Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 129 · 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 heavy book does not move to a charged comb. (a) True (b) False
2. 2.🔍 Which is the odd one out? (a) dry hair (b) tiny paper bits (c) a brick (d) a thin water stream
3. 3.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) magnetism (c) static electricity (d) gravity
4. 4.⚖️ 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 measure it (c) we change it
5. 5.⚖️ 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
6. 6.⚖️ 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
7. 7.True or false: a magnet is needed for the static comb. (a) False (b) True
8. 8.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) a rubbed balloon (c) a rubbed plastic comb (d) plug points at home
9. 9.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
10. 10.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) a pebble (c) puffed rice (d) dry hair
11. 11.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
12. 12.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the same comb (b) the same hair (c) paper bits picked up (d) the paper bit size
13. 13.⚡ 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
14. 14.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) dew (c) the wind (d) lightning
15. 15.⚡ Why does the comb trick work best on a dry day? (a) wet hair is magnetic (b) water adds charge (c) damp air leaks charge (d) dry days are noisy
16. 16.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) a plastic comb (d) turmeric powder
17. 17.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
18. 18.🔍 Which is the odd one out? (a) tiny paper bits (b) a pebble (c) a brick (d) a heavy book
19. 19.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) indoors (c) under a tall tree (d) in an open field
20. 20.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
21. 21.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) yeast (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 mirror (b) tiny paper bits (c) a plastic comb (d) dry hair
23. 23.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
24. 24.True or false: a balloon is not needed for the static comb. (a) False (b) True
25. 25.⚖️ 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
26. 26.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
27. 27.True or false: a balloon is needed for the static comb. (a) False (b) True
28. 28.⚖️ 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
29. 29.⚡ Which of these jumps to a charged comb? (a) a pebble (b) puffed rice (c) a brick (d) a steel spoon
30. 30.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
31. 31.🔍 Which is the odd one out? (a) a steel spoon (b) a pebble (c) a brick (d) a thin water stream
32. 32.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is the one thing we change. (a) False (b) True
33. 33.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it works better (c) it hardly works (d) it lights up
34. 34.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
35. 35.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the paper bit size (b) number of rubs (c) paper bits picked up
36. 36.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) distance to the paper (b) number of rubs (c) the same comb (d) the same hair
37. 37.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
38. 38.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
39. 39.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a brick (c) a steel spoon (d) tiny paper bits
40. 40.🧺 Do we need vinegar for the static comb? (a) not needed (b) needed

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