Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 502 · 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 not needed for the static comb? (a) vinegar (b) a balloon (c) a plastic comb (d) dry hair
2. 2.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) on a rooftop (c) under a tall tree (d) indoors
3. 3.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a balloon (c) a magnet (d) tiny paper bits
4. 4.⚖️ 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) True (b) False
5. 5.⚖️ 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
6. 6.🧺 Which of these is needed for the static comb? (a) a mirror (b) a magnet (c) a balloon (d) yeast
7. 7.⚡ Why does the comb trick work best on a dry day? (a) damp air leaks charge (b) wet hair is magnetic (c) water adds charge (d) dry days are noisy
8. 8.True or false: puffed rice jumps to a charged comb. (a) False (b) True
9. 9.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) the stream bends (c) the water freezes (d) nothing at all
10. 10.⚡ Why does the rubbed comb pull the paper bits? (a) it is a magnet (b) it is sticky (c) it has static charge (d) it is hot
11. 11.🔮 Predict: you wet the comb before trying again. What happens? (a) it hardly works (b) it works better (c) it becomes a magnet (d) it lights up
12. 12.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
13. 13.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) yeast (c) a balloon (d) dry hair
14. 14.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a plastic comb (c) vinegar (d) tiny paper bits
15. 15.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a thin water stream (c) a brick (d) a steel spoon
16. 16.True or false: dry hair does not move to a charged comb. (a) False (b) True
17. 17.True or false: a steel spoon does not move to a charged comb. (a) True (b) False
18. 18.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) plug points at home (c) a rubbed plastic comb (d) a rubbed balloon
19. 19.⚡ Which of these does not move to a charged comb? (a) dry hair (b) thermocol bits (c) a steel spoon (d) a thin water stream
20. 20.True or false: a balloon is not needed for the static comb. (a) False (b) True
21. 21.True or false: a battery cell is needed for the static comb. (a) False (b) True
22. 22.🔍 Which is the odd one out? (a) a brick (b) a heavy book (c) thermocol bits (d) a pebble
23. 23.🧺 Which of these is needed for the static comb? (a) dry hair (b) vinegar (c) a mirror (d) turmeric powder
24. 24.⚖️ 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
25. 25.⚡ Which big natural spark is caused by static electricity? (a) dew (b) lightning (c) the wind (d) a rainbow
26. 26.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) the paper bit size (b) number of rubs (c) paper bits picked up (d) the same comb
27. 27.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it turns into water (c) it falls straight down (d) it sticks for a while
28. 28.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) sunlight (c) gravity (d) static electricity
29. 29.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a balloon (c) a plastic comb (d) turmeric powder
30. 30.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
31. 31.True or false: turmeric powder is not needed for the static comb. (a) False (b) True
32. 32.⚖️ 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) the same comb (c) number of rubs
33. 33.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we measure it (b) we change it (c) we keep it the same
34. 34.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
35. 35.⚖️ 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 keep it the same (c) we measure it
36. 36.⚡ Which of these does not move to a charged comb? (a) dry hair (b) a thin water stream (c) thermocol bits (d) a heavy book
37. 37.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
38. 38.True or false: tiny paper bits is needed for the static comb. (a) False (b) True
39. 39.True or false: a brick jumps to a charged comb. (a) False (b) True
40. 40.True or false: tiny paper bits does not move to a charged comb. (a) False (b) True

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