Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 309 · 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.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it hardly works (c) it lights up (d) it works better
2. 2.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) dry hair (c) a plastic comb (d) turmeric powder
3. 3.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) dry hair (c) a magnet (d) a plastic comb
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.⚖️ 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 measure it (c) we keep it the same
6. 6.True or false: yeast is not needed for the static comb. (a) False (b) True
7. 7.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) a balloon (c) dry hair (d) a magnet
8. 8.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is kept the same. (a) True (b) False
9. 9.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is the one thing we change. (a) True (b) False
10. 10.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) a rubbed plastic comb (c) a rubbed balloon (d) plug points at home
11. 11.⚖️ 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
12. 12.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
13. 13.⚡ Which of these jumps to a charged comb? (a) tiny paper bits (b) a heavy book (c) a brick (d) a pebble
14. 14.⚖️ 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
15. 15.🔮 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
16. 16.🔍 Which is the odd one out? (a) puffed rice (b) a brick (c) tiny paper bits (d) a thin water stream
17. 17.🔍 Which is the odd one out? (a) a pebble (b) thermocol bits (c) a heavy book (d) a steel spoon
18. 18.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
19. 19.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn blue (b) the bits jump to it (c) nothing happens (d) they turn wet
20. 20.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we measure it (b) we change it (c) we keep it the same
21. 21.🧺 Which of these is needed for the static comb? (a) a battery cell (b) turmeric powder (c) a magnet (d) dry hair
22. 22.True or false: puffed rice does not move to a charged comb. (a) True (b) False
23. 23.🧺 Which of these is needed for the static comb? (a) a magnet (b) tiny paper bits (c) vinegar (d) a mirror
24. 24.🔍 Which is the odd one out? (a) puffed rice (b) dry hair (c) a heavy book (d) thermocol bits
25. 25.🔍 Which is the odd one out? (a) tiny paper bits (b) a brick (c) a pebble (d) a steel spoon
26. 26.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
27. 27.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
28. 28.🔍 Which is the odd one out? (a) puffed rice (b) a thin water stream (c) a steel spoon (d) thermocol bits
29. 29.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) under a tall tree (c) on a rooftop (d) indoors
30. 30.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a battery cell (c) a balloon (d) tiny paper bits
31. 31.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
32. 32.True or false: turmeric powder is not needed for the static comb. (a) True (b) False
33. 33.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) dry hair (c) a plastic comb (d) vinegar
34. 34.True or false: thermocol bits jumps to a charged comb. (a) True (b) False
35. 35.True or false: a heavy book jumps to a charged comb. (a) False (b) True
36. 36.⚡ Why does the rubbed comb pull the paper bits? (a) it is sticky (b) it is hot (c) it has static charge (d) it is a magnet
37. 37.True or false: thermocol bits does not move to a charged comb. (a) True (b) False
38. 38.True or false: a mirror is needed for the static comb. (a) False (b) True
39. 39.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a plastic comb (c) yeast (d) a balloon
40. 40.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a heavy book (c) thermocol bits (d) a brick

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