Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 320 · 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.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) in an open field (c) on a rooftop (d) under a tall tree
2. 2.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a balloon (c) a battery cell (d) a plastic comb
3. 3.True or false: dry hair is needed for the static comb. (a) False (b) True
4. 4.⚡ Which big natural spark is caused by static electricity? (a) lightning (b) the wind (c) a rainbow (d) dew
5. 5.⚖️ 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 comb (b) paper bits picked up (c) number of rubs (d) the paper bit size
6. 6.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a balloon (c) vinegar (d) a plastic comb
7. 7.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) the bits jump to it (c) nothing happens (d) they turn blue
8. 8.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
9. 9.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the paper bit size (b) the same comb (c) paper bits picked up (d) distance to the paper
10. 10.⚖️ 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
11. 11.🛟 Static from a comb is safe. Which electricity must children never play with? (a) plug points at home (b) a rubbed plastic comb (c) paper bits on a comb (d) a rubbed balloon
12. 12.True or false: turmeric powder is not needed for the static comb. (a) False (b) True
13. 13.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
14. 14.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we keep it the same (b) we measure it (c) we change it
15. 15.🔍 Which is the odd one out? (a) a pebble (b) puffed rice (c) a heavy book (d) a steel spoon
16. 16.⚡ Which of these does not move to a charged comb? (a) dry hair (b) puffed rice (c) a brick (d) a thin water stream
17. 17.⚖️ 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
18. 18.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
19. 19.🔮 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 falls straight down (d) it turns into water
20. 20.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
21. 21.⚖️ 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 measure it (c) we change it
22. 22.True or false: a mirror is not needed for the static comb. (a) True (b) False
23. 23.True or false: a steel spoon does not move to a charged comb. (a) True (b) False
24. 24.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) dry hair (c) tiny paper bits (d) yeast
25. 25.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) tiny paper bits (c) a pebble (d) a brick
26. 26.🔍 Which is the odd one out? (a) a thin water stream (b) dry hair (c) a brick (d) tiny paper bits
27. 27.🧺 Do we need vinegar for the static comb? (a) not needed (b) needed
28. 28.True or false: a steel spoon jumps to a charged comb. (a) False (b) True
29. 29.True or false: a balloon is needed for the static comb. (a) True (b) False
30. 30.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the stream bends (b) the water freezes (c) nothing at all (d) the water stops
31. 31.🔍 Which is the odd one out? (a) a heavy book (b) dry hair (c) a thin water stream (d) thermocol bits
32. 32.⚖️ 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) the paper bit size
33. 33.⚡ Why does the rubbed comb pull the paper bits? (a) it is sticky (b) it is hot (c) it is a magnet (d) it has static charge
34. 34.True or false: dry hair jumps to a charged comb. (a) True (b) False
35. 35.🧺 Which of these is needed for the static comb? (a) a mirror (b) vinegar (c) turmeric powder (d) a balloon
36. 36.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
37. 37.⚖️ 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
38. 38.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
39. 39.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
40. 40.⚖️ 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) False (b) True

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