Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 218 · 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: a balloon is needed for the static comb. (a) True (b) False
2. 2.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) paper bits picked up (b) distance to the paper (c) the same hair (d) the paper bit size
3. 3.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it hardly works (c) it becomes a magnet (d) it lights up
4. 4.True or false: a plastic comb is needed for the static comb. (a) False (b) True
5. 5.🧺 Which of these is needed for the static comb? (a) vinegar (b) a magnet (c) turmeric powder (d) a balloon
6. 6.True or false: a steel spoon jumps to a charged comb. (a) True (b) False
7. 7.⚖️ 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
8. 8.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
9. 9.🛟 Static from a comb is safe. Which electricity must children never play with? (a) plug points at home (b) a rubbed plastic comb (c) a rubbed balloon (d) paper bits on a comb
10. 10.⚖️ 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
11. 11.🧺 Which of these is not needed for the static comb? (a) a mirror (b) a plastic comb (c) tiny paper bits (d) dry hair
12. 12.🧺 Which of these is needed for the static comb? (a) tiny paper bits (b) a battery cell (c) turmeric powder (d) a magnet
13. 13.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) turmeric powder (c) tiny paper bits (d) dry hair
14. 14.🔍 Which is the odd one out? (a) tiny paper bits (b) a steel spoon (c) thermocol bits (d) a thin water stream
15. 15.⚖️ 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
16. 16.True or false: dry hair jumps to a charged comb. (a) True (b) False
17. 17.⚡ Why does the rubbed comb pull the paper bits? (a) it is sticky (b) it is hot (c) it has static charge (d) it is a magnet
18. 18.True or false: a heavy book jumps to a charged comb. (a) False (b) True
19. 19.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a magnet (c) dry hair (d) tiny paper bits
20. 20.⚖️ 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) distance to the paper (d) paper bits picked up
21. 21.🔍 Which is the odd one out? (a) a steel spoon (b) a brick (c) a pebble (d) thermocol bits
22. 22.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
23. 23.🧺 Which of these is needed for the static comb? (a) a plastic comb (b) a battery cell (c) yeast (d) turmeric powder
24. 24.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a plastic comb (c) dry hair (d) a mirror
25. 25.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) magnetism (c) static electricity (d) sunlight
26. 26.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
27. 27.⚡ Why does the comb trick work best on a dry day? (a) water adds charge (b) damp air leaks charge (c) dry days are noisy (d) wet hair is magnetic
28. 28.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it turns into water (b) it bursts at once (c) it sticks for a while (d) it falls straight down
29. 29.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a plastic comb (c) dry hair (d) a battery cell
30. 30.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) under a tall tree (c) indoors (d) on a rooftop
31. 31.⚖️ 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
32. 32.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) paper bits picked up (b) number of rubs (c) the paper bit size
33. 33.🔍 Which is the odd one out? (a) a heavy book (b) tiny paper bits (c) dry hair (d) puffed rice
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 keep it the same (b) we change it (c) we measure it
35. 35.True or false: a magnet is not needed for the static comb. (a) False (b) True
36. 36.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a plastic comb (c) tiny paper bits (d) yeast
37. 37.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we keep it the same (b) we measure it (c) we change it
38. 38.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
39. 39.True or false: a mirror is needed for the static comb. (a) True (b) False
40. 40.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb

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