Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 906 · 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: tiny paper bits does not move to a charged comb. (a) False (b) True
2. 2.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
3. 3.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) a magnet (d) a balloon
4. 4.⚖️ 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
5. 5.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) under a tall tree (c) in an open field (d) indoors
6. 6.True or false: a brick does not move to a charged comb. (a) True (b) False
7. 7.True or false: a battery cell 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 falls straight down (c) it turns into water (d) it bursts at once
9. 9.🛟 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
10. 10.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we change it (b) we measure it (c) we keep it the same
11. 11.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a brick (c) a heavy book (d) dry hair
12. 12.🔍 Which is the odd one out? (a) a heavy book (b) thermocol bits (c) a pebble (d) a brick
13. 13.⚖️ 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) False (b) True
14. 14.⚖️ 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
15. 15.True or false: dry hair does not move to a charged comb. (a) False (b) True
16. 16.⚖️ 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
17. 17.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it hardly works (c) it becomes a magnet (d) it lights up
18. 18.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we change it (b) we measure it (c) we keep it the same
19. 19.⚡ Which of these jumps to a charged comb? (a) a brick (b) thermocol bits (c) a pebble (d) a steel spoon
20. 20.⚡ Why does the rubbed comb pull the paper bits? (a) it is a magnet (b) it is sticky (c) it is hot (d) it has static charge
21. 21.🔍 Which is the odd one out? (a) a brick (b) a steel spoon (c) tiny paper bits (d) a heavy book
22. 22.True or false: vinegar is needed for the static comb. (a) False (b) True
23. 23.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
24. 24.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
25. 25.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
26. 26.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
27. 27.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
28. 28.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) dry hair (c) a mirror (d) a plastic comb
29. 29.⚡ Why does the comb trick work best on a dry day? (a) dry days are noisy (b) damp air leaks charge (c) water adds charge (d) wet hair is magnetic
30. 30.🔍 Which is the odd one out? (a) a pebble (b) puffed rice (c) tiny paper bits (d) dry hair
31. 31.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
32. 32.🔍 Which is the odd one out? (a) a steel spoon (b) a heavy book (c) a thin water stream (d) a pebble
33. 33.🧺 Which of these is needed for the static comb? (a) yeast (b) turmeric powder (c) a battery cell (d) a plastic comb
34. 34.⚡ Which of these jumps to a charged comb? (a) a brick (b) a pebble (c) puffed rice (d) a steel spoon
35. 35.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) a steel spoon (c) dry hair (d) tiny paper bits
36. 36.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a plastic comb (c) yeast (d) tiny paper bits
37. 37.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
38. 38.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
39. 39.⚡ Which of these does not move to a charged comb? (a) a heavy book (b) thermocol bits (c) dry hair (d) tiny paper bits
40. 40.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) distance to the paper (b) the same hair (c) paper bits picked up (d) the same comb

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