Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 909 · 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.⚖️ 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) True (b) False
2. 2.True or false: dry hair does not move to a charged comb. (a) True (b) False
3. 3.True or false: turmeric powder is needed for the static comb. (a) True (b) False
4. 4.🔍 Which is the odd one out? (a) a brick (b) a steel spoon (c) a heavy book (d) puffed rice
5. 5.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it turns into water (c) it falls straight down (d) it sticks for a while
6. 6.🧺 Which of these is needed for the static comb? (a) a battery cell (b) a magnet (c) dry hair (d) turmeric powder
7. 7.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) tiny paper bits (c) dry hair (d) a magnet
8. 8.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is the one thing we change. (a) False (b) True
9. 9.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) a battery cell (d) a balloon
10. 10.⚖️ 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 keep it the same (c) we measure it
11. 11.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
12. 12.True or false: a brick jumps to a charged comb. (a) False (b) True
13. 13.🧺 Do we need vinegar for the static comb? (a) not needed (b) needed
14. 14.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) tiny paper bits (c) a heavy book (d) puffed rice
15. 15.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
16. 16.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) paper bits picked up (b) number of rubs (c) the same hair (d) the paper bit size
17. 17.🛟 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
18. 18.True or false: puffed rice jumps to a charged comb. (a) False (b) True
19. 19.⚡ Why does the rubbed comb pull the paper bits? (a) it has static charge (b) it is sticky (c) it is a magnet (d) it is hot
20. 20.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) on a rooftop (c) under a tall tree (d) indoors
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) distance to the paper (b) the paper bit size (c) number of rubs (d) the same comb
22. 22.🔍 Which is the odd one out? (a) tiny paper bits (b) thermocol bits (c) a thin water stream (d) a steel spoon
23. 23.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
24. 24.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it hardly works (c) it works better (d) it becomes a magnet
25. 25.True or false: yeast is not needed for the static comb. (a) False (b) True
26. 26.⚡ Which of these jumps to a charged comb? (a) a pebble (b) tiny paper bits (c) a brick (d) a heavy book
27. 27.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) turmeric powder (b) a plastic comb (c) dry hair (d) a balloon
28. 28.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we change it (b) we keep it the same (c) we measure it
29. 29.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) vinegar (c) dry hair (d) tiny paper bits
30. 30.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
31. 31.🔍 Which is the odd one out? (a) a heavy book (b) a pebble (c) thermocol bits (d) a brick
32. 32.🔍 Which is the odd one out? (a) a thin water stream (b) a brick (c) a pebble (d) a heavy book
33. 33.🧺 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) a mirror
34. 34.True or false: vinegar is needed for the static comb. (a) False (b) True
35. 35.True or false: a plastic comb is not needed for the static comb. (a) True (b) False
36. 36.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) dry hair (c) yeast (d) a plastic comb
37. 37.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water freezes (b) the water stops (c) nothing at all (d) the stream bends
38. 38.⚡ 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
39. 39.True or false: a mirror is not needed for the static comb. (a) True (b) False
40. 40.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the paper bit size (b) number of rubs (c) paper bits picked up

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