Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 735 · 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) dry hair (b) a heavy book (c) puffed rice (d) a thin water stream
2. 2.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
3. 3.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
4. 4.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
5. 5.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) under a tall tree (c) indoors (d) on a rooftop
6. 6.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) turmeric powder (b) a plastic comb (c) dry hair (d) a balloon
7. 7.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a battery cell (b) a balloon (c) tiny paper bits (d) a plastic comb
8. 8.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the same comb (b) number of rubs (c) paper bits picked up
9. 9.⚖️ 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) distance to the paper (d) paper bits picked up
10. 10.⚖️ 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 change it (c) we keep it the same
11. 11.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is kept the same. (a) True (b) False
12. 12.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) the water freezes (c) nothing at all (d) the stream bends
13. 13.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) vinegar (c) tiny paper bits (d) dry hair
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) number of rubs (c) the paper bit size (d) paper bits picked up
15. 15.⚡ Which big natural spark is caused by static electricity? (a) dew (b) the wind (c) lightning (d) a rainbow
16. 16.🔍 Which is the odd one out? (a) a pebble (b) dry hair (c) tiny paper bits (d) puffed rice
17. 17.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
18. 18.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a mirror (c) a balloon (d) tiny paper bits
19. 19.⚖️ 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) paper bits picked up (c) distance to the paper
20. 20.True or false: dry hair does not move to a charged comb. (a) False (b) True
21. 21.True or false: thermocol bits jumps to a charged comb. (a) True (b) False
22. 22.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
23. 23.True or false: a steel spoon does not move to a charged comb. (a) True (b) False
24. 24.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
25. 25.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it turns into water (b) it bursts at once (c) it falls straight down (d) it sticks for a while
26. 26.True or false: puffed rice jumps to a charged comb. (a) False (b) True
27. 27.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
28. 28.⚖️ 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
29. 29.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
30. 30.⚡ 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
31. 31.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is what we measure. (a) False (b) True
32. 32.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) plug points at home (c) a rubbed balloon (d) paper bits on a comb
33. 33.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we measure it (b) we change it (c) we keep it the same
34. 34.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
35. 35.True or false: a battery cell is needed for the static comb. (a) False (b) True
36. 36.True or false: a plastic comb is not needed for the static comb. (a) True (b) False
37. 37.🧺 Which of these is needed for the static comb? (a) vinegar (b) turmeric powder (c) a magnet (d) a plastic comb
38. 38.True or false: yeast is needed for the static comb. (a) True (b) False
39. 39.🔍 Which is the odd one out? (a) a pebble (b) puffed rice (c) a heavy book (d) a steel spoon
40. 40.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is what we measure. (a) True (b) False

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