Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 210 · 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 not needed for the static comb? (a) a plastic comb (b) a magnet (c) dry hair (d) a balloon
2. 2.True or false: a heavy book does not move to a charged comb. (a) False (b) True
3. 3.⚡ Why does the rubbed comb pull the paper bits? (a) it is sticky (b) it is a magnet (c) it has static charge (d) it is hot
4. 4.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) tiny paper bits (c) a steel spoon (d) a brick
5. 5.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
6. 6.⚖️ 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) True (b) False
7. 7.🧺 Which of these is needed for the static comb? (a) a mirror (b) dry hair (c) a magnet (d) yeast
8. 8.⚡ Why does the comb trick work best on a dry day? (a) damp air leaks charge (b) wet hair is magnetic (c) water adds charge (d) dry days are noisy
9. 9.🔮 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
10. 10.⚖️ 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
11. 11.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) dry hair (c) a battery cell (d) tiny paper bits
12. 12.🛟 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
13. 13.🔍 Which is the odd one out? (a) a steel spoon (b) dry hair (c) a brick (d) a pebble
14. 14.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
15. 15.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a balloon (c) vinegar (d) tiny paper bits
16. 16.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a balloon (c) dry hair (d) yeast
17. 17.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is kept the same. (a) False (b) True
18. 18.⚖️ 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 keep it the same (c) we change it
19. 19.🧺 Which of these is needed for the static comb? (a) yeast (b) vinegar (c) a battery cell (d) tiny paper bits
20. 20.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
21. 21.🔍 Which is the odd one out? (a) a thin water stream (b) a pebble (c) thermocol bits (d) dry hair
22. 22.🔍 Which is the odd one out? (a) thermocol bits (b) a thin water stream (c) dry hair (d) a brick
23. 23.🔮 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
24. 24.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
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 keep it the same (b) we change it (c) we measure it
26. 26.⚖️ 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) the same hair (c) the same comb (d) number of rubs
27. 27.🔍 Which is the odd one out? (a) a steel spoon (b) tiny paper bits (c) a heavy book (d) a brick
28. 28.True or false: a brick jumps to a charged comb. (a) False (b) True
29. 29.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
30. 30.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
31. 31.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we keep it the same (b) we measure it (c) we change it
32. 32.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) dry hair (c) a plastic comb (d) a magnet
33. 33.True or false: puffed rice jumps to a charged comb. (a) False (b) True
34. 34.⚖️ 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) paper bits picked up (c) the paper bit size
35. 35.🛟 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
36. 36.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) dry hair (c) puffed rice (d) a brick
37. 37.⚡ Which big natural spark is caused by static electricity? (a) lightning (b) dew (c) the wind (d) a rainbow
38. 38.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) dry hair (c) a plastic comb (d) turmeric powder
39. 39.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
40. 40.🔍 Which is the odd one out? (a) a heavy book (b) a brick (c) puffed rice (d) a steel spoon

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