Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 167 · 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.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) under a tall tree (c) on a rooftop (d) in an open field
2. 2.True or false: a mirror is not needed for the static comb. (a) True (b) False
3. 3.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a plastic comb (c) vinegar (d) tiny paper bits
4. 4.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) turmeric powder (b) dry hair (c) a balloon (d) a plastic comb
5. 5.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) nothing at all (b) the stream bends (c) the water stops (d) the water freezes
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 same comb (c) the same hair (d) number of rubs
7. 7.⚡ Why does the rubbed comb pull the paper bits? (a) it is hot (b) it is sticky (c) it is a magnet (d) it has static charge
8. 8.🔍 Which is the odd one out? (a) a steel spoon (b) a heavy book (c) a pebble (d) dry hair
9. 9.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) plug points at home (c) paper bits on a comb (d) a rubbed plastic comb
10. 10.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is what we measure. (a) True (b) False
11. 11.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) static electricity (c) sunlight (d) magnetism
12. 12.🧺 Which of these is needed for the static comb? (a) a battery cell (b) vinegar (c) a mirror (d) a balloon
13. 13.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) dry hair (c) a plastic comb (d) a mirror
14. 14.⚡ Which big natural spark is caused by static electricity? (a) dew (b) lightning (c) the wind (d) a rainbow
15. 15.⚖️ 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) the paper bit size (c) paper bits picked up (d) number of rubs
16. 16.⚖️ 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
17. 17.⚖️ 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) True (b) False
18. 18.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
19. 19.🧺 Which of these is needed for the static comb? (a) vinegar (b) yeast (c) tiny paper bits (d) a magnet
20. 20.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
21. 21.⚖️ 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) number of rubs (c) the same comb
22. 22.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
23. 23.🧺 Which of these is needed for the static comb? (a) a mirror (b) yeast (c) vinegar (d) a plastic comb
24. 24.True or false: a pebble does not move to a charged comb. (a) True (b) False
25. 25.True or false: a steel spoon does not move to a charged comb. (a) False (b) True
26. 26.True or false: thermocol bits does not move to a charged comb. (a) True (b) False
27. 27.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
28. 28.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a heavy book (c) a brick (d) a thin water stream
29. 29.⚡ Which of these does not move to a charged comb? (a) dry hair (b) tiny paper bits (c) puffed rice (d) a pebble
30. 30.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we measure it (b) we change it (c) we keep it the same
31. 31.⚡ Which of these jumps to a charged comb? (a) tiny paper bits (b) a heavy book (c) a brick (d) a pebble
32. 32.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
33. 33.True or false: a balloon is needed for the static comb. (a) True (b) False
34. 34.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
35. 35.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is kept the same. (a) True (b) False
36. 36.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) dry hair (d) a battery cell
37. 37.⚡ 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
38. 38.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) dry hair (c) a plastic comb (d) a magnet
39. 39.🔮 Predict: you wet the comb before trying again. What happens? (a) it hardly works (b) it lights up (c) it becomes a magnet (d) it works better
40. 40.🔍 Which is the odd one out? (a) a heavy book (b) tiny paper bits (c) a brick (d) a steel spoon

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