Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 900 · 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.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
2. 2.True or false: a plastic comb is needed for the static comb. (a) False (b) True
3. 3.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a heavy book (c) a brick (d) puffed rice
4. 4.True or false: puffed rice does not move to a charged comb. (a) True (b) False
5. 5.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
6. 6.⚖️ 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
7. 7.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
8. 8.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) distance to the paper (b) number of rubs (c) paper bits picked up
9. 9.⚡ 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
10. 10.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a balloon (c) tiny paper bits (d) a battery cell
11. 11.True or false: tiny paper bits does not move to a charged comb. (a) False (b) True
12. 12.⚡ Why does the rubbed comb pull the paper bits? (a) it has static charge (b) it is a magnet (c) it is sticky (d) it is hot
13. 13.True or false: a steel spoon does not move to a charged comb. (a) True (b) False
14. 14.🔍 Which is the odd one out? (a) a pebble (b) a steel spoon (c) a heavy book (d) thermocol bits
15. 15.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) yeast (c) a plastic comb (d) dry hair
16. 16.⚖️ 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
17. 17.True or false: a pebble does not move to a charged comb. (a) True (b) False
18. 18.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it sticks for a while (b) it turns into water (c) it falls straight down (d) it bursts at once
19. 19.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it becomes a magnet (c) it lights up (d) it hardly works
20. 20.True or false: vinegar is not needed for the static comb. (a) True (b) False
21. 21.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we keep it the same (b) we change it (c) we measure it
22. 22.⚖️ 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 measure it (c) we change it
23. 23.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) plug points at home (c) paper bits on a comb (d) a rubbed balloon
24. 24.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we measure it (b) we change it (c) we keep it the same
25. 25.True or false: a steel spoon jumps to a charged comb. (a) True (b) False
26. 26.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
27. 27.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a balloon (c) turmeric powder (d) a plastic comb
28. 28.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
29. 29.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) indoors (c) under a tall tree (d) in an open field
30. 30.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) tiny paper bits (c) dry hair (d) a steel spoon
31. 31.⚖️ 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
32. 32.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
33. 33.⚖️ 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) the same comb (c) number of rubs
34. 34.🔍 Which is the odd one out? (a) thermocol bits (b) a brick (c) tiny paper bits (d) a thin water stream
35. 35.True or false: a battery cell is not needed for the static comb. (a) False (b) True
36. 36.🧺 Which of these is needed for the static comb? (a) tiny paper bits (b) a magnet (c) turmeric powder (d) a mirror
37. 37.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) turmeric powder (c) tiny paper bits (d) a plastic comb
38. 38.🔍 Which is the odd one out? (a) tiny paper bits (b) a thin water stream (c) thermocol bits (d) a heavy book
39. 39.True or false: a brick jumps to a charged 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 kept the same. (a) True (b) False

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