Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 977 · 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.True or false: a mirror is not needed for the static comb. (a) True (b) False
2. 2.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) in an open field (c) indoors (d) under a tall tree
3. 3.True or false: a balloon is needed for the static comb. (a) True (b) False
4. 4.⚖️ 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) True (b) False
5. 5.🔍 Which is the odd one out? (a) a heavy book (b) puffed rice (c) thermocol bits (d) a thin water stream
6. 6.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
7. 7.True or false: dry hair does not move to a charged comb. (a) True (b) False
8. 8.⚖️ 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) distance to the paper (d) the same hair
9. 9.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it bursts at once (c) it turns into water (d) it sticks for a while
10. 10.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) vinegar (b) dry hair (c) a plastic comb (d) tiny paper bits
11. 11.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
12. 12.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
13. 13.True or false: yeast is needed for the static comb. (a) True (b) False
14. 14.🔮 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
15. 15.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) a rubbed plastic comb (c) paper bits on a comb (d) plug points at home
16. 16.🔍 Which is the odd one out? (a) puffed rice (b) a steel spoon (c) a heavy book (d) a pebble
17. 17.🔍 Which is the odd one out? (a) a brick (b) puffed rice (c) tiny paper bits (d) dry hair
18. 18.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we change it (b) we measure it (c) we keep it the same
19. 19.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is the one thing we change. (a) False (b) True
20. 20.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) nothing at all (b) the water stops (c) the water freezes (d) the stream bends
21. 21.🔍 Which is the odd one out? (a) thermocol bits (b) tiny paper bits (c) a pebble (d) puffed rice
22. 22.⚖️ 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) paper bits picked up (c) distance to the paper
23. 23.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a battery cell (c) dry hair (d) tiny paper bits
24. 24.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) nothing happens (b) they turn wet (c) they turn blue (d) the bits jump to it
25. 25.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
26. 26.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
27. 27.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
28. 28.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
29. 29.True or false: yeast is not needed for the static comb. (a) True (b) False
30. 30.🧺 Which of these is needed for the static comb? (a) yeast (b) a plastic comb (c) turmeric powder (d) a battery cell
31. 31.⚖️ 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
32. 32.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) dew (c) the wind (d) lightning
33. 33.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
34. 34.True or false: a balloon is not needed for the static comb. (a) True (b) False
35. 35.🧺 Which of these is needed for the static comb? (a) a mirror (b) dry hair (c) a magnet (d) turmeric powder
36. 36.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is kept the same. (a) False (b) True
37. 37.True or false: puffed rice does not move to a charged comb. (a) True (b) False
38. 38.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
39. 39.True or false: turmeric powder is not needed for the static comb. (a) False (b) True
40. 40.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is the one thing we change. (a) False (b) True

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