Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 738 · 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? True or false: the same hair is kept the same. (a) True (b) False
2. 2.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a steel spoon (c) a pebble (d) puffed rice
3. 3.🔍 Which is the odd one out? (a) a pebble (b) dry hair (c) a brick (d) a heavy book
4. 4.🛟 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) plug points at home (d) a rubbed balloon
5. 5.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
6. 6.🔍 Which is the odd one out? (a) a steel spoon (b) puffed rice (c) a brick (d) a heavy book
7. 7.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) tiny paper bits (c) a plastic comb (d) yeast
8. 8.🧺 Which of these is needed for the static comb? (a) a battery cell (b) a balloon (c) a magnet (d) vinegar
9. 9.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it falls straight down (c) it turns into water (d) it sticks for a while
10. 10.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
11. 11.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a mirror (c) dry hair (d) tiny paper bits
12. 12.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) dry hair (c) tiny paper bits (d) a pebble
13. 13.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a heavy book (c) a steel spoon (d) thermocol bits
14. 14.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it hardly works (c) it lights up (d) it becomes a magnet
15. 15.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) indoors (c) on a rooftop (d) under a tall tree
16. 16.⚖️ 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 hair
17. 17.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) a magnet (d) a plastic comb
18. 18.True or false: a heavy book jumps to a charged comb. (a) False (b) True
19. 19.🔍 Which is the odd one out? (a) tiny paper bits (b) a steel spoon (c) a thin water stream (d) thermocol bits
20. 20.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) puffed rice (c) a brick (d) dry hair
21. 21.🔍 Which is the odd one out? (a) tiny paper bits (b) a thin water stream (c) a heavy book (d) thermocol bits
22. 22.True or false: a pebble jumps to a charged comb. (a) True (b) False
23. 23.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
24. 24.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a pebble (c) a thin water stream (d) a steel spoon
25. 25.⚖️ 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
26. 26.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
27. 27.⚡ Why does the rubbed comb pull the paper bits? (a) it is sticky (b) it has static charge (c) it is hot (d) it is a magnet
28. 28.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
29. 29.⚖️ 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) True (b) False
30. 30.True or false: vinegar is needed for the static comb. (a) False (b) True
31. 31.⚡ Why does the comb trick work best on a dry day? (a) dry days are noisy (b) wet hair is magnetic (c) damp air leaks charge (d) water adds charge
32. 32.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is kept the same. (a) True (b) False
33. 33.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) turmeric powder (c) tiny paper bits (d) a plastic comb
34. 34.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) the wind (c) dew (d) lightning
35. 35.True or false: a heavy book does not move to a charged comb. (a) True (b) False
36. 36.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
37. 37.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) thermocol bits (c) dry hair (d) a heavy book
38. 38.⚖️ 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) distance to the paper (c) number of rubs (d) the same comb
39. 39.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
40. 40.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a brick (c) a steel spoon (d) tiny paper bits

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