Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 480 · 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.⚖️ 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
2. 2.🔍 Which is the odd one out? (a) dry hair (b) a heavy book (c) a steel spoon (d) a brick
3. 3.True or false: dry hair is needed for the static comb. (a) False (b) True
4. 4.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) they turn blue (c) nothing happens (d) the bits jump to it
5. 5.⚖️ 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
6. 6.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is kept the same. (a) True (b) False
7. 7.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) in an open field (c) on a rooftop (d) under a tall tree
8. 8.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the paper bit size (b) the same hair (c) the same comb (d) paper bits picked up
9. 9.🧺 Which of these is needed for the static comb? (a) vinegar (b) turmeric powder (c) yeast (d) tiny paper bits
10. 10.⚖️ 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
11. 11.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) a steel spoon (c) dry hair (d) puffed rice
12. 12.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) yeast (c) a plastic comb (d) a balloon
13. 13.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) a mirror (d) a balloon
14. 14.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
15. 15.⚖️ 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) distance to the paper (c) number of rubs (d) the same hair
16. 16.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
17. 17.🔍 Which is the odd one out? (a) a pebble (b) thermocol bits (c) a heavy book (d) a brick
18. 18.🧺 Which of these is needed for the static comb? (a) a battery cell (b) a mirror (c) a plastic comb (d) a magnet
19. 19.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) dry hair (c) a mirror (d) a magnet
20. 20.True or false: tiny paper bits jumps to a charged comb. (a) False (b) True
21. 21.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water freezes (b) the stream bends (c) nothing at all (d) the water stops
22. 22.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) puffed rice (c) dry hair (d) a heavy book
23. 23.🔍 Which is the odd one out? (a) a thin water stream (b) tiny paper bits (c) a heavy book (d) thermocol bits
24. 24.⚖️ 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 measure it (c) we keep it the same
25. 25.True or false: yeast is needed for the static comb. (a) True (b) False
26. 26.🔮 Predict: you wet the comb before trying again. What happens? (a) it hardly works (b) it lights up (c) it becomes a magnet (d) it works better
27. 27.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
28. 28.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is kept the same. (a) False (b) True
29. 29.True or false: a pebble jumps to a charged comb. (a) True (b) False
30. 30.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is what we measure. (a) True (b) False
31. 31.⚖️ 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
32. 32.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a steel spoon (c) a brick (d) thermocol bits
33. 33.🛟 Static from a comb is safe. Which electricity must children never play with? (a) plug points at home (b) a rubbed plastic comb (c) paper bits on a comb (d) a rubbed balloon
34. 34.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is what we measure. (a) False (b) True
35. 35.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a balloon (c) a battery cell (d) dry hair
36. 36.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a balloon (c) turmeric powder (d) tiny paper bits
37. 37.⚡ Which of these does not move to a charged comb? (a) dry hair (b) a pebble (c) thermocol bits (d) puffed rice
38. 38.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
39. 39.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a pebble (c) a steel spoon (d) puffed rice
40. 40.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed

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