Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 226 · 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? True or false: the paper bit size is kept the same. (a) False (b) True
2. 2.🔍 Which is the odd one out? (a) a pebble (b) a heavy book (c) tiny paper bits (d) a steel spoon
3. 3.🧺 Which of these is needed for the static comb? (a) dry hair (b) yeast (c) turmeric powder (d) a mirror
4. 4.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) distance to the paper (b) the paper bit size (c) paper bits picked up (d) the same comb
5. 5.🧺 Which of these is needed for the static comb? (a) yeast (b) a mirror (c) a battery cell (d) a balloon
6. 6.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
7. 7.True or false: turmeric powder is not needed for the static comb. (a) False (b) True
8. 8.True or false: a brick jumps to a charged comb. (a) True (b) False
9. 9.🔍 Which is the odd one out? (a) a pebble (b) a steel spoon (c) thermocol bits (d) a heavy book
10. 10.True or false: a balloon is not needed for the static comb. (a) False (b) True
11. 11.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we keep it the same (b) we measure it (c) we change it
12. 12.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) dry hair (c) tiny paper bits (d) a battery cell
13. 13.True or false: a plastic comb is not needed for the static comb. (a) False (b) True
14. 14.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
15. 15.🧺 Which of these is not needed for the static comb? (a) turmeric powder (b) tiny paper bits (c) a plastic comb (d) a balloon
16. 16.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) puffed rice (c) a brick (d) dry hair
17. 17.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
18. 18.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the stream bends (b) the water stops (c) nothing at all (d) the water freezes
19. 19.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a magnet (c) dry hair (d) tiny paper bits
20. 20.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
21. 21.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) a steel spoon (c) a thin water stream (d) tiny paper bits
22. 22.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) on a rooftop (c) indoors (d) under a tall tree
23. 23.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
24. 24.⚖️ 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
25. 25.True or false: vinegar is not needed for the static comb. (a) False (b) True
26. 26.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
27. 27.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) tiny paper bits (c) a thin water stream (d) a heavy book
28. 28.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) the bits jump to it (b) nothing happens (c) they turn wet (d) they turn blue
29. 29.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we keep it the same (b) we measure it (c) we change it
30. 30.⚡ Which of these jumps to a charged comb? (a) a brick (b) a steel spoon (c) a heavy book (d) dry hair
31. 31.True or false: dry hair does not move to a charged comb. (a) False (b) True
32. 32.⚡ Why does the comb trick work best on a dry day? (a) water adds charge (b) wet hair is magnetic (c) dry days are noisy (d) damp air leaks charge
33. 33.True or false: a mirror is needed for the static comb. (a) False (b) True
34. 34.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is the one thing we change. (a) False (b) True
35. 35.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it falls straight down (c) it sticks for a while (d) it turns into water
36. 36.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) a rubbed balloon (c) a rubbed plastic comb (d) plug points at home
37. 37.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) tiny paper bits (c) a battery cell (d) a plastic comb
38. 38.🔍 Which is the odd one out? (a) dry hair (b) tiny paper bits (c) puffed rice (d) a brick
39. 39.⚡ Which of these jumps to a charged comb? (a) a brick (b) a pebble (c) thermocol bits (d) a heavy book
40. 40.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed

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