Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 826 · 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.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
2. 2.⚡ Which of these jumps to a charged comb? (a) thermocol bits (b) a steel spoon (c) a brick (d) a heavy book
3. 3.🧺 Which of these is not needed for the static comb? (a) vinegar (b) a plastic comb (c) dry hair (d) a balloon
4. 4.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) vinegar (b) a plastic comb (c) dry hair (d) tiny paper bits
5. 5.⚖️ 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 paper bit size (c) the same comb (d) paper bits picked up
6. 6.🧺 Which of these is needed for the static comb? (a) a battery cell (b) vinegar (c) a magnet (d) tiny paper bits
7. 7.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
8. 8.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
9. 9.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it lights up (c) it hardly works (d) it becomes a magnet
10. 10.True or false: dry hair does not move to a charged comb. (a) False (b) True
11. 11.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) a rubbed plastic comb (c) paper bits on a comb (d) plug points at home
12. 12.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) a thin water stream (c) tiny paper bits (d) a heavy book
13. 13.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) dry hair (d) a mirror
14. 14.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) under a tall tree (c) in an open field (d) on a rooftop
15. 15.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it turns into water (c) it sticks for a while (d) it bursts at once
16. 16.True or false: a pebble jumps to a charged comb. (a) False (b) True
17. 17.⚖️ 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
18. 18.🔍 Which is the odd one out? (a) a pebble (b) dry hair (c) a brick (d) a steel spoon
19. 19.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) static electricity (c) gravity (d) sunlight
20. 20.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
21. 21.True or false: a heavy book does not move to a charged comb. (a) True (b) False
22. 22.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
23. 23.True or false: a balloon is needed for the static comb. (a) False (b) True
24. 24.True or false: a mirror is needed for the static comb. (a) False (b) True
25. 25.⚖️ 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
26. 26.⚖️ 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 keep it the same (c) we measure it
27. 27.True or false: tiny paper bits jumps to a charged comb. (a) True (b) False
28. 28.🧺 Do we need vinegar for the static comb? (a) not needed (b) needed
29. 29.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn blue (b) they turn wet (c) the bits jump to it (d) nothing happens
30. 30.True or false: a balloon is not needed for the static comb. (a) True (b) False
31. 31.🔍 Which is the odd one out? (a) a steel spoon (b) dry hair (c) tiny paper bits (d) a thin water stream
32. 32.True or false: puffed rice jumps to a charged comb. (a) True (b) False
33. 33.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
34. 34.🧺 Which of these is needed for the static comb? (a) a magnet (b) a battery cell (c) a mirror (d) dry hair
35. 35.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we change it (b) we keep it the same (c) we measure it
36. 36.🔍 Which is the odd one out? (a) tiny paper bits (b) a thin water stream (c) dry hair (d) a heavy book
37. 37.⚡ Why does the rubbed comb pull the paper bits? (a) it is a magnet (b) it has static charge (c) it is sticky (d) it is hot
38. 38.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) a battery cell (d) dry hair
39. 39.True or false: a plastic comb is not needed for the static comb. (a) False (b) True
40. 40.🧺 Which of these is not needed for the static comb? (a) a balloon (b) a plastic comb (c) yeast (d) dry hair

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