Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 905 · 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: paper bits picked up is the one thing we change. (a) False (b) True
2. 2.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is what we measure. (a) False (b) True
3. 3.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a magnet (b) a plastic comb (c) a balloon (d) dry hair
4. 4.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
5. 5.True or false: a mirror is needed for the static comb. (a) False (b) True
6. 6.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) a battery cell (d) tiny paper bits
7. 7.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) paper bits on a comb (c) a rubbed plastic comb (d) plug points at home
8. 8.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
9. 9.True or false: a magnet is needed for the static comb. (a) False (b) True
10. 10.🧺 Which of these is needed for the static comb? (a) a battery cell (b) a mirror (c) a plastic comb (d) turmeric powder
11. 11.⚖️ 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
12. 12.⚡ Why does the comb trick work best on a dry day? (a) water adds charge (b) wet hair is magnetic (c) damp air leaks charge (d) dry days are noisy
13. 13.True or false: a plastic comb is needed for the static comb. (a) False (b) True
14. 14.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
15. 15.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
16. 16.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
17. 17.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
18. 18.⚖️ 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
19. 19.True or false: a battery cell is needed for the static comb. (a) True (b) False
20. 20.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
21. 21.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
22. 22.🧺 Which of these is not needed for the static comb? (a) vinegar (b) a balloon (c) a plastic comb (d) tiny paper bits
23. 23.🔮 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 sticks for a while (d) it turns into water
24. 24.⚖️ 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) True (b) False
25. 25.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) turmeric powder (c) tiny paper bits (d) a balloon
26. 26.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a steel spoon (c) a thin water stream (d) a brick
27. 27.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) tiny paper bits (c) a heavy book (d) a thin water stream
28. 28.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we measure it (b) we keep it the same (c) we change it
29. 29.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
30. 30.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) in an open field (c) indoors (d) under a tall tree
31. 31.🧺 Which of these is needed for the static comb? (a) a mirror (b) a battery cell (c) tiny paper bits (d) vinegar
32. 32.True or false: dry hair is needed for the static comb. (a) True (b) False
33. 33.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn blue (b) nothing happens (c) the bits jump to it (d) they turn wet
34. 34.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) paper bits picked up (b) distance to the paper (c) the same comb (d) number of rubs
35. 35.True or false: a mirror is not needed for the static comb. (a) False (b) True
36. 36.🧺 Which of these is not needed for the static comb? (a) turmeric powder (b) dry hair (c) a plastic comb (d) tiny paper bits
37. 37.⚡ Which of these jumps to a charged comb? (a) tiny paper bits (b) a heavy book (c) a brick (d) a pebble
38. 38.🔍 Which is the odd one out? (a) dry hair (b) a pebble (c) tiny paper bits (d) a thin water stream
39. 39.⚖️ 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) False (b) True
40. 40.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) a mirror (d) dry hair

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