Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 985 · 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.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
2. 2.🔍 Which is the odd one out? (a) dry hair (b) a steel spoon (c) thermocol bits (d) tiny paper bits
3. 3.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) tiny paper bits (c) a heavy book (d) dry hair
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 change it (b) we keep it the same (c) we measure it
5. 5.⚡ Which of these jumps to a charged comb? (a) a brick (b) a pebble (c) tiny paper bits (d) a steel spoon
6. 6.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the same hair (b) distance to the paper (c) the same comb (d) paper bits picked up
7. 7.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we change it (b) we keep it the same (c) we measure it
8. 8.🔍 Which is the odd one out? (a) a heavy book (b) a steel spoon (c) a pebble (d) a thin water stream
9. 9.⚡ Which big natural spark is caused by static electricity? (a) the wind (b) dew (c) a rainbow (d) lightning
10. 10.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we change it (b) we measure it (c) we keep it the same
11. 11.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a plastic comb (c) tiny paper bits (d) a battery cell
12. 12.⚖️ 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
13. 13.True or false: dry hair jumps to a charged comb. (a) True (b) False
14. 14.True or false: tiny paper bits does not move to a charged comb. (a) True (b) False
15. 15.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
16. 16.🔍 Which is the odd one out? (a) tiny paper bits (b) thermocol bits (c) puffed rice (d) a heavy book
17. 17.⚖️ 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) False (b) True
18. 18.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) yeast (c) dry hair (d) a plastic comb
19. 19.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is kept the same. (a) True (b) False
20. 20.🛟 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 balloon (d) a rubbed plastic comb
21. 21.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) dry hair (c) turmeric powder (d) a balloon
22. 22.True or false: yeast is needed for the static comb. (a) True (b) False
23. 23.True or false: a steel spoon does not move to a charged comb. (a) False (b) True
24. 24.True or false: vinegar is not needed for the static comb. (a) True (b) False
25. 25.⚡ 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
26. 26.⚡ Why does the rubbed comb pull the paper bits? (a) it is hot (b) it is a magnet (c) it has static charge (d) it is sticky
27. 27.🛟 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
28. 28.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a balloon (c) vinegar (d) a plastic comb
29. 29.True or false: turmeric powder is needed for the static comb. (a) False (b) True
30. 30.⚖️ 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
31. 31.🧺 Which of these is needed for the static comb? (a) yeast (b) vinegar (c) a plastic comb (d) a mirror
32. 32.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
33. 33.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) nothing happens (b) the bits jump to it (c) they turn wet (d) they turn blue
34. 34.True or false: a magnet is needed for the static comb. (a) False (b) True
35. 35.🔍 Which is the odd one out? (a) thermocol bits (b) a heavy book (c) a brick (d) a steel spoon
36. 36.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a balloon (c) a plastic comb (d) a mirror
37. 37.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a balloon (c) tiny paper bits (d) a magnet
38. 38.True or false: a magnet is not needed for the static comb. (a) True (b) False
39. 39.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water freezes (b) nothing at all (c) the stream bends (d) the water stops
40. 40.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb

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