Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 674 · 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 of these is needed for the static comb? (a) a magnet (b) a battery cell (c) vinegar (d) a plastic comb
2. 2.🔍 Which is the odd one out? (a) puffed rice (b) dry hair (c) tiny paper bits (d) a heavy book
3. 3.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we measure it (b) we keep it the same (c) we change it
4. 4.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) the bits jump to it (c) they turn blue (d) nothing happens
5. 5.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
6. 6.⚖️ 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
7. 7.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
8. 8.🧺 Which of these is needed for the static comb? (a) dry hair (b) turmeric powder (c) a battery cell (d) a magnet
9. 9.True or false: tiny paper bits does not move to a charged comb. (a) False (b) True
10. 10.⚡ Which of these does not move to a charged comb? (a) a steel spoon (b) puffed rice (c) a thin water stream (d) dry hair
11. 11.True or false: a mirror is needed for the static comb. (a) True (b) False
12. 12.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
13. 13.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is kept the same. (a) True (b) False
14. 14.⚖️ 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) paper bits picked up (d) number of rubs
15. 15.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) a pebble (c) dry hair (d) a thin water stream
16. 16.True or false: tiny paper bits is needed for the static comb. (a) True (b) False
17. 17.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
18. 18.🛟 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
19. 19.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it becomes a magnet (c) it hardly works (d) it works better
20. 20.⚖️ 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 change it (c) we keep it the same
21. 21.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) plug points at home (c) paper bits on a comb (d) a rubbed balloon
22. 22.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
23. 23.🧺 Which of these is not needed for the static comb? (a) a battery cell (b) a balloon (c) dry hair (d) tiny paper bits
24. 24.⚖️ 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
25. 25.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is the one thing we change. (a) False (b) True
26. 26.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) yeast (b) tiny paper bits (c) a balloon (d) dry hair
27. 27.True or false: thermocol bits jumps to a charged comb. (a) False (b) True
28. 28.🔍 Which is the odd one out? (a) dry hair (b) a steel spoon (c) thermocol bits (d) puffed rice
29. 29.⚡ Why does the rubbed comb pull the paper bits? (a) it is hot (b) it has static charge (c) it is a magnet (d) it is sticky
30. 30.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
31. 31.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a balloon (c) a magnet (d) tiny paper bits
32. 32.🧺 Which of these is not needed for the static comb? (a) a balloon (b) tiny paper bits (c) yeast (d) dry hair
33. 33.🧺 Which of these is needed for the static comb? (a) yeast (b) turmeric powder (c) a balloon (d) a magnet
34. 34.⚖️ 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
35. 35.True or false: a thin water stream jumps to a charged comb. (a) False (b) True
36. 36.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
37. 37.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) puffed rice (c) a brick (d) a pebble
38. 38.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) turmeric powder (b) tiny paper bits (c) a balloon (d) a plastic comb
39. 39.🔍 Which is the odd one out? (a) a heavy book (b) a brick (c) tiny paper bits (d) a pebble
40. 40.True or false: a pebble jumps to a charged comb. (a) False (b) True

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