Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 460 · 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: a pebble does not move to a charged comb. (a) False (b) True
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) a rubbed balloon (d) plug points at home
3. 3.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) on a rooftop (c) in an open field (d) indoors
4. 4.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
5. 5.True or false: a pebble jumps to a charged comb. (a) True (b) False
6. 6.⚖️ 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) False (b) True
7. 7.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) dry hair (c) a magnet (d) a plastic comb
8. 8.🧺 Which of these is not needed for the static comb? (a) a balloon (b) a plastic comb (c) dry hair (d) vinegar
9. 9.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it bursts at once (c) it sticks for a while (d) it turns into water
10. 10.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) distance to the paper (b) paper bits picked up (c) number of rubs
11. 11.True or false: turmeric powder is needed for the static comb. (a) False (b) True
12. 12.⚖️ 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
13. 13.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a mirror (c) tiny paper bits (d) a plastic comb
14. 14.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
15. 15.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a balloon (c) dry hair (d) a magnet
16. 16.⚡ Why does the rubbed comb pull the paper bits? (a) it is hot (b) it is sticky (c) it is a magnet (d) it has static charge
17. 17.🔍 Which is the odd one out? (a) dry hair (b) tiny paper bits (c) a heavy book (d) a thin water stream
18. 18.🔍 Which is the odd one out? (a) a brick (b) thermocol bits (c) a steel spoon (d) a heavy book
19. 19.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) static electricity (c) gravity (d) magnetism
20. 20.🧺 Do we need vinegar for the static comb? (a) not needed (b) needed
21. 21.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) the bits jump to it (c) they turn blue (d) nothing happens
22. 22.⚖️ 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
23. 23.🔍 Which is the odd one out? (a) a brick (b) a heavy book (c) a steel spoon (d) a thin water stream
24. 24.True or false: dry hair jumps to a charged comb. (a) True (b) False
25. 25.⚖️ 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
26. 26.🔍 Which is the odd one out? (a) a thin water stream (b) a steel spoon (c) tiny paper bits (d) dry hair
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) number of rubs (b) the same hair (c) paper bits picked up (d) the same comb
28. 28.🔍 Which is the odd one out? (a) tiny paper bits (b) thermocol bits (c) a pebble (d) dry hair
29. 29.⚡ Why does the comb trick work best on a dry day? (a) wet hair is magnetic (b) dry days are noisy (c) water adds charge (d) damp air leaks charge
30. 30.🔮 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
31. 31.True or false: a heavy book jumps to a charged comb. (a) False (b) True
32. 32.True or false: puffed rice does not move to a charged comb. (a) False (b) True
33. 33.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) distance to the paper (b) paper bits picked up (c) the same hair (d) the paper bit size
34. 34.🧺 Which of these is needed for the static comb? (a) a balloon (b) vinegar (c) a battery cell (d) a mirror
35. 35.True or false: a thin water stream does not move to a charged comb. (a) True (b) False
36. 36.True or false: a magnet is not needed for the static comb. (a) True (b) False
37. 37.⚖️ 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) the same comb
38. 38.True or false: a plastic comb is needed for the static comb. (a) True (b) False
39. 39.⚡ Which of these does not move to a charged comb? (a) dry hair (b) puffed rice (c) a steel spoon (d) tiny paper bits
40. 40.⚖️ 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

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