Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 125 · 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: a battery cell is not needed for the static comb. (a) True (b) False
2. 2.True or false: yeast is not needed for the static comb. (a) False (b) True
3. 3.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) indoors (c) in an open field (d) under a tall tree
4. 4.🔍 Which is the odd one out? (a) a brick (b) tiny paper bits (c) a thin water stream (d) puffed rice
5. 5.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
6. 6.True or false: a magnet is needed for the static comb. (a) False (b) True
7. 7.⚖️ 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
8. 8.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it sticks for a while (b) it falls straight down (c) it bursts at once (d) it turns into water
9. 9.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) number of rubs (b) paper bits picked up (c) the same hair (d) distance to the paper
10. 10.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) dew (c) lightning (d) the wind
11. 11.⚖️ 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
12. 12.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) turmeric powder (c) dry hair (d) tiny paper bits
13. 13.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we change it (b) we keep it the same (c) we measure it
14. 14.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) thermocol bits (c) tiny paper bits (d) a heavy book
15. 15.True or false: a mirror is not needed for the static comb. (a) False (b) True
16. 16.⚡ Why does the rubbed comb pull the paper bits? (a) it has static charge (b) it is a magnet (c) it is sticky (d) it is hot
17. 17.🧺 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 magnet
18. 18.🔍 Which is the odd one out? (a) thermocol bits (b) a steel spoon (c) a brick (d) a pebble
19. 19.⚖️ 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
20. 20.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is the one thing we change. (a) True (b) False
21. 21.True or false: vinegar is not needed for the static comb. (a) True (b) False
22. 22.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) magnetism (c) sunlight (d) static electricity
23. 23.True or false: a plastic comb is not needed for the static comb. (a) True (b) False
24. 24.True or false: a mirror is needed for the static comb. (a) True (b) False
25. 25.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
26. 26.True or false: a balloon is needed for the static comb. (a) True (b) False
27. 27.🔍 Which is the odd one out? (a) a brick (b) a pebble (c) a heavy book (d) puffed rice
28. 28.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) nothing happens (b) the bits jump to it (c) they turn blue (d) they turn wet
29. 29.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) tiny paper bits (c) vinegar (d) a battery cell
30. 30.🧺 Which of these is needed for the static comb? (a) a battery cell (b) vinegar (c) turmeric powder (d) dry hair
31. 31.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a battery cell (c) a plastic comb (d) dry hair
32. 32.⚖️ 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
33. 33.🧺 Do we need vinegar for the static comb? (a) not needed (b) needed
34. 34.⚖️ 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
35. 35.True or false: turmeric powder is needed for the static comb. (a) True (b) False
36. 36.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) a rubbed balloon (c) plug points at home (d) paper bits on a comb
37. 37.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a balloon (c) a magnet (d) tiny paper bits
38. 38.True or false: a heavy book does not move to a charged comb. (a) False (b) True
39. 39.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
40. 40.🧺 Which of these is needed for the static comb? (a) a balloon (b) yeast (c) a mirror (d) a magnet

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