Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 238 · 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.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it bursts at once (c) it turns into water (d) it sticks for a while
2. 2.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) distance to the paper (b) the paper bit size (c) number of rubs (d) the same comb
3. 3.True or false: a magnet is not needed for the static comb. (a) False (b) True
4. 4.True or false: a balloon is needed for the static comb. (a) True (b) False
5. 5.🔮 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 stream bends (d) the water stops
6. 6.⚡ 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
7. 7.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) dry hair (d) vinegar
8. 8.⚡ Why does the comb trick work best on a dry day? (a) water adds charge (b) damp air leaks charge (c) dry days are noisy (d) wet hair is magnetic
9. 9.🧺 Which of these is not needed for the static comb? (a) a mirror (b) dry hair (c) tiny paper bits (d) a plastic comb
10. 10.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a mirror (c) tiny paper bits (d) a balloon
11. 11.True or false: dry hair is not needed for the static comb. (a) False (b) True
12. 12.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
13. 13.⚖️ 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) False (b) True
14. 14.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a pebble (c) thermocol bits (d) a heavy book
15. 15.🔍 Which is the odd one out? (a) thermocol bits (b) a thin water stream (c) tiny paper bits (d) a heavy book
16. 16.🛟 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
17. 17.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the same comb (b) paper bits picked up (c) number of rubs
18. 18.True or false: a plastic comb is needed for the static comb. (a) True (b) False
19. 19.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) yeast (c) tiny paper bits (d) a plastic comb
20. 20.⚖️ 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 keep it the same (c) we change it
21. 21.⚖️ 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
22. 22.⚖️ 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 measure it (c) we keep it the same
23. 23.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
24. 24.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) a rubbed balloon (c) a rubbed plastic comb (d) plug points at home
25. 25.⚖️ 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) distance to the paper
26. 26.⚖️ 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
27. 27.🔍 Which is the odd one out? (a) a pebble (b) a heavy book (c) thermocol bits (d) a brick
28. 28.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
29. 29.🔍 Which is the odd one out? (a) a heavy book (b) a steel spoon (c) tiny paper bits (d) a pebble
30. 30.⚖️ 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) distance to the paper (d) the same hair
31. 31.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) turmeric powder (b) tiny paper bits (c) dry hair (d) a balloon
32. 32.🧺 Which of these is needed for the static comb? (a) a mirror (b) a magnet (c) yeast (d) dry hair
33. 33.⚡ Which of these jumps to a charged comb? (a) a brick (b) a pebble (c) a thin water stream (d) a heavy book
34. 34.⚡ Which of these does not move to a charged comb? (a) dry hair (b) puffed rice (c) tiny paper bits (d) a heavy book
35. 35.🧺 Which of these is needed for the static comb? (a) a magnet (b) tiny paper bits (c) a mirror (d) yeast
36. 36.⚖️ 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
37. 37.True or false: thermocol bits does not move to a charged comb. (a) False (b) True
38. 38.⚖️ 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 paper bit size
39. 39.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a balloon (c) a mirror (d) yeast
40. 40.⚖️ 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) False (b) True

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