Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 153 · 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.🔮 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
2. 2.🔍 Which is the odd one out? (a) a thin water stream (b) a brick (c) thermocol bits (d) puffed rice
3. 3.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) a rubbed plastic comb (c) a rubbed balloon (d) plug points at home
4. 4.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) sunlight (c) static electricity (d) gravity
5. 5.⚖️ 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) number of rubs (c) the paper bit size (d) paper bits picked up
6. 6.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a balloon (c) a magnet (d) a plastic comb
7. 7.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
8. 8.⚡ Which of these jumps to a charged comb? (a) a pebble (b) puffed rice (c) a brick (d) a heavy book
9. 9.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) the bits jump to it (b) nothing happens (c) they turn wet (d) they turn blue
10. 10.⚡ Which of these does not move to a charged comb? (a) dry hair (b) thermocol bits (c) a thin water stream (d) a brick
11. 11.⚖️ 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
12. 12.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a thin water stream (c) a pebble (d) a heavy book
13. 13.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
14. 14.⚖️ 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 keep it the same (c) we change it
15. 15.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a plastic comb (c) a balloon (d) yeast
16. 16.⚡ Which of these jumps to a charged comb? (a) thermocol bits (b) a steel spoon (c) a brick (d) a heavy book
17. 17.True or false: turmeric powder is not needed for the static comb. (a) True (b) False
18. 18.🧺 Which of these is not needed for the static comb? (a) a balloon (b) a magnet (c) a plastic comb (d) tiny paper bits
19. 19.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a plastic comb (c) a mirror (d) dry hair
20. 20.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
21. 21.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) under a tall tree (c) indoors (d) on a rooftop
22. 22.🔍 Which is the odd one out? (a) tiny paper bits (b) thermocol bits (c) a heavy book (d) a thin water stream
23. 23.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
24. 24.True or false: dry hair does not move to a charged comb. (a) True (b) False
25. 25.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is kept the same. (a) False (b) True
26. 26.⚖️ 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 hair (b) the paper bit size (c) the same comb (d) number of rubs
27. 27.🧺 Which of these is needed for the static comb? (a) a mirror (b) a plastic comb (c) turmeric powder (d) a battery cell
28. 28.⚡ Why does the rubbed comb pull the paper bits? (a) it is hot (b) it has static charge (c) it is a magnet (d) it is sticky
29. 29.🔮 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
30. 30.True or false: a plastic comb is needed for the static comb. (a) True (b) False
31. 31.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we change it (b) we measure it (c) we keep it the same
32. 32.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
33. 33.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is what we measure. (a) False (b) True
34. 34.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is what we measure. (a) False (b) True
35. 35.⚖️ 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 paper bit size (c) paper bits picked up
36. 36.True or false: a battery cell is needed for the static comb. (a) True (b) False
37. 37.🧺 Which of these is needed for the static comb? (a) vinegar (b) dry hair (c) turmeric powder (d) yeast
38. 38.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a plastic comb (c) a balloon (d) turmeric powder
39. 39.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
40. 40.True or false: a battery cell is not needed for the static comb. (a) True (b) False

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