Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 744 · 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 dry hair. 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 paper bit size is the one thing we change. (a) False (b) True
3. 3.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it turns into water (b) it bursts at once (c) it falls straight down (d) it sticks for a while
4. 4.True or false: dry hair is needed for the static comb. (a) True (b) False
5. 5.🧺 Which of these is needed for the static comb? (a) a battery cell (b) turmeric powder (c) yeast (d) a balloon
6. 6.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) indoors (c) on a rooftop (d) in an open field
7. 7.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
8. 8.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we change it (b) we keep it the same (c) we measure it
9. 9.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a pebble (c) a steel spoon (d) puffed rice
10. 10.🧺 Which of these is needed for the static comb? (a) vinegar (b) a magnet (c) yeast (d) dry hair
11. 11.True or false: thermocol bits does not move to a charged comb. (a) False (b) True
12. 12.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
13. 13.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we change it (b) we keep it the same (c) we measure it
14. 14.🔍 Which is the odd one out? (a) dry hair (b) thermocol bits (c) puffed rice (d) a pebble
15. 15.True or false: a magnet is needed for the static comb. (a) True (b) False
16. 16.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) magnetism (c) sunlight (d) static electricity
17. 17.⚖️ 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 measure it (c) we change it
18. 18.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) vinegar (c) a plastic comb (d) a balloon
19. 19.🔍 Which is the odd one out? (a) puffed rice (b) a heavy book (c) a brick (d) a pebble
20. 20.⚡ Why does the rubbed comb pull the paper bits? (a) it has static charge (b) it is hot (c) it is a magnet (d) it is sticky
21. 21.⚖️ 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
22. 22.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
23. 23.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we measure it (b) we change it (c) we keep it the same
24. 24.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
25. 25.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is kept the same. (a) True (b) False
26. 26.🧺 Which of these is not needed for the static comb? (a) dry hair (b) tiny paper bits (c) turmeric powder (d) a plastic comb
27. 27.True or false: a pebble jumps to a charged comb. (a) False (b) True
28. 28.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a balloon (c) a plastic comb (d) a mirror
29. 29.🛟 Static from a comb is safe. Which electricity must children never play with? (a) plug points at home (b) a rubbed balloon (c) paper bits on a comb (d) a rubbed plastic comb
30. 30.⚡ Which of these does not move to a charged comb? (a) dry hair (b) a steel spoon (c) thermocol bits (d) tiny paper bits
31. 31.🔍 Which is the odd one out? (a) a steel spoon (b) tiny paper bits (c) a thin water stream (d) dry hair
32. 32.🧺 Which of these is needed for the static comb? (a) a magnet (b) yeast (c) a battery cell (d) tiny paper bits
33. 33.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
34. 34.True or false: a magnet is not needed for the static comb. (a) True (b) False
35. 35.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) turmeric powder (b) a plastic comb (c) tiny paper bits (d) a balloon
36. 36.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
37. 37.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it hardly works (c) it works better (d) it lights up
38. 38.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) puffed rice (c) tiny paper bits (d) a pebble
39. 39.⚡ Which of these jumps to a charged comb? (a) a brick (b) a steel spoon (c) a pebble (d) tiny paper bits
40. 40.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is the one thing we change. (a) False (b) True

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