Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 856 · 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.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we measure it (b) we change it (c) we keep it the same
2. 2.⚡ Why does the rubbed comb pull the paper bits? (a) it has static charge (b) it is a magnet (c) it is sticky (d) it is hot
3. 3.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) indoors (c) under a tall tree (d) on a rooftop
4. 4.⚖️ 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
5. 5.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) a steel spoon (c) dry hair (d) puffed rice
6. 6.🧺 Which of these is needed for the static comb? (a) yeast (b) dry hair (c) a mirror (d) vinegar
7. 7.⚖️ 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) the paper bit size (c) paper bits picked up
8. 8.True or false: a pebble jumps to a charged comb. (a) True (b) False
9. 9.🔍 Which is the odd one out? (a) a steel spoon (b) a thin water stream (c) thermocol bits (d) puffed rice
10. 10.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
11. 11.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is the one thing we change. (a) True (b) False
12. 12.⚡ 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 blue (d) they turn wet
13. 13.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
14. 14.⚖️ 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 measure it (c) we change it
15. 15.🔍 Which is the odd one out? (a) a pebble (b) a brick (c) a heavy book (d) tiny paper bits
16. 16.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) a balloon (d) yeast
17. 17.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a magnet (c) a plastic comb (d) a balloon
18. 18.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a steel spoon (c) a heavy book (d) a thin water stream
19. 19.🧺 Which of these is needed for the static comb? (a) tiny paper bits (b) a magnet (c) vinegar (d) turmeric powder
20. 20.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) dry hair (c) vinegar (d) a plastic comb
21. 21.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) number of rubs (b) the same comb (c) paper bits picked up (d) the paper bit size
22. 22.True or false: a thin water stream does not move to a charged 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.⚖️ 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) distance to the paper
25. 25.⚖️ 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
26. 26.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a balloon (c) dry hair (d) a mirror
27. 27.True or false: tiny paper bits does not move to a charged comb. (a) True (b) False
28. 28.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) puffed rice (c) a brick (d) dry hair
29. 29.⚖️ 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
30. 30.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
31. 31.True or false: dry hair jumps to a charged comb. (a) False (b) True
32. 32.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
33. 33.True or false: a brick does not move to a charged comb. (a) False (b) True
34. 34.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
35. 35.True or false: vinegar is not needed for the static comb. (a) True (b) False
36. 36.⚖️ 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
37. 37.🧺 Which of these is needed for the static comb? (a) vinegar (b) a battery cell (c) a mirror (d) a balloon
38. 38.🛟 Static from a comb is safe. Which electricity must children never play with? (a) plug points at home (b) a rubbed balloon (c) a rubbed plastic comb (d) paper bits on a comb
39. 39.🔍 Which is the odd one out? (a) puffed rice (b) tiny paper bits (c) a heavy book (d) a thin water stream
40. 40.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed

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