Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 952 · 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.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a mirror (c) dry hair (d) a balloon
2. 2.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we keep it the same (b) we change it (c) we measure it
3. 3.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
4. 4.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is what we measure. (a) False (b) True
5. 5.🧺 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 battery cell
6. 6.True or false: a heavy book jumps to a charged comb. (a) True (b) False
7. 7.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the same comb (b) paper bits picked up (c) number of rubs
8. 8.🔍 Which is the odd one out? (a) a thin water stream (b) a brick (c) a steel spoon (d) a heavy book
9. 9.⚡ Which big natural spark is caused by static electricity? (a) dew (b) the wind (c) lightning (d) a rainbow
10. 10.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
11. 11.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
12. 12.🧺 Which of these is needed for the static comb? (a) vinegar (b) turmeric powder (c) a mirror (d) dry hair
13. 13.True or false: vinegar is not needed for the static comb. (a) False (b) True
14. 14.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn blue (b) they turn wet (c) nothing happens (d) the bits jump to it
15. 15.⚡ Which of these jumps to a charged comb? (a) a pebble (b) tiny paper bits (c) a heavy book (d) a steel spoon
16. 16.True or false: dry hair does not move to a charged comb. (a) False (b) True
17. 17.True or false: a thin water stream does not move to a charged comb. (a) True (b) False
18. 18.🛟 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
19. 19.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
20. 20.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
21. 21.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) number of rubs (b) paper bits picked up (c) the same comb (d) the same hair
22. 22.🔍 Which is the odd one out? (a) a heavy book (b) a pebble (c) a brick (d) dry hair
23. 23.True or false: tiny paper bits jumps to a charged comb. (a) True (b) False
24. 24.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
25. 25.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) tiny paper bits (c) a magnet (d) dry hair
26. 26.🛟 Static from a comb is safe. Which electricity must children never play with? (a) plug points at home (b) a rubbed plastic comb (c) a rubbed balloon (d) paper bits on a comb
27. 27.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) the stream bends (c) nothing at all (d) the water freezes
28. 28.True or false: yeast is not needed for the static comb. (a) True (b) False
29. 29.⚖️ 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
30. 30.⚖️ 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 measure it (c) we keep it the same
31. 31.⚡ Why does the comb trick work best on a dry day? (a) damp air leaks charge (b) wet hair is magnetic (c) dry days are noisy (d) water adds charge
32. 32.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) tiny paper bits (c) a brick (d) thermocol bits
33. 33.True or false: puffed rice does not move to a charged comb. (a) False (b) True
34. 34.🧺 Which of these is not needed for the static comb? (a) a balloon (b) tiny paper bits (c) dry hair (d) a mirror
35. 35.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
36. 36.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we keep it the same (b) we measure it (c) we change it
37. 37.True or false: tiny paper bits does not move to a charged comb. (a) False (b) True
38. 38.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it turns into water (b) it sticks for a while (c) it falls straight down (d) it bursts at once
39. 39.🔍 Which is the odd one out? (a) a pebble (b) a steel spoon (c) a heavy book (d) tiny paper bits
40. 40.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a magnet (b) a balloon (c) a plastic comb (d) dry hair

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