Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 205 · 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.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) paper bits on a comb (c) plug points at home (d) a rubbed balloon
2. 2.🔍 Which is the odd one out? (a) a brick (b) a steel spoon (c) a heavy book (d) thermocol bits
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 change it (b) we measure it (c) we keep it the same
4. 4.⚖️ 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
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) number of rubs (b) the same comb (c) distance to the paper (d) paper bits picked up
6. 6.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
7. 7.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) tiny paper bits (d) a mirror
8. 8.🧺 Which of these is not needed for the static comb? (a) a balloon (b) dry hair (c) tiny paper bits (d) a magnet
9. 9.⚖️ 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
10. 10.⚡ 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
11. 11.True or false: vinegar is needed for the static comb. (a) True (b) False
12. 12.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
13. 13.🔮 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 water freezes (d) the stream bends
14. 14.⚖️ 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 change it (c) we keep it the same
15. 15.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) under a tall tree (c) on a rooftop (d) indoors
16. 16.🧺 Which of these is needed for the static comb? (a) a plastic comb (b) a battery cell (c) turmeric powder (d) a magnet
17. 17.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a balloon (c) yeast (d) a plastic comb
18. 18.🧺 Which of these is needed for the static comb? (a) dry hair (b) a magnet (c) a mirror (d) turmeric powder
19. 19.🧺 Which of these is needed for the static comb? (a) tiny paper bits (b) yeast (c) a magnet (d) a mirror
20. 20.🧺 Which of these is not needed for the static comb? (a) a balloon (b) a plastic comb (c) vinegar (d) dry hair
21. 21.⚡ Why does the comb trick work best on a dry day? (a) wet hair is magnetic (b) water adds charge (c) dry days are noisy (d) damp air leaks charge
22. 22.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is kept the same. (a) False (b) True
23. 23.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) nothing happens (b) they turn blue (c) they turn wet (d) the bits jump to it
24. 24.True or false: dry hair is not needed for the static comb. (a) False (b) True
25. 25.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) dry hair (c) a battery cell (d) a balloon
26. 26.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a steel spoon (c) a pebble (d) thermocol bits
27. 27.🧺 Do we need vinegar for the static comb? (a) not needed (b) needed
28. 28.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
29. 29.🔍 Which is the odd one out? (a) tiny paper bits (b) a heavy book (c) thermocol bits (d) dry hair
30. 30.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) the wind (c) dew (d) lightning
31. 31.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a plastic comb (c) dry hair (d) turmeric powder
32. 32.True or false: a balloon is needed for the static comb. (a) True (b) False
33. 33.True or false: a battery cell is needed for the static comb. (a) True (b) False
34. 34.🔮 Predict: you wet the comb before trying again. What happens? (a) it hardly works (b) it works better (c) it lights up (d) it becomes a magnet
35. 35.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a pebble (c) tiny paper bits (d) a brick
36. 36.⚖️ 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) the paper bit size (c) paper bits picked up
37. 37.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it turns into water (c) it sticks for a while (d) it bursts at once
38. 38.True or false: a battery cell is not needed for the static comb. (a) False (b) True
39. 39.⚡ A rubbed comb is held near a heavy book. What happens? (a) does not move (b) jumps to the comb
40. 40.🔍 Which is the odd one out? (a) a brick (b) puffed rice (c) a pebble (d) a steel spoon

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