Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 437 · 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.True or false: tiny paper bits jumps to a charged comb. (a) False (b) True
2. 2.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) on a rooftop (c) in an open field (d) under a tall tree
3. 3.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
4. 4.🧺 Which of these is needed for the static comb? (a) a magnet (b) yeast (c) vinegar (d) a plastic comb
5. 5.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we keep it the same (b) we change it (c) we measure it
6. 6.⚖️ 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
7. 7.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it hardly works (c) it works better (d) it lights up
8. 8.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) tiny paper bits (c) a magnet (d) dry hair
9. 9.⚖️ 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
10. 10.True or false: vinegar is not needed for the static comb. (a) True (b) False
11. 11.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) tiny paper bits (c) dry hair (d) turmeric powder
12. 12.🧺 Which of these is not needed for the static comb? (a) dry hair (b) tiny paper bits (c) a plastic comb (d) a magnet
13. 13.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) the bits jump to it (b) they turn wet (c) they turn blue (d) nothing happens
14. 14.True or false: a balloon is needed for the static comb. (a) False (b) True
15. 15.⚖️ 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) False (b) True
16. 16.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
17. 17.🛟 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) a rubbed balloon (d) plug points at home
18. 18.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is the one thing we change. (a) False (b) True
19. 19.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) nothing at all (b) the water freezes (c) the water stops (d) the stream bends
20. 20.⚖️ 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) the paper bit size
21. 21.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) a plastic comb (d) a battery cell
22. 22.True or false: dry hair is not needed for the static comb. (a) True (b) False
23. 23.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
24. 24.True or false: puffed rice does not move to a charged comb. (a) True (b) False
25. 25.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
26. 26.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we keep it the same (b) we change it (c) we measure it
27. 27.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we measure it (b) we change it (c) we keep it the same
28. 28.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a mirror (b) a plastic comb (c) tiny paper bits (d) a balloon
29. 29.True or false: a balloon is not needed for the static comb. (a) True (b) False
30. 30.True or false: thermocol bits does not move to a charged comb. (a) True (b) False
31. 31.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it sticks for a while (b) it bursts at once (c) it falls straight down (d) it turns into water
32. 32.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
33. 33.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a magnet (c) tiny paper bits (d) yeast
34. 34.True or false: a battery cell is needed for the static comb. (a) True (b) False
35. 35.⚡ Why does the rubbed comb pull the paper bits? (a) it is sticky (b) it is a magnet (c) it has static charge (d) it is hot
36. 36.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
37. 37.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) dry hair (c) yeast (d) a plastic comb
38. 38.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
39. 39.⚡ Which big natural spark is caused by static electricity? (a) the wind (b) dew (c) lightning (d) a rainbow
40. 40.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a heavy book (c) a thin water stream (d) a brick

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