Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 259 · 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: vinegar is needed for the static comb. (a) False (b) True
2. 2.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
3. 3.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
4. 4.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
5. 5.True or false: dry hair jumps to a charged comb. (a) True (b) False
6. 6.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
7. 7.⚡ A rubbed comb is held near a heavy book. What happens? (a) does not move (b) jumps to the comb
8. 8.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
9. 9.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it sticks for a while (b) it turns into water (c) it falls straight down (d) it bursts at once
10. 10.🧺 Which of these is needed for the static comb? (a) tiny paper bits (b) vinegar (c) a magnet (d) a mirror
11. 11.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) vinegar (d) dry hair
12. 12.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) dry hair (c) a magnet (d) a plastic comb
13. 13.⚖️ 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
14. 14.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) indoors (c) on a rooftop (d) in an open field
15. 15.⚖️ 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) the same hair (c) paper bits picked up (d) distance to the paper
16. 16.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
17. 17.⚡ Which big natural spark is caused by static electricity? (a) lightning (b) dew (c) a rainbow (d) the wind
18. 18.🔍 Which is the odd one out? (a) a pebble (b) a heavy book (c) a thin water stream (d) a steel spoon
19. 19.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) a balloon (d) turmeric powder
20. 20.🔮 Predict: you wet the comb before trying again. What happens? (a) it hardly works (b) it lights up (c) it works better (d) it becomes a magnet
21. 21.⚖️ 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
22. 22.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
23. 23.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a battery cell (b) dry hair (c) a plastic comb (d) a balloon
24. 24.True or false: a mirror is not needed for the static comb. (a) True (b) False
25. 25.True or false: a heavy book does not move to a charged comb. (a) True (b) False
26. 26.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) magnetism (c) static electricity (d) gravity
27. 27.🛟 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
28. 28.🧺 Which of these is not needed for the static comb? (a) dry hair (b) tiny paper bits (c) yeast (d) a balloon
29. 29.True or false: vinegar is not needed for the static comb. (a) True (b) False
30. 30.⚖️ 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) paper bits picked up (c) distance to the paper (d) number of rubs
31. 31.⚖️ 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
32. 32.⚖️ 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) True (b) False
33. 33.🧺 Which of these is needed for the static comb? (a) a magnet (b) a balloon (c) yeast (d) a mirror
34. 34.⚖️ 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
35. 35.🧺 Which of these is needed for the static comb? (a) a battery cell (b) turmeric powder (c) a plastic comb (d) vinegar
36. 36.⚖️ 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
37. 37.⚡ Why does the rubbed comb pull the paper bits? (a) it is sticky (b) it is hot (c) it has static charge (d) it is a magnet
38. 38.⚖️ 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
39. 39.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we keep it the same (b) we change it (c) we measure it
40. 40.🔍 Which is the odd one out? (a) puffed rice (b) tiny paper bits (c) dry hair (d) a pebble

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