Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 184 · 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 blue (b) the bits jump to it (c) they turn wet (d) nothing happens
2. 2.🧺 Which of these is needed for the static comb? (a) vinegar (b) tiny paper bits (c) yeast (d) a magnet
3. 3.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a thin water stream (c) a heavy book (d) a pebble
4. 4.🔮 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
5. 5.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
6. 6.True or false: a heavy book does not move to a charged comb. (a) False (b) True
7. 7.⚡ Why does the rubbed comb pull the paper bits? (a) it is sticky (b) it is a magnet (c) it is hot (d) it has static charge
8. 8.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is kept the same. (a) False (b) True
9. 9.⚡ Which of these jumps to a charged comb? (a) dry hair (b) a steel spoon (c) a heavy book (d) a brick
10. 10.⚖️ 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 paper bit size (c) number of rubs (d) distance to the paper
11. 11.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we keep it the same (b) we measure it (c) we change it
12. 12.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a magnet (c) tiny paper bits (d) a balloon
13. 13.True or false: a balloon is needed for the static comb. (a) False (b) True
14. 14.True or false: thermocol bits does not move to a charged comb. (a) True (b) False
15. 15.⚖️ 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
16. 16.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
17. 17.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is the one thing we change. (a) True (b) False
18. 18.🧺 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) a mirror
19. 19.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a plastic comb (c) turmeric powder (d) a balloon
20. 20.🔍 Which is the odd one out? (a) a thin water stream (b) puffed rice (c) a brick (d) tiny paper bits
21. 21.🛟 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
22. 22.🔍 Which is the odd one out? (a) dry hair (b) a thin water stream (c) tiny paper bits (d) a heavy book
23. 23.⚖️ 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
24. 24.⚖️ 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 hair (c) number of rubs
25. 25.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
26. 26.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) dry hair (c) a balloon (d) turmeric powder
27. 27.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water freezes (b) nothing at all (c) the water stops (d) the stream bends
28. 28.True or false: a plastic comb is not needed for the static comb. (a) True (b) False
29. 29.🔍 Which is the odd one out? (a) a steel spoon (b) puffed rice (c) tiny paper bits (d) a thin water stream
30. 30.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) tiny paper bits (c) a brick (d) dry hair
31. 31.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
32. 32.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
33. 33.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
34. 34.🧺 Which of these is needed for the static comb? (a) a mirror (b) vinegar (c) dry hair (d) a magnet
35. 35.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) a heavy book (c) thermocol bits (d) puffed rice
36. 36.⚖️ 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) distance to the paper
37. 37.True or false: puffed rice jumps to a charged comb. (a) True (b) False
38. 38.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
39. 39.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) dry hair (c) thermocol bits (d) a pebble
40. 40.⚡ Which big natural spark is caused by static electricity? (a) lightning (b) dew (c) a rainbow (d) the wind

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