Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 787 · 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.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) tiny paper bits (c) a plastic comb (d) a mirror
2. 2.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it works better (c) it hardly works (d) it lights up
3. 3.🔍 Which is the odd one out? (a) tiny paper bits (b) a thin water stream (c) a heavy book (d) puffed rice
4. 4.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
5. 5.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we change it (b) we keep it the same (c) we measure it
6. 6.⚖️ 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
7. 7.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) thermocol bits (c) puffed rice (d) a pebble
8. 8.⚖️ 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
9. 9.True or false: dry hair does not move to a charged comb. (a) False (b) True
10. 10.True or false: yeast is not needed for the static comb. (a) False (b) True
11. 11.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it turns into water (c) it falls straight down (d) it sticks for a while
12. 12.⚖️ 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) False (b) True
13. 13.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
14. 14.⚡ Why does the comb trick work best on a dry day? (a) dry days are noisy (b) damp air leaks charge (c) wet hair is magnetic (d) water adds charge
15. 15.🧺 Which of these is needed for the static comb? (a) vinegar (b) a magnet (c) a battery cell (d) dry hair
16. 16.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
17. 17.⚖️ 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
18. 18.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) dry hair (c) yeast (d) a balloon
19. 19.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
20. 20.True or false: a balloon is not needed for the static comb. (a) False (b) True
21. 21.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a battery cell (b) tiny paper bits (c) a plastic comb (d) a balloon
22. 22.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) indoors (c) on a rooftop (d) in an open field
23. 23.⚖️ 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) True (b) False
24. 24.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is kept the same. (a) False (b) True
25. 25.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
26. 26.True or false: puffed rice does not move to a charged comb. (a) True (b) False
27. 27.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) paper bits picked up (b) the same comb (c) the same hair (d) number of rubs
28. 28.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) nothing at all (c) the stream bends (d) the water freezes
29. 29.⚡ Which of these jumps to a charged comb? (a) thermocol bits (b) a brick (c) a heavy book (d) a pebble
30. 30.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) a rubbed balloon (c) plug points at home (d) paper bits on a comb
31. 31.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is the one thing we change. (a) True (b) False
32. 32.🧺 Which of these is not needed for the static comb? (a) a balloon (b) a magnet (c) a plastic comb (d) dry hair
33. 33.True or false: a plastic comb is not needed for the static comb. (a) False (b) True
34. 34.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
35. 35.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
36. 36.🔍 Which is the odd one out? (a) a steel spoon (b) thermocol bits (c) a pebble (d) a brick
37. 37.🧺 Which of these is needed for the static comb? (a) a magnet (b) a battery cell (c) vinegar (d) tiny paper bits
38. 38.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a plastic comb (c) turmeric powder (d) tiny paper bits
39. 39.🧺 Which of these is not needed for the static comb? (a) a battery cell (b) tiny paper bits (c) a balloon (d) a plastic comb
40. 40.True or false: puffed rice jumps to a charged comb. (a) True (b) False

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