Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 89 · 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.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) they turn blue (c) the bits jump to it (d) nothing happens
2. 2.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is kept the same. (a) True (b) False
3. 3.🧺 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
4. 4.🔍 Which is the odd one out? (a) a heavy book (b) thermocol bits (c) a steel spoon (d) a brick
5. 5.⚡ Which big natural spark is caused by static electricity? (a) dew (b) a rainbow (c) the wind (d) lightning
6. 6.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) paper bits picked up (b) number of rubs (c) the paper bit size
7. 7.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
8. 8.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a plastic comb (c) turmeric powder (d) tiny paper bits
9. 9.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) vinegar (d) a balloon
10. 10.True or false: a steel spoon jumps to a charged comb. (a) False (b) True
11. 11.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
12. 12.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is what we measure. (a) True (b) False
13. 13.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) under a tall tree (c) on a rooftop (d) in an open field
14. 14.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) a balloon (d) a magnet
15. 15.🧺 Which of these is needed for the static comb? (a) a mirror (b) a battery cell (c) a magnet (d) a balloon
16. 16.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
17. 17.True or false: dry hair is not needed for the static comb. (a) True (b) False
18. 18.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
19. 19.True or false: a mirror is needed for the static comb. (a) True (b) False
20. 20.🔮 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
21. 21.🔍 Which is the odd one out? (a) puffed rice (b) a thin water stream (c) thermocol bits (d) a heavy book
22. 22.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
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) False (b) True
24. 24.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is kept the same. (a) False (b) True
25. 25.🛟 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
26. 26.True or false: vinegar is needed for the static comb. (a) True (b) False
27. 27.True or false: puffed rice jumps to a charged comb. (a) True (b) False
28. 28.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
29. 29.⚖️ 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 hair (c) distance to the paper (d) the paper bit size
30. 30.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a mirror (b) a balloon (c) a plastic comb (d) tiny paper bits
31. 31.🧺 Which of these is not needed for the static comb? (a) a balloon (b) vinegar (c) tiny paper bits (d) a plastic comb
32. 32.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) static electricity (c) magnetism (d) gravity
33. 33.True or false: a battery cell is needed for the static comb. (a) True (b) False
34. 34.⚖️ 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
35. 35.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it becomes a magnet (c) it lights up (d) it hardly works
36. 36.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) yeast (b) dry hair (c) tiny paper bits (d) a balloon
37. 37.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is kept the same. (a) True (b) False
38. 38.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a pebble (c) tiny paper bits (d) a steel spoon
39. 39.True or false: tiny paper bits is needed for the static comb. (a) True (b) False
40. 40.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) distance to the paper (b) paper bits picked up (c) number of rubs

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