Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 693 · 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 not needed for the static comb. (a) True (b) False
2. 2.True or false: thermocol bits jumps to a charged comb. (a) True (b) False
3. 3.🛟 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
4. 4.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a mirror (c) a plastic comb (d) tiny paper bits
5. 5.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) static electricity (b) magnetism (c) gravity (d) sunlight
6. 6.⚖️ 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 measure it (c) we keep it the same
7. 7.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is what we measure. (a) True (b) False
8. 8.True or false: a thin water stream does not move to a charged comb. (a) True (b) False
9. 9.True or false: thermocol bits does not move to a charged comb. (a) False (b) True
10. 10.🔍 Which is the odd one out? (a) dry hair (b) a thin water stream (c) a heavy book (d) thermocol bits
11. 11.🛟 Static from a comb is safe. Which electricity must children never play with? (a) plug points at home (b) a rubbed plastic comb (c) a rubbed balloon (d) paper bits on a comb
12. 12.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it becomes a magnet (c) it lights up (d) it hardly works
13. 13.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is what we measure. (a) True (b) False
14. 14.True or false: a balloon is needed for the static comb. (a) True (b) False
15. 15.🧺 Which of these is needed for the static comb? (a) tiny paper bits (b) a magnet (c) turmeric powder (d) a mirror
16. 16.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
17. 17.True or false: a plastic comb is not needed for the static comb. (a) False (b) True
18. 18.🔍 Which is the odd one out? (a) a brick (b) a heavy book (c) a pebble (d) puffed rice
19. 19.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is kept the same. (a) True (b) False
20. 20.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we keep it the same (b) we measure it (c) we change it
21. 21.⚖️ 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 measure it (c) we keep it the same
22. 22.🔮 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
23. 23.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the stream bends (b) the water stops (c) the water freezes (d) nothing at all
24. 24.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
25. 25.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the same hair (b) paper bits picked up (c) number of rubs
26. 26.True or false: a mirror is needed for the static comb. (a) True (b) False
27. 27.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
28. 28.⚖️ 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
29. 29.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) paper bits picked up (b) number of rubs (c) distance to the paper (d) the same comb
30. 30.True or false: a mirror is not needed for the static comb. (a) True (b) False
31. 31.🧺 Which of these is needed for the static comb? (a) a plastic comb (b) a magnet (c) turmeric powder (d) a mirror
32. 32.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a balloon (c) a mirror (d) tiny paper bits
33. 33.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we change it (b) we measure it (c) we keep it the same
34. 34.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) yeast (b) a plastic comb (c) tiny paper bits (d) a balloon
35. 35.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) a magnet (d) a balloon
36. 36.🧺 Which of these is needed for the static comb? (a) a magnet (b) a battery cell (c) a mirror (d) dry hair
37. 37.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a plastic comb (c) dry hair (d) a magnet
38. 38.⚡ Why does the comb trick work best on a dry day? (a) water adds charge (b) dry days are noisy (c) wet hair is magnetic (d) damp air leaks charge
39. 39.True or false: turmeric powder is needed for the static comb. (a) True (b) False
40. 40.⚖️ 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

Free science experiments lessons, practice and worksheets at talentjr.in/science-experiments-for-kids