Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 842 · 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 needed for the static comb? (a) vinegar (b) a mirror (c) turmeric powder (d) dry hair
2. 2.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) tiny paper bits (c) a heavy book (d) dry hair
3. 3.True or false: vinegar is not needed for the static comb. (a) False (b) True
4. 4.🧺 Do we need vinegar for the static comb? (a) not needed (b) needed
5. 5.🔍 Which is the odd one out? (a) a heavy book (b) dry hair (c) puffed rice (d) thermocol bits
6. 6.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) in an open field (c) on a rooftop (d) indoors
7. 7.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) the water freezes (c) nothing at all (d) the stream bends
8. 8.🔍 Which is the odd one out? (a) thermocol bits (b) a steel spoon (c) a pebble (d) a heavy book
9. 9.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) puffed rice (c) a steel spoon (d) dry hair
10. 10.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it sticks for a while (c) it falls straight down (d) it turns into water
11. 11.True or false: a pebble jumps to a charged comb. (a) False (b) True
12. 12.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
13. 13.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a thin water stream (c) a brick (d) a pebble
14. 14.⚡ Which of these does not move to a charged comb? (a) dry hair (b) a thin water stream (c) puffed rice (d) a pebble
15. 15.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
16. 16.True or false: a magnet is needed for the static comb. (a) True (b) False
17. 17.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a plastic comb (c) tiny paper bits (d) a mirror
18. 18.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a magnet (c) a plastic comb (d) a balloon
19. 19.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is kept the same. (a) False (b) True
20. 20.⚖️ 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
21. 21.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a battery cell (c) a balloon (d) dry hair
22. 22.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) they turn blue (c) the bits jump to it (d) nothing happens
23. 23.True or false: thermocol bits jumps to a charged comb. (a) False (b) True
24. 24.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) magnetism (c) sunlight (d) static electricity
25. 25.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) paper bits picked up (b) the same hair (c) distance to the paper (d) number of rubs
26. 26.🧺 Which of these is needed for the static comb? (a) a mirror (b) a battery cell (c) tiny paper bits (d) yeast
27. 27.True or false: a heavy book jumps to a charged comb. (a) True (b) False
28. 28.True or false: turmeric powder is not needed for the static comb. (a) True (b) False
29. 29.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) dry hair (c) a balloon (d) turmeric powder
30. 30.True or false: a steel spoon does not move to a charged comb. (a) False (b) True
31. 31.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
32. 32.⚖️ 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) the same hair (c) paper bits picked up
33. 33.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) a rubbed balloon (c) a rubbed plastic comb (d) plug points at home
34. 34.⚡ Which of these jumps to a charged comb? (a) thermocol bits (b) a heavy book (c) a steel spoon (d) a brick
35. 35.⚡ Which big natural spark is caused by static electricity? (a) dew (b) lightning (c) a rainbow (d) the wind
36. 36.True or false: yeast is needed for the static comb. (a) True (b) False
37. 37.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
38. 38.⚡ Why does the rubbed comb pull the paper bits? (a) it has static charge (b) it is a magnet (c) it is hot (d) it is sticky
39. 39.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
40. 40.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we keep it the same (b) we measure it (c) we change it

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