Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 93 · 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.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) dry hair (c) a balloon (d) a magnet
2. 2.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the same comb (b) paper bits picked up (c) distance to the paper (d) number of rubs
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.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a plastic comb (c) tiny paper bits (d) yeast
5. 5.🛟 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
6. 6.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) distance to the paper (b) the paper bit size (c) the same comb (d) number of rubs
7. 7.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
8. 8.🔍 Which is the odd one out? (a) tiny paper bits (b) a pebble (c) a steel spoon (d) a brick
9. 9.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) nothing happens (c) the bits jump to it (d) they turn blue
10. 10.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
11. 11.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
12. 12.🧺 Which of these is not needed for the static comb? (a) a balloon (b) tiny paper bits (c) dry hair (d) yeast
13. 13.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
14. 14.🧺 Which of these is needed for the static comb? (a) vinegar (b) yeast (c) a battery cell (d) tiny paper bits
15. 15.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the same comb (b) number of rubs (c) paper bits picked up
16. 16.⚡ Why does the comb trick work best on a dry day? (a) wet hair is magnetic (b) water adds charge (c) damp air leaks charge (d) dry days are noisy
17. 17.⚖️ 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
18. 18.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a plastic comb (c) turmeric powder (d) a balloon
19. 19.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) a thin water stream (c) a heavy book (d) tiny paper bits
20. 20.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) the water freezes (c) nothing at all (d) the stream bends
21. 21.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
22. 22.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
23. 23.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
24. 24.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we measure it (b) we change it (c) we keep it the same
25. 25.⚡ Which of these jumps to a charged comb? (a) tiny paper bits (b) a pebble (c) a heavy book (d) a brick
26. 26.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
27. 27.🔍 Which is the odd one out? (a) tiny paper bits (b) thermocol bits (c) puffed rice (d) a pebble
28. 28.⚖️ 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) the paper bit size (c) number of rubs
29. 29.🛟 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
30. 30.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
31. 31.🔮 Predict: you wet the comb before trying again. What happens? (a) it hardly works (b) it becomes a magnet (c) it works better (d) it lights up
32. 32.True or false: a magnet is not needed for the static comb. (a) True (b) False
33. 33.⚡ Which of these jumps to a charged comb? (a) a brick (b) dry hair (c) a heavy book (d) a pebble
34. 34.⚖️ 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 change it (c) we keep it the same
35. 35.True or false: a thin water stream jumps to a charged comb. (a) True (b) False
36. 36.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a balloon (c) tiny paper bits (d) vinegar
37. 37.⚖️ 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
38. 38.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is the one thing we change. (a) False (b) True
39. 39.⚖️ 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) False (b) True
40. 40.⚖️ 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

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