Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 449 · 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 tiny paper bits. What happens? (a) does not move (b) jumps to the comb
2. 2.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
3. 3.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is kept the same. (a) False (b) True
4. 4.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a heavy book (c) a brick (d) dry hair
5. 5.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) nothing at all (c) the stream bends (d) the water freezes
6. 6.🔍 Which is the odd one out? (a) a thin water stream (b) a steel spoon (c) thermocol bits (d) puffed rice
7. 7.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
8. 8.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it hardly works (c) it becomes a magnet (d) it works better
9. 9.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
10. 10.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) a brick (c) a thin water stream (d) dry hair
11. 11.🔮 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
12. 12.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
13. 13.True or false: a magnet is not needed for the static comb. (a) True (b) False
14. 14.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a battery cell (b) a plastic comb (c) dry hair (d) tiny paper bits
15. 15.True or false: a mirror is needed for the static comb. (a) True (b) False
16. 16.True or false: a heavy book jumps to a charged comb. (a) True (b) False
17. 17.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a plastic comb (c) a magnet (d) dry hair
18. 18.⚖️ 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
19. 19.🔍 Which is the odd one out? (a) a pebble (b) puffed rice (c) a thin water stream (d) dry hair
20. 20.⚡ Which of these does not move to a charged comb? (a) a heavy book (b) thermocol bits (c) tiny paper bits (d) puffed rice
21. 21.⚡ Which big natural spark is caused by static electricity? (a) dew (b) the wind (c) a rainbow (d) lightning
22. 22.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) tiny paper bits (c) a pebble (d) thermocol bits
23. 23.True or false: a balloon is not needed for the static comb. (a) True (b) False
24. 24.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) dry hair (c) a mirror (d) a plastic comb
25. 25.⚡ Why does the comb trick work best on a dry day? (a) damp air leaks charge (b) wet hair is magnetic (c) water adds charge (d) dry days are noisy
26. 26.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) turmeric powder (d) a balloon
27. 27.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
28. 28.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) the paper bit size (b) distance to the paper (c) number of rubs (d) the same hair
29. 29.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) on a rooftop (c) under a tall tree (d) in an open field
30. 30.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
31. 31.🧺 Which of these is not needed for the static comb? (a) dry hair (b) vinegar (c) tiny paper bits (d) a plastic comb
32. 32.True or false: puffed rice jumps to a charged comb. (a) True (b) False
33. 33.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) sunlight (c) static electricity (d) magnetism
34. 34.🛟 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
35. 35.🔍 Which is the odd one out? (a) a brick (b) tiny paper bits (c) a pebble (d) a steel spoon
36. 36.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
37. 37.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is kept the same. (a) False (b) True
38. 38.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
39. 39.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
40. 40.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we measure it (b) we keep it the same (c) we change it

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