Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 123 · 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: the paper bit size is the one thing we change. (a) False (b) True
2. 2.🔍 Which is the odd one out? (a) a pebble (b) dry hair (c) a steel spoon (d) a brick
3. 3.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is what we measure. (a) False (b) True
4. 4.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) dry hair (c) a battery cell (d) a balloon
5. 5.True or false: dry hair is needed for the static comb. (a) True (b) False
6. 6.🧺 Which of these is not needed for the static comb? (a) a battery cell (b) tiny paper bits (c) a plastic comb (d) dry hair
7. 7.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the same comb (b) paper bits picked up (c) distance to the paper (d) the paper bit size
8. 8.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
9. 9.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) plug points at home (c) a rubbed balloon (d) paper bits on a comb
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 keep it the same (b) we change it (c) we measure it
11. 11.True or false: puffed rice jumps to a charged comb. (a) False (b) True
12. 12.⚖️ 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) distance to the paper (c) paper bits picked up
13. 13.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) turmeric powder (b) dry hair (c) a balloon (d) tiny paper bits
14. 14.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
15. 15.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
16. 16.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) the paper bit size (b) number of rubs (c) distance to the paper (d) paper bits picked up
17. 17.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) dry hair (c) a plastic comb (d) a magnet
18. 18.⚡ Which of these jumps to a charged comb? (a) tiny paper bits (b) a brick (c) a steel spoon (d) a heavy book
19. 19.⚖️ 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
20. 20.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the same hair (b) paper bits picked up (c) number of rubs
21. 21.True or false: a mirror is needed for the static comb. (a) True (b) False
22. 22.True or false: a thin water stream jumps to a charged comb. (a) False (b) True
23. 23.🔍 Which is the odd one out? (a) a steel spoon (b) a thin water stream (c) a heavy book (d) a brick
24. 24.True or false: a balloon is not needed for the static comb. (a) False (b) True
25. 25.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) dry hair (c) tiny paper bits (d) a steel spoon
26. 26.True or false: dry hair does not move to a charged comb. (a) True (b) False
27. 27.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it works better (c) it hardly works (d) it lights up
28. 28.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
29. 29.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it turns into water (b) it sticks for a while (c) it bursts at once (d) it falls straight down
30. 30.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) yeast (b) a balloon (c) a plastic comb (d) dry hair
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 measure it (c) we change it
32. 32.⚖️ 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) paper bits picked up (c) the same comb
33. 33.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a steel spoon (c) a brick (d) puffed rice
34. 34.True or false: a magnet is not needed for the static comb. (a) False (b) True
35. 35.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
36. 36.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
37. 37.🛟 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
38. 38.⚡ Which big natural spark is caused by static electricity? (a) dew (b) a rainbow (c) the wind (d) lightning
39. 39.🔍 Which is the odd one out? (a) a brick (b) puffed rice (c) tiny paper bits (d) thermocol bits
40. 40.True or false: a battery cell is needed for the static comb. (a) False (b) True

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