Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 814 · 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.🛟 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
2. 2.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is what we measure. (a) True (b) False
3. 3.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) tiny paper bits (c) a pebble (d) puffed rice
4. 4.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
5. 5.⚖️ 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 keep it the same (c) we measure it
6. 6.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) a magnet (d) dry hair
7. 7.True or false: turmeric powder is not needed for the static comb. (a) True (b) False
8. 8.True or false: tiny paper bits jumps to a charged comb. (a) True (b) False
9. 9.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) a balloon (c) tiny paper bits (d) vinegar
10. 10.True or false: yeast is not needed for the static comb. (a) False (b) True
11. 11.🛟 Static from a comb is safe. Which electricity must children never play with? (a) plug points at home (b) a rubbed balloon (c) paper bits on a comb (d) a rubbed plastic comb
12. 12.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
13. 13.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we measure it (b) we change it (c) we keep it the same
14. 14.⚡ Which big natural spark is caused by static electricity? (a) the wind (b) dew (c) lightning (d) a rainbow
15. 15.True or false: puffed rice does not move to a charged comb. (a) True (b) False
16. 16.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) yeast (b) dry hair (c) a balloon (d) a plastic comb
17. 17.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
18. 18.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
19. 19.True or false: dry hair is needed for the static comb. (a) True (b) False
20. 20.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is kept the same. (a) False (b) True
21. 21.🧺 Which of these is not needed for the static comb? (a) a magnet (b) a plastic comb (c) a balloon (d) tiny paper bits
22. 22.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) dry hair (d) turmeric powder
23. 23.🧺 Which of these is needed for the static comb? (a) tiny paper bits (b) vinegar (c) turmeric powder (d) a battery cell
24. 24.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a mirror (c) a plastic comb (d) tiny paper bits
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.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is what we measure. (a) True (b) False
27. 27.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
28. 28.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a pebble (c) a heavy book (d) tiny paper bits
29. 29.🔍 Which is the odd one out? (a) a heavy book (b) a brick (c) a steel spoon (d) thermocol bits
30. 30.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) gravity (c) magnetism (d) static electricity
31. 31.⚖️ 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
32. 32.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
33. 33.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we measure it (b) we keep it the same (c) we change it
34. 34.⚖️ 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 keep it the same (c) we change it
35. 35.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it lights up (c) it hardly works (d) it works better
36. 36.True or false: a heavy book jumps to a charged comb. (a) True (b) False
37. 37.True or false: dry hair does not move to a charged comb. (a) True (b) False
38. 38.⚡ Why does the rubbed comb pull the paper bits? (a) it is a magnet (b) it is hot (c) it is sticky (d) it has static charge
39. 39.True or false: tiny paper bits is needed for the static comb. (a) False (b) True
40. 40.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) nothing at all (b) the stream bends (c) the water stops (d) the water freezes

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