Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 481 · 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.🧺 Which of these is needed for the static comb? (a) vinegar (b) tiny paper bits (c) yeast (d) a mirror
2. 2.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it turns into water (b) it bursts at once (c) it falls straight down (d) it sticks for a while
3. 3.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) vinegar (b) a plastic comb (c) dry hair (d) tiny paper bits
4. 4.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
5. 5.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a balloon (c) a battery cell (d) a plastic comb
6. 6.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) the stream bends (c) nothing at all (d) the water freezes
7. 7.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
8. 8.True or false: puffed rice jumps to a charged comb. (a) True (b) False
9. 9.🧺 Which of these is not needed for the static comb? (a) a balloon (b) tiny paper bits (c) a magnet (d) dry hair
10. 10.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) the wind (c) dew (d) lightning
11. 11.🔍 Which is the odd one out? (a) tiny paper bits (b) a steel spoon (c) a thin water stream (d) thermocol bits
12. 12.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) nothing happens (b) they turn blue (c) the bits jump to it (d) they turn wet
13. 13.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a magnet (b) dry hair (c) a plastic comb (d) tiny paper bits
14. 14.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
15. 15.🛟 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
16. 16.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) indoors (c) under a tall tree (d) in an open field
17. 17.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) paper bits picked up (b) the paper bit size (c) distance to the paper (d) number of rubs
18. 18.⚡ Which of these does not move to a charged comb? (a) a brick (b) dry hair (c) puffed rice (d) thermocol bits
19. 19.True or false: a steel spoon does not move to a charged comb. (a) False (b) True
20. 20.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is what we measure. (a) False (b) True
21. 21.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it becomes a magnet (c) it hardly works (d) it works better
22. 22.⚡ Why does the comb trick work best on a dry day? (a) water adds charge (b) dry days are noisy (c) wet hair is magnetic (d) damp air leaks charge
23. 23.True or false: a thin water stream jumps to a charged comb. (a) True (b) False
24. 24.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a plastic comb (c) yeast (d) a balloon
25. 25.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
26. 26.🔍 Which is the odd one out? (a) thermocol bits (b) a pebble (c) tiny paper bits (d) puffed rice
27. 27.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
28. 28.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is what we measure. (a) True (b) False
29. 29.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a battery cell (c) a plastic comb (d) tiny paper bits
30. 30.True or false: tiny paper bits does not move to a charged comb. (a) True (b) False
31. 31.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we measure it (b) we keep it the same (c) we change it
32. 32.True or false: tiny paper bits is needed for the static comb. (a) True (b) False
33. 33.True or false: dry hair is needed for the static comb. (a) True (b) False
34. 34.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a steel spoon (c) a pebble (d) dry hair
35. 35.⚡ Why does the rubbed comb pull the paper bits? (a) it has static charge (b) it is a magnet (c) it is hot (d) it is sticky
36. 36.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
37. 37.🧺 Which of these is needed for the static comb? (a) vinegar (b) a mirror (c) turmeric powder (d) a balloon
38. 38.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a brick (c) thermocol bits (d) a steel spoon
39. 39.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
40. 40.⚖️ 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

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