Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 924 · 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.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) a rubbed balloon (c) plug points at home (d) paper bits on a comb
2. 2.🔍 Which is the odd one out? (a) a brick (b) thermocol bits (c) a thin water stream (d) tiny paper bits
3. 3.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a plastic comb (c) vinegar (d) a balloon
4. 4.True or false: turmeric powder is needed for the static comb. (a) True (b) False
5. 5.⚖️ 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) True (b) False
6. 6.🔍 Which is the odd one out? (a) tiny paper bits (b) a steel spoon (c) a thin water stream (d) thermocol bits
7. 7.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is what we measure. (a) False (b) True
8. 8.⚖️ 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 same comb (c) paper bits picked up (d) number of rubs
9. 9.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) indoors (c) under a tall tree (d) on a rooftop
10. 10.True or false: a balloon is needed for the static comb. (a) False (b) True
11. 11.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a battery cell (c) dry hair (d) a plastic comb
12. 12.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
13. 13.True or false: yeast is not needed for the static comb. (a) True (b) False
14. 14.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
15. 15.🔍 Which is the odd one out? (a) a heavy book (b) a steel spoon (c) a pebble (d) dry hair
16. 16.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) yeast (c) a balloon (d) a plastic comb
17. 17.🧺 Which of these is needed for the static comb? (a) yeast (b) tiny paper bits (c) vinegar (d) a magnet
18. 18.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is the one thing we change. (a) False (b) True
19. 19.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) yeast (c) a plastic comb (d) dry hair
20. 20.🧺 Which of these is needed for the static comb? (a) a balloon (b) turmeric powder (c) a mirror (d) a magnet
21. 21.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
22. 22.⚡ Which of these jumps to a charged comb? (a) a pebble (b) dry hair (c) a steel spoon (d) a brick
23. 23.⚖️ 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) False (b) True
24. 24.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a balloon (c) a magnet (d) dry hair
25. 25.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) paper bits picked up (b) number of rubs (c) the same comb (d) the paper bit size
26. 26.True or false: a heavy book does not move to a charged comb. (a) False (b) True
27. 27.⚡ Which big natural spark is caused by static electricity? (a) the wind (b) a rainbow (c) dew (d) lightning
28. 28.True or false: turmeric powder is not needed for the static comb. (a) True (b) False
29. 29.⚖️ 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) the same hair (c) paper bits picked up
30. 30.⚖️ 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) the same comb (c) paper bits picked up
31. 31.True or false: a steel spoon jumps to a charged comb. (a) False (b) True
32. 32.True or false: a mirror is needed for the static comb. (a) True (b) False
33. 33.⚡ Which of these does not move to a charged comb? (a) a steel spoon (b) tiny paper bits (c) dry hair (d) puffed rice
34. 34.🔍 Which is the odd one out? (a) thermocol bits (b) puffed rice (c) a thin water stream (d) a heavy book
35. 35.⚡ Which of these jumps to a charged comb? (a) a thin water stream (b) a brick (c) a heavy book (d) a steel spoon
36. 36.🔮 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
37. 37.🔮 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
38. 38.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) static electricity (c) sunlight (d) gravity
39. 39.⚡ Why does the rubbed comb pull the paper bits? (a) it is a magnet (b) it is hot (c) it is sticky (d) it has static charge
40. 40.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed

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