Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 973 · 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: vinegar is not needed for the static comb. (a) True (b) False
2. 2.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
3. 3.🔍 Which is the odd one out? (a) a pebble (b) a brick (c) tiny paper bits (d) a steel spoon
4. 4.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) thermocol bits (c) puffed rice (d) a steel spoon
5. 5.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we measure it (b) we keep it the same (c) we change it
6. 6.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) in an open field (c) on a rooftop (d) under a tall tree
7. 7.True or false: a battery cell is needed for the static comb. (a) True (b) False
8. 8.🔍 Which is the odd one out? (a) a pebble (b) a heavy book (c) a brick (d) a thin water stream
9. 9.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) a mirror (d) dry hair
10. 10.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) paper bits on a comb (c) a rubbed plastic comb (d) plug points at home
11. 11.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it works better (c) it becomes a magnet (d) it hardly works
12. 12.⚡ 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
13. 13.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
14. 14.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it turns into water (c) it sticks for a while (d) it bursts at once
15. 15.True or false: vinegar is needed for the static comb. (a) False (b) True
16. 16.⚖️ 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) the same comb (c) number of rubs (d) distance to the paper
17. 17.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the same hair (b) the paper bit size (c) paper bits picked up (d) the same comb
18. 18.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
19. 19.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) turmeric powder (d) dry hair
20. 20.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
21. 21.True or false: a magnet is not needed for the static comb. (a) False (b) True
22. 22.⚖️ 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
23. 23.🧺 Which of these is needed for the static comb? (a) a plastic comb (b) a mirror (c) yeast (d) vinegar
24. 24.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) vinegar (c) a balloon (d) tiny paper bits
25. 25.🔮 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 water stops (d) the stream bends
26. 26.⚖️ 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) the same hair
27. 27.⚖️ 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
28. 28.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a thin water stream (c) a heavy book (d) a pebble
29. 29.🔍 Which is the odd one out? (a) tiny paper bits (b) thermocol bits (c) dry hair (d) a brick
30. 30.True or false: a steel spoon jumps to a charged comb. (a) True (b) False
31. 31.🧺 Which of these is needed for the static comb? (a) a mirror (b) tiny paper bits (c) vinegar (d) a battery cell
32. 32.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a balloon (c) a magnet (d) dry hair
33. 33.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
34. 34.True or false: a thin water stream jumps to a charged comb. (a) True (b) False
35. 35.⚖️ 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 paper bit size
36. 36.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is the one thing we change. (a) True (b) False
37. 37.⚖️ 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) True (b) False
38. 38.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
39. 39.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
40. 40.🧺 Which of these is needed for the static comb? (a) yeast (b) a battery cell (c) dry hair (d) turmeric powder

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