Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 325 · 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.🔍 Which is the odd one out? (a) a thin water stream (b) thermocol bits (c) a steel spoon (d) tiny paper bits
2. 2.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
3. 3.True or false: tiny paper bits is needed for the static comb. (a) False (b) True
4. 4.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we keep it the same (b) we change it (c) we measure it
5. 5.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) a rubbed balloon (c) plug points at home (d) a rubbed plastic comb
6. 6.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
7. 7.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it turns into water (c) it falls straight down (d) it sticks for a while
8. 8.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) indoors (c) in an open field (d) on a rooftop
9. 9.🔍 Which is the odd one out? (a) dry hair (b) a thin water stream (c) thermocol bits (d) a pebble
10. 10.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) sunlight (c) static electricity (d) magnetism
11. 11.🧺 Which of these is needed for the static comb? (a) a magnet (b) a mirror (c) a battery cell (d) a balloon
12. 12.⚖️ 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) the paper bit size (c) the same comb (d) the same hair
13. 13.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
14. 14.⚖️ 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 paper bit size (c) number of rubs (d) paper bits picked up
15. 15.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) a heavy book (c) dry hair (d) a thin water stream
16. 16.⚖️ 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
17. 17.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
18. 18.True or false: a magnet is needed for the static comb. (a) False (b) True
19. 19.True or false: a pebble jumps to a charged comb. (a) True (b) False
20. 20.🔮 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
21. 21.⚡ Which big natural spark is caused by static electricity? (a) dew (b) the wind (c) lightning (d) a rainbow
22. 22.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a balloon (c) tiny paper bits (d) a battery cell
23. 23.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a brick (c) puffed rice (d) a heavy book
24. 24.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a plastic comb (c) a mirror (d) a balloon
25. 25.⚖️ 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 change it (c) we keep it the same
26. 26.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is kept the same. (a) True (b) False
27. 27.🧺 Which of these is needed for the static comb? (a) a magnet (b) a battery cell (c) a plastic comb (d) a mirror
28. 28.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) a pebble (c) dry hair (d) a thin water stream
29. 29.True or false: a magnet is not needed for the static comb. (a) False (b) True
30. 30.⚡ Why does the comb trick work best on a dry day? (a) dry days are noisy (b) water adds charge (c) wet hair is magnetic (d) damp air leaks charge
31. 31.🔍 Which is the odd one out? (a) a heavy book (b) a brick (c) thermocol bits (d) a steel spoon
32. 32.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
33. 33.🔍 Which is the odd one out? (a) a brick (b) dry hair (c) a pebble (d) a heavy book
34. 34.⚡ Which of these jumps to a charged comb? (a) a brick (b) a steel spoon (c) tiny paper bits (d) a pebble
35. 35.⚖️ 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
36. 36.True or false: turmeric powder is needed for the static comb. (a) False (b) True
37. 37.True or false: a plastic comb is needed for the static comb. (a) False (b) True
38. 38.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) vinegar (c) dry hair (d) a balloon
39. 39.True or false: a battery cell is not needed for the static comb. (a) True (b) False
40. 40.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it works better (c) it hardly works (d) it becomes a magnet

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