Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 956 · 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.🔍 Which is the odd one out? (a) a steel spoon (b) a heavy book (c) a pebble (d) puffed rice
2. 2.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
3. 3.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) plug points at home (c) a rubbed plastic comb (d) a rubbed balloon
4. 4.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
5. 5.⚡ Which of these does not move to a charged comb? (a) a pebble (b) tiny paper bits (c) thermocol bits (d) puffed rice
6. 6.🧺 Which of these is needed for the static comb? (a) a magnet (b) yeast (c) a mirror (d) dry hair
7. 7.⚡ Why does the rubbed comb pull the paper bits? (a) it is a magnet (b) it has static charge (c) it is hot (d) it is sticky
8. 8.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) dry hair (c) a magnet (d) a balloon
9. 9.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) on a rooftop (c) under a tall tree (d) in an open field
10. 10.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) dry hair (c) thermocol bits (d) a brick
11. 11.⚡ A rubbed comb is held near a brick. 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? What do we do with “the same comb”? (a) we change it (b) we measure it (c) we keep it the same
13. 13.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) nothing at all (b) the water freezes (c) the water stops (d) the stream bends
14. 14.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) vinegar (b) tiny paper bits (c) dry hair (d) a plastic comb
15. 15.🔍 Which is the odd one out? (a) a brick (b) a thin water stream (c) puffed rice (d) dry hair
16. 16.True or false: a balloon is needed for the static comb. (a) True (b) False
17. 17.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
18. 18.True or false: a plastic comb is not needed for the static comb. (a) False (b) True
19. 19.⚖️ 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) the same comb (c) the same hair (d) number of rubs
20. 20.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
21. 21.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
22. 22.🧺 Which of these is not needed for the static comb? (a) a balloon (b) a plastic comb (c) dry hair (d) a mirror
23. 23.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is what we measure. (a) True (b) False
24. 24.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
25. 25.⚡ Why does the comb trick work best on a dry day? (a) wet hair is magnetic (b) dry days are noisy (c) water adds charge (d) damp air leaks charge
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.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) tiny paper bits (c) a balloon (d) vinegar
28. 28.⚖️ 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 hair (b) the paper bit size (c) number of rubs (d) paper bits picked up
29. 29.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
30. 30.🔍 Which is the odd one out? (a) a heavy book (b) a steel spoon (c) tiny paper bits (d) a pebble
31. 31.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a pebble (c) a heavy book (d) tiny paper bits
32. 32.🔮 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
33. 33.🧺 Which of these is needed for the static comb? (a) vinegar (b) yeast (c) a mirror (d) tiny paper bits
34. 34.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) dry hair (c) a heavy book (d) tiny paper bits
35. 35.True or false: a heavy book does not move to a charged comb. (a) True (b) False
36. 36.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we change it (b) we keep it the same (c) we measure it
37. 37.True or false: a pebble jumps to a charged comb. (a) False (b) True
38. 38.True or false: yeast is needed for the static comb. (a) False (b) True
39. 39.⚖️ 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) False (b) True
40. 40.⚖️ 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

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