heavy book (d) a brick
7. 7.🔍 Which is the odd one out? (a) thermocol bits (b) tiny paper bits (c) dry hair (d) a heavy book
8. 8.True or false: a balloon is needed for the static comb. (a) True (b) False
9. 9.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
10. 10.True or false: a steel spoon jumps to a charged comb. (a) False (b) True
11. 11.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) a heavy book (c) thermocol bits (d) puffed rice
12. 12.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) thermocol bits (c) a brick (d) a steel spoon
13. 13.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) dew (c) the wind (d) lightning
14. 14.⚖️ 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 paper bit size (c) paper bits picked up (d) distance to the paper
15. 15.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
16. 16.⚡ A rubbed comb is held near dry hair. 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) a plastic comb (c) a balloon (d) tiny paper bits
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 change it (b) we measure it (c) we keep it the same
19. 19.🔮 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 stream bends (d) the water freezes
20. 20.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) dry hair (c) a pebble (d) a thin water stream
21. 21.🔮 Predict: you wet the comb before trying again. What happens? (a) it hardly works (b) it lights up (c) it works better (d) it becomes a magnet
22. 22.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
23. 23.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) number of rubs (b) the same hair (c) paper bits picked up (d) the same comb
24. 24.🧺 Which of these is needed for the static comb? (a) dry hair (b) a mirror (c) vinegar (d) turmeric powder
25. 25.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) paper bits on a comb (c) plug points at home (d) a rubbed plastic comb
26. 26.⚖️ 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
27. 27.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) turmeric powder (b) dry hair (c) a balloon (d) tiny paper bits
28. 28.True or false: a steel spoon does not move to a charged comb. (a) False (b) True
29. 29.⚖️ 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
30. 30.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it turns into water (c) it sticks for a while (d) it falls straight down
31. 31.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
32. 32.⚡ Which of these jumps to a charged comb? (a) tiny paper bits (b) a pebble (c) a heavy book (d) a steel spoon
33. 33.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a balloon (c) a plastic comb (d) turmeric powder
34. 34.🔍 Which is the odd one out? (a) dry hair (b) a pebble (c) thermocol bits (d) a thin water stream
35. 35.True or false: tiny paper bits is needed for the static comb. (a) False (b) True
36. 36.⚡ Why does the rubbed comb pull the paper bits? (a) it is hot (b) it is sticky (c) it is a magnet (d) it has static charge
37. 37.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
38. 38.⚖️ 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
39. 39.🔍 Which is the odd one out? (a) a steel spoon (b) a heavy book (c) a brick (d) dry hair
40. 40.True or false: dry hair does not move to a charged comb. (a) True (b) False

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