Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 508 · 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.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
2. 2.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
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.True or false: a brick does not move to a charged comb. (a) False (b) True
5. 5.⚖️ 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) True (b) False
6. 6.True or false: a balloon is needed for the static comb. (a) False (b) True
7. 7.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it hardly works (c) it works better (d) it becomes a magnet
8. 8.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it sticks for a while (c) it turns into water (d) it falls straight down
9. 9.🧺 Which of these is needed for the static comb? (a) a balloon (b) a battery cell (c) vinegar (d) yeast
10. 10.⚖️ 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
11. 11.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a balloon (c) a plastic comb (d) yeast
12. 12.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a magnet (c) tiny paper bits (d) a plastic comb
13. 13.⚖️ 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
14. 14.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a mirror (c) a plastic comb (d) a balloon
15. 15.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is what we measure. (a) True (b) False
16. 16.True or false: a thin water stream jumps to a charged comb. (a) True (b) False
17. 17.⚡ Which of these jumps to a charged comb? (a) thermocol bits (b) a steel spoon (c) a heavy book (d) a pebble
18. 18.🧺 Which of these is needed for the static comb? (a) vinegar (b) a battery cell (c) a mirror (d) dry hair
19. 19.⚡ Which of these jumps to a charged comb? (a) a brick (b) a heavy book (c) tiny paper bits (d) a pebble
20. 20.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) on a rooftop (c) indoors (d) in an open field
21. 21.🧺 Which of these is not needed for the static comb? (a) dry hair (b) tiny paper bits (c) a plastic comb (d) a magnet
22. 22.🔍 Which is the odd one out? (a) a heavy book (b) a steel spoon (c) puffed rice (d) a brick
23. 23.🔍 Which is the odd one out? (a) tiny paper bits (b) a thin water stream (c) a heavy book (d) dry hair
24. 24.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
25. 25.⚡ A rubbed comb is held near a heavy book. What happens? (a) does not move (b) jumps to the comb
26. 26.⚡ 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
27. 27.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we change it (b) we keep it the same (c) we measure it
28. 28.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) dry hair (c) a plastic comb (d) a battery cell
29. 29.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we measure it (b) we keep it the same (c) we change it
30. 30.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
31. 31.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
32. 32.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a plastic comb (c) tiny paper bits (d) a mirror
33. 33.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the stream bends (b) nothing at all (c) the water stops (d) the water freezes
34. 34.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) a heavy book (c) puffed rice (d) thermocol bits
35. 35.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is the one thing we change. (a) True (b) False
36. 36.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) distance to the paper (b) the same comb (c) number of rubs (d) the paper bit size
37. 37.True or false: a balloon is not needed for the static comb. (a) True (b) False
38. 38.⚖️ 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
39. 39.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we change it (b) we measure it (c) we keep it the same
40. 40.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) a rubbed plastic comb (c) plug points at home (d) a rubbed balloon

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