Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 509 · 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.True or false: tiny paper bits is needed for the static comb. (a) True (b) False
2. 2.True or false: vinegar is needed for the static comb. (a) True (b) False
3. 3.🧺 Which of these is needed for the static comb? (a) a battery cell (b) yeast (c) a magnet (d) tiny paper bits
4. 4.True or false: a balloon is needed for the static comb. (a) True (b) False
5. 5.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
6. 6.🔍 Which is the odd one out? (a) a heavy book (b) a pebble (c) thermocol bits (d) a steel spoon
7. 7.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) number of rubs (b) distance to the paper (c) paper bits picked up
8. 8.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we keep it the same (b) we measure it (c) we change it
9. 9.⚖️ 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
10. 10.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) paper bits picked up (b) the paper bit size (c) the same comb (d) number of rubs
11. 11.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a plastic comb (c) turmeric powder (d) tiny paper bits
12. 12.⚡ Which of these jumps to a charged comb? (a) tiny paper bits (b) a brick (c) a pebble (d) a heavy book
13. 13.True or false: a magnet is needed for the static comb. (a) False (b) True
14. 14.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
15. 15.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
16. 16.True or false: a steel spoon does not move to a charged comb. (a) True (b) False
17. 17.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) number of rubs (b) paper bits picked up (c) the same comb (d) distance to the paper
18. 18.🧺 Which of these is not needed for the static comb? (a) dry hair (b) yeast (c) a plastic comb (d) a balloon
19. 19.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it turns into water (b) it sticks for a while (c) it falls straight down (d) it bursts at once
20. 20.⚖️ 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) False (b) True
21. 21.⚖️ 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 change it (c) we keep it the same
22. 22.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a steel spoon (c) a pebble (d) puffed rice
23. 23.True or false: a brick does not move to a charged comb. (a) False (b) True
24. 24.True or false: a steel spoon jumps to a charged comb. (a) True (b) False
25. 25.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a balloon (c) a plastic comb (d) a mirror
26. 26.🛟 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
27. 27.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it hardly works (c) it lights up (d) it works better
28. 28.True or false: a plastic comb is needed for the static comb. (a) True (b) False
29. 29.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the paper bit size (b) paper bits picked up (c) number of rubs
30. 30.⚡ Why does the comb trick work best on a dry day? (a) water adds charge (b) dry days are noisy (c) damp air leaks charge (d) wet hair is magnetic
31. 31.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) on a rooftop (c) indoors (d) in an open field
32. 32.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) yeast (b) tiny paper bits (c) a balloon (d) a plastic comb
33. 33.⚖️ 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
34. 34.⚖️ 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
35. 35.🔍 Which is the odd one out? (a) a heavy book (b) a pebble (c) puffed rice (d) a steel spoon
36. 36.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a thin water stream (c) a steel spoon (d) a pebble
37. 37.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a mirror (c) dry hair (d) a plastic comb
38. 38.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
39. 39.True or false: a pebble does not move to a charged comb. (a) True (b) False
40. 40.🔍 Which is the odd one out? (a) a steel spoon (b) a brick (c) dry hair (d) a heavy book

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