Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 469 · 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.🔮 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 freezes (d) the water stops
2. 2.True or false: a mirror is needed for the static comb. (a) True (b) False
3. 3.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a magnet (b) dry hair (c) a balloon (d) a plastic comb
4. 4.True or false: a pebble does not move to a charged comb. (a) False (b) True
5. 5.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it works better (c) it lights up (d) it hardly works
6. 6.True or false: dry hair is not needed for the static comb. (a) True (b) False
7. 7.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) turmeric powder (c) dry hair (d) tiny paper bits
8. 8.⚖️ 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
9. 9.🛟 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
10. 10.True or false: a heavy book jumps to a charged comb. (a) True (b) False
11. 11.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) puffed rice (c) a pebble (d) thermocol bits
12. 12.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
13. 13.🧺 Which of these is not needed for the static comb? (a) a balloon (b) dry hair (c) a plastic comb (d) vinegar
14. 14.🔍 Which is the odd one out? (a) a pebble (b) tiny paper bits (c) a brick (d) a heavy book
15. 15.True or false: a brick jumps to a charged comb. (a) True (b) False
16. 16.⚖️ 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) distance to the paper (c) number of rubs (d) the same comb
17. 17.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) the wind (c) dew (d) lightning
18. 18.⚡ Which of these does not move to a charged comb? (a) dry hair (b) tiny paper bits (c) thermocol bits (d) a steel spoon
19. 19.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) yeast (c) a balloon (d) a plastic comb
20. 20.⚖️ 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
21. 21.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
22. 22.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) dry hair (c) a balloon (d) a battery cell
23. 23.⚖️ 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) the same hair (c) paper bits picked up (d) number of rubs
24. 24.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) plug points at home (c) a rubbed balloon (d) paper bits on a comb
25. 25.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) puffed rice (c) thermocol bits (d) a heavy book
26. 26.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
27. 27.True or false: tiny paper bits does not move to a charged comb. (a) True (b) False
28. 28.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it sticks for a while (b) it falls straight down (c) it bursts at once (d) it turns into water
29. 29.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn blue (b) nothing happens (c) the bits jump to it (d) they turn wet
30. 30.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a mirror (c) tiny paper bits (d) a balloon
31. 31.🔍 Which is the odd one out? (a) a steel spoon (b) a pebble (c) puffed rice (d) a heavy book
32. 32.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
33. 33.🔍 Which is the odd one out? (a) thermocol bits (b) tiny paper bits (c) a brick (d) dry hair
34. 34.⚡ Which of these jumps to a charged comb? (a) a thin water stream (b) a steel spoon (c) a heavy book (d) a brick
35. 35.True or false: turmeric powder is needed for the static comb. (a) False (b) True
36. 36.⚖️ 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
37. 37.⚖️ 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) False (b) True
38. 38.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
39. 39.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) tiny paper bits (c) a balloon (d) a magnet
40. 40.⚡ Why does the comb trick work best on a dry day? (a) water adds charge (b) damp air leaks charge (c) dry days are noisy (d) wet hair is magnetic

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