Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 639 · 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.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) in an open field (c) indoors (d) under a tall tree
2. 2.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) paper bits on a comb (c) plug points at home (d) a rubbed balloon
3. 3.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
4. 4.True or false: a thin water stream jumps to a charged comb. (a) False (b) True
5. 5.True or false: turmeric powder is needed for the static comb. (a) False (b) True
6. 6.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
7. 7.⚡ Why does the rubbed comb pull the paper bits? (a) it is hot (b) it has static charge (c) it is sticky (d) it is a magnet
8. 8.⚖️ 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) distance to the paper (c) paper bits picked up (d) the same comb
9. 9.🔍 Which is the odd one out? (a) a pebble (b) tiny paper bits (c) a brick (d) a steel spoon
10. 10.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it becomes a magnet (c) it works better (d) it hardly works
11. 11.⚖️ 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
12. 12.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) nothing happens (c) they turn blue (d) the bits jump to it
13. 13.🧺 Which of these is needed for the static comb? (a) dry hair (b) a magnet (c) a battery cell (d) a mirror
14. 14.⚖️ 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
15. 15.🧺 Which of these is needed for the static comb? (a) tiny paper bits (b) turmeric powder (c) vinegar (d) yeast
16. 16.⚖️ 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 keep it the same (c) we measure it
17. 17.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
18. 18.⚡ Which of these does not move to a charged comb? (a) dry hair (b) puffed rice (c) tiny paper bits (d) a brick
19. 19.🧺 Which of these is needed for the static comb? (a) yeast (b) a battery cell (c) a plastic comb (d) vinegar
20. 20.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) dry hair (c) a thin water stream (d) a steel spoon
21. 21.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) a balloon (c) dry hair (d) a battery cell
22. 22.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
23. 23.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the stream bends (b) nothing at all (c) the water freezes (d) the water stops
24. 24.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a pebble (c) thermocol bits (d) a brick
25. 25.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a brick (c) a heavy book (d) puffed rice
26. 26.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
27. 27.⚖️ 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 paper bit size (c) paper bits picked up (d) number of rubs
28. 28.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a battery cell (c) a balloon (d) tiny paper bits
29. 29.⚡ Why does the comb trick work best on a dry day? (a) dry days are noisy (b) wet hair is magnetic (c) damp air leaks charge (d) water adds charge
30. 30.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) vinegar (d) tiny paper bits
31. 31.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
32. 32.⚖️ 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
33. 33.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we measure it (b) we keep it the same (c) we change it
34. 34.⚖️ 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) distance to the paper (c) paper bits picked up
35. 35.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
36. 36.True or false: dry hair jumps to a charged comb. (a) False (b) True
37. 37.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
38. 38.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we change it (b) we keep it the same (c) we measure it
39. 39.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
40. 40.🧺 Do we need yeast for the static comb? (a) needed (b) not needed

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