Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 859 · 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) a plastic comb (b) yeast (c) tiny paper bits (d) a balloon
2. 2.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) thermocol bits (c) a thin water stream (d) a brick
3. 3.🛟 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
4. 4.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a plastic comb (c) a mirror (d) a balloon
5. 5.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is the one thing we change. (a) True (b) False
6. 6.True or false: a battery cell is needed for the static comb. (a) False (b) True
7. 7.🔍 Which is the odd one out? (a) a pebble (b) puffed rice (c) a heavy book (d) a brick
8. 8.⚖️ 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) the same hair (c) number of rubs (d) the paper bit size
9. 9.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
10. 10.🧺 Which of these is not needed for the static comb? (a) turmeric powder (b) dry hair (c) tiny paper bits (d) a plastic comb
11. 11.⚖️ 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 keep it the same (c) we measure it
12. 12.🔍 Which is the odd one out? (a) dry hair (b) thermocol bits (c) a brick (d) a thin water stream
13. 13.🧺 Which of these is needed for the static comb? (a) vinegar (b) a mirror (c) yeast (d) a plastic comb
14. 14.🛟 Static from a comb is safe. Which electricity must children never play with? (a) plug points at home (b) a rubbed balloon (c) paper bits on a comb (d) a rubbed plastic comb
15. 15.⚡ A rubbed comb is held near a heavy book. What happens? (a) does not move (b) jumps to the comb
16. 16.⚖️ 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 same comb (c) paper bits picked up
17. 17.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the stream bends (b) the water stops (c) the water freezes (d) nothing at all
18. 18.True or false: tiny paper bits does not move to a charged comb. (a) True (b) False
19. 19.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
20. 20.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
21. 21.⚖️ 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
22. 22.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) nothing happens (b) they turn wet (c) the bits jump to it (d) they turn blue
23. 23.True or false: a pebble does not move to a charged comb. (a) True (b) False
24. 24.True or false: a thin water stream does not move to a charged comb. (a) True (b) False
25. 25.⚡ Which big natural spark is caused by static electricity? (a) lightning (b) a rainbow (c) the wind (d) dew
26. 26.🧺 Which of these is not needed for the static comb? (a) a balloon (b) tiny paper bits (c) dry hair (d) a mirror
27. 27.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
28. 28.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it lights up (c) it hardly works (d) it becomes a magnet
29. 29.⚖️ 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 keep it the same (c) we change it
30. 30.⚡ Why does the rubbed comb pull the paper bits? (a) it is hot (b) it is a magnet (c) it is sticky (d) it has static charge
31. 31.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
32. 32.🔍 Which is the odd one out? (a) tiny paper bits (b) a thin water stream (c) a pebble (d) puffed rice
33. 33.🔍 Which is the odd one out? (a) a steel spoon (b) a pebble (c) a heavy book (d) thermocol bits
34. 34.True or false: a plastic comb is not needed for the static comb. (a) True (b) False
35. 35.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a magnet (b) a plastic comb (c) a balloon (d) tiny paper bits
36. 36.True or false: dry hair is needed for the static comb. (a) True (b) False
37. 37.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) tiny paper bits (c) dry hair (d) vinegar
38. 38.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
39. 39.⚖️ 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
40. 40.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed

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