Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 801 · 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.🧺 Which of these is not needed for the static comb? (a) a mirror (b) dry hair (c) a plastic comb (d) a balloon
2. 2.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) a battery cell (d) dry hair
3. 3.True or false: a plastic comb is needed for the static comb. (a) False (b) True
4. 4.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) the bits jump to it (c) they turn blue (d) nothing happens
5. 5.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) dry hair (c) a balloon (d) vinegar
6. 6.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) paper bits on a comb (c) a rubbed balloon (d) plug points at home
7. 7.True or false: a mirror is not needed for the static comb. (a) False (b) True
8. 8.🔮 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 bursts at once (d) it falls straight down
9. 9.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) puffed rice (c) thermocol bits (d) a pebble
10. 10.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) dew (c) lightning (d) the wind
11. 11.🧺 Which of these is needed for the static comb? (a) a plastic comb (b) yeast (c) turmeric powder (d) a battery cell
12. 12.⚖️ 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 paper bit size (c) number of rubs (d) the same comb
13. 13.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) turmeric powder (c) a balloon (d) tiny paper bits
14. 14.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
15. 15.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is kept the same. (a) False (b) True
16. 16.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is kept the same. (a) False (b) True
17. 17.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
18. 18.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
19. 19.⚖️ 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 same hair
20. 20.True or false: a plastic comb is not needed for the static comb. (a) False (b) True
21. 21.⚖️ 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) the same comb (c) paper bits picked up
22. 22.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
23. 23.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
24. 24.⚡ Why does the comb trick work best on a dry day? (a) damp air leaks charge (b) dry days are noisy (c) water adds charge (d) wet hair is magnetic
25. 25.⚖️ 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) distance to the paper (c) the same hair (d) paper bits picked up
26. 26.⚖️ 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
27. 27.True or false: a magnet is needed for the static comb. (a) True (b) False
28. 28.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) yeast (b) a balloon (c) tiny paper bits (d) dry hair
29. 29.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
30. 30.🔍 Which is the odd one out? (a) dry hair (b) a pebble (c) a steel spoon (d) a brick
31. 31.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we keep it the same (b) we change it (c) we measure it
32. 32.⚡ Why does the rubbed comb pull the paper bits? (a) it is hot (b) it is a magnet (c) it has static charge (d) it is sticky
33. 33.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is the one thing we change. (a) True (b) False
34. 34.⚖️ 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
35. 35.🔍 Which is the odd one out? (a) thermocol bits (b) dry hair (c) a thin water stream (d) a brick
36. 36.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
37. 37.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is what we measure. (a) True (b) False
38. 38.⚡ Which of these does not move to a charged comb? (a) a steel spoon (b) dry hair (c) puffed rice (d) tiny paper bits
39. 39.🧺 Which of these is needed for the static comb? (a) dry hair (b) turmeric powder (c) a magnet (d) a mirror
40. 40.True or false: a battery cell is not needed for the static comb. (a) False (b) True

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