Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 51 · 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: thermocol bits does not move to a charged comb. (a) True (b) False
2. 2.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) under a tall tree (c) on a rooftop (d) indoors
3. 3.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we keep it the same (b) we change it (c) we measure it
4. 4.⚡ Which of these jumps to a charged comb? (a) thermocol bits (b) a heavy book (c) a pebble (d) a steel spoon
5. 5.⚖️ 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 comb (b) number of rubs (c) the same hair (d) the paper bit size
6. 6.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the same hair (b) number of rubs (c) the same comb (d) paper bits picked up
7. 7.🧺 Which of these is needed for the static comb? (a) yeast (b) a plastic comb (c) vinegar (d) a magnet
8. 8.⚖️ 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 measure it (c) we keep it the same
9. 9.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) a mirror (d) a plastic comb
10. 10.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) a rubbed balloon (c) paper bits on a comb (d) plug points at home
11. 11.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
12. 12.🧺 Which of these is needed for the static comb? (a) a mirror (b) dry hair (c) a battery cell (d) a magnet
13. 13.🔍 Which is the odd one out? (a) puffed rice (b) thermocol bits (c) a pebble (d) a thin water stream
14. 14.True or false: a magnet is needed for the static comb. (a) True (b) False
15. 15.⚡ Why does the rubbed comb pull the paper bits? (a) it is a magnet (b) it has static charge (c) it is sticky (d) it is hot
16. 16.🔍 Which is the odd one out? (a) dry hair (b) thermocol bits (c) a heavy book (d) puffed rice
17. 17.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a balloon (c) turmeric powder (d) tiny paper bits
18. 18.True or false: puffed rice jumps to a charged comb. (a) True (b) False
19. 19.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
20. 20.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) they turn blue (c) nothing happens (d) the bits jump to it
21. 21.⚖️ 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) True (b) False
22. 22.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) thermocol bits (c) a thin water stream (d) a pebble
23. 23.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
24. 24.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) a thin water stream (c) puffed rice (d) a heavy book
25. 25.⚖️ 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
26. 26.True or false: a pebble jumps to a charged comb. (a) False (b) True
27. 27.⚖️ 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
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.⚖️ 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.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) a balloon (d) a magnet
31. 31.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
32. 32.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
33. 33.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
34. 34.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it falls straight down (c) it turns into water (d) it sticks for a while
35. 35.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
36. 36.⚡ Why does the comb trick work best on a dry day? (a) wet hair is magnetic (b) damp air leaks charge (c) water adds charge (d) dry days are noisy
37. 37.🔍 Which is the odd one out? (a) a brick (b) a steel spoon (c) a heavy book (d) tiny paper bits
38. 38.True or false: tiny paper bits does not move to a charged comb. (a) True (b) False
39. 39.⚖️ 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 measure it (c) we keep it the same
40. 40.⚡ Which of these jumps to a charged comb? (a) a brick (b) a pebble (c) puffed rice (d) a heavy book

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