Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 344 · 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) under a tall tree (b) in an open field (c) on a rooftop (d) indoors
2. 2.🔍 Which is the odd one out? (a) dry hair (b) tiny paper bits (c) a thin water stream (d) a steel spoon
3. 3.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
4. 4.🔮 Predict: you wet the comb before trying again. What happens? (a) it hardly works (b) it works better (c) it becomes a magnet (d) it lights up
5. 5.🧺 Which of these is needed for the static comb? (a) dry hair (b) a battery cell (c) a magnet (d) a mirror
6. 6.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the same hair (b) paper bits picked up (c) number of rubs
7. 7.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
8. 8.⚡ 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
9. 9.🔍 Which is the odd one out? (a) puffed rice (b) dry hair (c) tiny paper bits (d) a brick
10. 10.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is what we measure. (a) True (b) False
11. 11.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a balloon (c) dry hair (d) a magnet
12. 12.True or false: a thin water stream does not move to a charged comb. (a) True (b) False
13. 13.True or false: a brick jumps to a charged comb. (a) False (b) True
14. 14.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) a battery cell (d) dry hair
15. 15.True or false: vinegar is needed for the static comb. (a) True (b) False
16. 16.⚖️ 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
17. 17.True or false: a heavy book jumps to a charged comb. (a) False (b) True
18. 18.True or false: thermocol bits does not move to a charged comb. (a) True (b) False
19. 19.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) plug points at home (c) a rubbed balloon (d) paper bits on a comb
20. 20.⚖️ 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
21. 21.⚖️ 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) number of rubs (c) the same comb (d) distance to the paper
22. 22.True or false: vinegar is not needed for the static comb. (a) False (b) True
23. 23.⚡ Which big natural spark is caused by static electricity? (a) the wind (b) a rainbow (c) dew (d) lightning
24. 24.🧺 Which of these is needed for the static comb? (a) tiny paper bits (b) a battery cell (c) vinegar (d) turmeric powder
25. 25.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a balloon (c) tiny paper bits (d) vinegar
26. 26.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
27. 27.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
28. 28.⚡ Why does the comb trick work best on a dry day? (a) water adds charge (b) wet hair is magnetic (c) dry days are noisy (d) damp air leaks charge
29. 29.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
30. 30.🧺 Which of these is needed for the static comb? (a) a balloon (b) yeast (c) a mirror (d) turmeric powder
31. 31.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we change it (b) we keep it the same (c) we measure it
32. 32.🔍 Which is the odd one out? (a) a steel spoon (b) a thin water stream (c) a pebble (d) a heavy book
33. 33.⚡ Which of these does not move to a charged comb? (a) a heavy book (b) a thin water stream (c) thermocol bits (d) puffed rice
34. 34.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
35. 35.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) yeast (b) a balloon (c) a plastic comb (d) dry hair
36. 36.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water freezes (b) nothing at all (c) the stream bends (d) the water stops
37. 37.⚖️ 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
38. 38.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
39. 39.True or false: a mirror is not needed for the static comb. (a) False (b) True
40. 40.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it sticks for a while (b) it bursts at once (c) it turns into water (d) it falls straight down

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