Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 690 · 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) not needed (b) needed
2. 2.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) indoors (c) under a tall tree (d) on a rooftop
3. 3.True or false: a thin water stream jumps to a charged comb. (a) True (b) False
4. 4.⚖️ 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) the same hair (c) number of rubs (d) paper bits picked up
5. 5.⚖️ 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 change it (c) we measure it
6. 6.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) a magnet (d) a balloon
7. 7.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
8. 8.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is kept the same. (a) False (b) True
9. 9.⚖️ 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
10. 10.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
11. 11.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a heavy book (c) dry hair (d) a brick
12. 12.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is the one thing we change. (a) True (b) False
13. 13.⚖️ 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 measure it (c) we change it
14. 14.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we keep it the same (b) we change it (c) we measure it
15. 15.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is the one thing we change. (a) True (b) False
16. 16.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
17. 17.⚖️ 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) distance to the paper
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 keep it the same (b) we measure it (c) we change it
19. 19.True or false: tiny paper bits does not move to a charged comb. (a) False (b) True
20. 20.⚡ Which big natural spark is caused by static electricity? (a) lightning (b) a rainbow (c) dew (d) the wind
21. 21.True or false: a pebble jumps to a charged comb. (a) False (b) True
22. 22.🔍 Which is the odd one out? (a) a pebble (b) a steel spoon (c) a heavy book (d) dry hair
23. 23.True or false: thermocol bits jumps to a charged comb. (a) True (b) False
24. 24.True or false: thermocol bits does not move to a charged comb. (a) False (b) True
25. 25.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) turmeric powder (b) tiny paper bits (c) a plastic comb (d) dry hair
26. 26.True or false: a thin water stream does not move to a charged comb. (a) True (b) False
27. 27.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
28. 28.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn blue (b) they turn wet (c) nothing happens (d) the bits jump to it
29. 29.True or false: a mirror is needed for the static comb. (a) False (b) True
30. 30.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it turns into water (b) it sticks for a while (c) it falls straight down (d) it bursts at once
31. 31.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) magnetism (c) gravity (d) static electricity
32. 32.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
33. 33.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) nothing at all (b) the water freezes (c) the stream bends (d) the water stops
34. 34.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) plug points at home (c) a rubbed plastic comb (d) paper bits on a comb
35. 35.⚖️ 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
36. 36.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a magnet (c) dry hair (d) a battery cell
37. 37.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
38. 38.True or false: a brick does not move to a charged comb. (a) False (b) True
39. 39.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) turmeric powder (c) a plastic comb (d) dry hair
40. 40.⚡ Why does the rubbed comb pull the paper bits? (a) it is a magnet (b) it is sticky (c) it has static charge (d) it is hot

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