Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 66 · 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.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
2. 2.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is kept the same. (a) True (b) False
3. 3.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) thermocol bits (c) a brick (d) a pebble
4. 4.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) dry hair (c) tiny paper bits (d) turmeric powder
5. 5.⚖️ 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) distance to the paper
6. 6.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) a mirror (d) dry hair
7. 7.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
8. 8.⚡ Why does the rubbed comb pull the paper bits? (a) it is hot (b) it has static charge (c) it is a magnet (d) it is sticky
9. 9.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the stream bends (b) the water stops (c) nothing at all (d) the water freezes
10. 10.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a plastic comb (c) a balloon (d) turmeric powder
11. 11.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a battery cell (c) tiny paper bits (d) a plastic comb
12. 12.True or false: a thin water stream jumps to a charged comb. (a) False (b) True
13. 13.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) yeast (d) a plastic comb
14. 14.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is what we measure. (a) True (b) False
15. 15.⚖️ 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 measure it (c) we change it
16. 16.⚡ Why does the comb trick work best on a dry day? (a) damp air leaks charge (b) wet hair is magnetic (c) dry days are noisy (d) water adds charge
17. 17.True or false: a mirror is needed for the static comb. (a) True (b) False
18. 18.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a pebble (c) dry hair (d) a steel spoon
19. 19.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
20. 20.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) dry hair (c) vinegar (d) a mirror
21. 21.🛟 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
22. 22.True or false: vinegar is needed for the static comb. (a) True (b) False
23. 23.🧺 Do we need vinegar for the static comb? (a) not needed (b) needed
24. 24.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is the one thing we change. (a) True (b) False
25. 25.⚖️ 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
26. 26.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we measure it (b) we change it (c) we keep it the same
27. 27.🧺 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 magnet
28. 28.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) the bits jump to it (b) they turn blue (c) nothing happens (d) they turn wet
29. 29.🔍 Which is the odd one out? (a) thermocol bits (b) a thin water stream (c) puffed rice (d) a heavy book
30. 30.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) thermocol bits (c) a brick (d) a thin water stream
31. 31.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) sunlight (c) static electricity (d) magnetism
32. 32.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) dry hair (c) a balloon (d) a mirror
33. 33.🔮 Predict: you wet the comb before trying again. What happens? (a) it hardly works (b) it becomes a magnet (c) it lights up (d) it works better
34. 34.⚡ Which big natural spark is caused by static electricity? (a) dew (b) a rainbow (c) the wind (d) lightning
35. 35.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a steel spoon (c) a pebble (d) tiny paper bits
36. 36.⚡ Which of these does not move to a charged comb? (a) dry hair (b) puffed rice (c) a steel spoon (d) thermocol bits
37. 37.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) plug points at home (c) paper bits on a comb (d) a rubbed balloon
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 measure it (b) we keep it the same (c) we change it
39. 39.True or false: a heavy book jumps to a charged comb. (a) False (b) True
40. 40.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed

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