Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 197 · 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) yeast (b) a mirror (c) a magnet (d) a balloon
2. 2.True or false: a steel spoon jumps to a charged comb. (a) True (b) False
3. 3.True or false: a thin water stream jumps to a charged comb. (a) False (b) True
4. 4.True or false: a balloon is not needed for the static comb. (a) True (b) False
5. 5.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
6. 6.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) a balloon (d) turmeric powder
7. 7.⚖️ 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) False (b) True
8. 8.🧺 Which of these is not needed for the static comb? (a) dry hair (b) yeast (c) a plastic comb (d) a balloon
9. 9.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
10. 10.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is kept the same. (a) False (b) True
11. 11.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is what we measure. (a) False (b) True
12. 12.🔍 Which is the odd one out? (a) a heavy book (b) a pebble (c) a brick (d) thermocol bits
13. 13.⚖️ 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
14. 14.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
15. 15.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a heavy book (c) dry hair (d) a steel spoon
16. 16.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
17. 17.⚡ Which big natural spark is caused by static electricity? (a) lightning (b) dew (c) the wind (d) a rainbow
18. 18.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a battery cell (c) dry hair (d) a plastic comb
19. 19.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) dry hair (c) a plastic comb (d) yeast
20. 20.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it falls straight down (c) it sticks for a while (d) it turns into water
21. 21.⚖️ 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
22. 22.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is kept the same. (a) True (b) False
23. 23.True or false: dry hair jumps to a charged comb. (a) False (b) True
24. 24.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
25. 25.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) nothing happens (b) they turn wet (c) they turn blue (d) the bits jump to it
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 magnet (d) a plastic comb
27. 27.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we measure it (b) we change it (c) we keep it the same
28. 28.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) a rubbed plastic comb (c) a rubbed balloon (d) plug points at home
29. 29.⚡ Why does the rubbed comb pull the paper bits? (a) it is hot (b) it is a magnet (c) it has static charge (d) it is sticky
30. 30.⚖️ 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
31. 31.🧺 Which of these is needed for the static comb? (a) yeast (b) a plastic comb (c) a magnet (d) a mirror
32. 32.⚖️ 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) False (b) True
33. 33.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) thermocol bits (c) tiny paper bits (d) a heavy book
34. 34.⚖️ 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) True (b) False
35. 35.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) number of rubs (b) the same comb (c) the paper bit size (d) the same hair
36. 36.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
37. 37.⚖️ 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 change it (c) we keep it the same
38. 38.🛟 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
39. 39.🔍 Which is the odd one out? (a) a steel spoon (b) a heavy book (c) a brick (d) a thin water stream
40. 40.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the same hair (b) paper bits picked up (c) number of rubs

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