Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 261 · 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.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is kept the same. (a) True (b) False
2. 2.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
3. 3.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we measure it (b) we keep it the same (c) we change it
4. 4.⚡ 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
5. 5.⚖️ 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
6. 6.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) sunlight (c) static electricity (d) magnetism
7. 7.True or false: a plastic comb is not needed for the static comb. (a) True (b) False
8. 8.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) yeast (d) a balloon
9. 9.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
10. 10.🔍 Which is the odd one out? (a) a heavy book (b) dry hair (c) puffed rice (d) tiny paper bits
11. 11.🔍 Which is the odd one out? (a) a pebble (b) a steel spoon (c) a brick (d) thermocol bits
12. 12.True or false: a magnet is needed for the static comb. (a) True (b) False
13. 13.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) a pebble (c) thermocol bits (d) puffed rice
14. 14.🧺 Which of these is needed for the static comb? (a) a magnet (b) a battery cell (c) vinegar (d) tiny paper bits
15. 15.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is the one thing we change. (a) True (b) False
16. 16.🧺 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) dry hair
17. 17.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
18. 18.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
19. 19.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) turmeric powder (c) a balloon (d) tiny paper bits
20. 20.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is kept the same. (a) True (b) False
21. 21.True or false: dry hair is needed for the static comb. (a) False (b) True
22. 22.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
23. 23.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is what we measure. (a) False (b) True
24. 24.🔍 Which is the odd one out? (a) a heavy book (b) a brick (c) puffed rice (d) a pebble
25. 25.🔮 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
26. 26.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
27. 27.⚖️ 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) False (b) True
28. 28.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we keep it the same (b) we change it (c) we measure it
29. 29.True or false: a mirror is not needed for the static comb. (a) True (b) False
30. 30.True or false: a pebble jumps to a charged comb. (a) False (b) True
31. 31.🛟 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
32. 32.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is the one thing we change. (a) True (b) False
33. 33.🧺 Which of these is needed for the static comb? (a) vinegar (b) a mirror (c) dry hair (d) a magnet
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.True or false: a thin water stream jumps to a charged comb. (a) True (b) False
36. 36.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) in an open field (c) indoors (d) on a rooftop
37. 37.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
38. 38.⚖️ 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) the paper bit size (d) number of rubs
39. 39.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it works better (c) it lights up (d) it hardly works
40. 40.⚖️ 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 change it (c) we measure it

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