Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 701 · 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) a battery cell (b) a mirror (c) turmeric powder (d) a balloon
2. 2.🔍 Which is the odd one out? (a) a brick (b) tiny paper bits (c) a heavy book (d) a pebble
3. 3.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is the one thing we change. (a) False (b) True
4. 4.⚖️ 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 measure it (c) we keep it the same
5. 5.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
6. 6.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) paper bits on a comb (c) a rubbed balloon (d) plug points at home
7. 7.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it turns into water (c) it bursts at once (d) it sticks for a while
8. 8.⚖️ 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) distance to the paper (d) paper bits picked up
9. 9.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) dry hair (c) a magnet (d) a plastic comb
10. 10.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) indoors (c) under a tall tree (d) in an open field
11. 11.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is the one thing we change. (a) True (b) False
12. 12.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
13. 13.True or false: a battery cell is needed for the static comb. (a) True (b) False
14. 14.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) tiny paper bits (c) a heavy book (d) dry hair
15. 15.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we change it (b) we keep it the same (c) we measure it
16. 16.🔮 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
17. 17.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a plastic comb (c) yeast (d) tiny paper bits
18. 18.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is kept the same. (a) True (b) False
19. 19.True or false: thermocol bits jumps to a charged comb. (a) True (b) False
20. 20.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
21. 21.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) a steel spoon (c) puffed rice (d) tiny paper bits
22. 22.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
23. 23.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is the one thing we change. (a) True (b) False
24. 24.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
25. 25.⚖️ 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) True (b) False
26. 26.True or false: vinegar is not needed for the static comb. (a) True (b) False
27. 27.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a pebble (c) a brick (d) tiny paper bits
28. 28.🔍 Which is the odd one out? (a) a steel spoon (b) a brick (c) a heavy book (d) dry hair
29. 29.🧺 Which of these is needed for the static comb? (a) a battery cell (b) yeast (c) vinegar (d) tiny paper bits
30. 30.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
31. 31.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) vinegar (b) tiny paper bits (c) dry hair (d) a plastic comb
32. 32.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) the wind (c) dew (d) lightning
33. 33.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) distance to the paper (b) the paper bit size (c) paper bits picked up (d) the same comb
34. 34.⚖️ 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
35. 35.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
36. 36.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) nothing at all (c) the stream bends (d) the water freezes
37. 37.🔍 Which is the odd one out? (a) a brick (b) a heavy book (c) thermocol bits (d) a steel spoon
38. 38.True or false: tiny paper bits jumps to a charged comb. (a) False (b) True
39. 39.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
40. 40.🧺 Which of these is needed for the static comb? (a) a magnet (b) turmeric powder (c) dry hair (d) a mirror

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