Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 536 · 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 balloon (b) tiny paper bits (c) dry hair (d) a mirror
2. 2.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we measure it (b) we keep it the same (c) we change it
3. 3.⚖️ 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) number of rubs (c) the same comb
4. 4.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
5. 5.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) in an open field (c) on a rooftop (d) indoors
6. 6.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) the same comb (b) the paper bit size (c) number of rubs (d) distance to the paper
7. 7.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is kept the same. (a) False (b) True
8. 8.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) a rubbed plastic comb (c) paper bits on a comb (d) plug points at home
9. 9.True or false: dry hair does not move to a charged comb. (a) True (b) False
10. 10.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
11. 11.⚡ 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
12. 12.🔍 Which is the odd one out? (a) tiny paper bits (b) a pebble (c) a heavy book (d) a steel spoon
13. 13.🔍 Which is the odd one out? (a) a thin water stream (b) tiny paper bits (c) puffed rice (d) a brick
14. 14.True or false: yeast is needed for the static comb. (a) True (b) False
15. 15.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
16. 16.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a battery cell (c) yeast (d) tiny paper bits
17. 17.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
18. 18.🔮 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
19. 19.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) tiny paper bits (d) a battery cell
20. 20.⚡ A rubbed comb is held near a heavy book. What happens? (a) does not move (b) jumps to the comb
21. 21.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it hardly works (c) it works better (d) it lights up
22. 22.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a heavy book (c) dry hair (d) a steel spoon
23. 23.True or false: a pebble jumps to a charged comb. (a) True (b) False
24. 24.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
25. 25.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a heavy book (c) a brick (d) a thin water stream
26. 26.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the stream bends (b) the water freezes (c) nothing at all (d) the water stops
27. 27.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a plastic comb (c) dry hair (d) a mirror
28. 28.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we keep it the same (b) we measure it (c) we change it
29. 29.⚡ Which of these does not move to a charged comb? (a) dry hair (b) a pebble (c) tiny paper bits (d) puffed rice
30. 30.True or false: a plastic comb is needed for the static comb. (a) False (b) True
31. 31.⚖️ 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) number of rubs (c) the paper bit size (d) the same comb
32. 32.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we keep it the same (b) we change it (c) we measure it
33. 33.True or false: a thin water stream jumps to a charged comb. (a) False (b) True
34. 34.True or false: turmeric powder is not needed for the static comb. (a) False (b) True
35. 35.⚡ Which big natural spark is caused by static electricity? (a) the wind (b) a rainbow (c) dew (d) lightning
36. 36.True or false: thermocol bits does not move to a charged comb. (a) False (b) True
37. 37.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a balloon (c) vinegar (d) a plastic comb
38. 38.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a steel spoon (c) tiny paper bits (d) a pebble
39. 39.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is what we measure. (a) False (b) True
40. 40.True or false: a brick does not move to a charged comb. (a) True (b) False

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