Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 928 · 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? What do we do with “distance to the paper”? (a) we change it (b) we keep it the same (c) we measure it
2. 2.🛟 Static from a comb is safe. Which electricity must children never play with? (a) plug points at home (b) a rubbed plastic comb (c) a rubbed balloon (d) paper bits on a comb
3. 3.True or false: a brick does not move to a charged comb. (a) True (b) False
4. 4.🧺 Which of these is needed for the static comb? (a) a balloon (b) a mirror (c) a battery cell (d) vinegar
5. 5.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
6. 6.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
7. 7.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
8. 8.🧺 Which of these is needed for the static comb? (a) yeast (b) tiny paper bits (c) a battery cell (d) a magnet
9. 9.🔍 Which is the odd one out? (a) thermocol bits (b) a steel spoon (c) a pebble (d) a heavy book
10. 10.⚖️ 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
11. 11.True or false: a battery cell is not needed for the static comb. (a) True (b) False
12. 12.⚡ Which of these does not move to a charged comb? (a) a heavy book (b) tiny paper bits (c) dry hair (d) puffed rice
13. 13.🧺 Which of these is not needed for the static comb? (a) a balloon (b) vinegar (c) dry hair (d) tiny paper bits
14. 14.True or false: a heavy book jumps to a charged comb. (a) True (b) False
15. 15.True or false: a steel spoon does not move to a charged comb. (a) False (b) True
16. 16.🔮 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
17. 17.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
18. 18.🧺 Which of these is needed for the static comb? (a) a mirror (b) dry hair (c) yeast (d) a battery cell
19. 19.⚖️ 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
20. 20.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
21. 21.True or false: a thin water stream jumps to a charged comb. (a) True (b) False
22. 22.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) the wind (c) dew (d) lightning
23. 23.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is what we measure. (a) True (b) False
24. 24.⚡ Why does the comb trick work best on a dry day? (a) wet hair is magnetic (b) damp air leaks charge (c) dry days are noisy (d) water adds charge
25. 25.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) nothing happens (b) they turn blue (c) they turn wet (d) the bits jump to it
26. 26.🔍 Which is the odd one out? (a) a pebble (b) tiny paper bits (c) a steel spoon (d) a brick
27. 27.⚖️ 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 change it (c) we measure it
28. 28.🧺 Which of these is needed for the static comb? (a) a battery cell (b) yeast (c) a magnet (d) a plastic comb
29. 29.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) dry hair (c) a mirror (d) tiny paper bits
30. 30.True or false: vinegar is needed for the static comb. (a) True (b) False
31. 31.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) number of rubs (b) distance to the paper (c) paper bits picked up (d) the same hair
32. 32.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) yeast (b) a balloon (c) tiny paper bits (d) a plastic comb
33. 33.True or false: a magnet is needed for the static comb. (a) True (b) False
34. 34.🔍 Which is the odd one out? (a) a heavy book (b) dry hair (c) a pebble (d) a steel spoon
35. 35.True or false: a plastic comb is needed for the static comb. (a) False (b) True
36. 36.⚡ Why does the rubbed comb pull the paper bits? (a) it is hot (b) it is sticky (c) it is a magnet (d) it has static charge
37. 37.🔍 Which is the odd one out? (a) a thin water stream (b) dry hair (c) tiny paper bits (d) a heavy book
38. 38.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) vinegar (c) tiny paper bits (d) a plastic comb
39. 39.True or false: a pebble jumps to a charged comb. (a) True (b) False
40. 40.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) on a rooftop (c) in an open field (d) under a tall tree

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