Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 131 · 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? Which of these is the one thing we change? (a) the paper bit size (b) number of rubs (c) the same hair (d) the same comb
2. 2.🔍 Which is the odd one out? (a) thermocol bits (b) a thin water stream (c) puffed rice (d) a heavy book
3. 3.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it sticks for a while (c) it turns into water (d) it bursts at once
4. 4.True or false: a mirror is not needed for the static comb. (a) False (b) True
5. 5.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a mirror (c) dry hair (d) a plastic comb
6. 6.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
7. 7.⚡ Which of these jumps to a charged comb? (a) tiny paper bits (b) a pebble (c) a brick (d) a steel spoon
8. 8.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is what we measure. (a) True (b) False
9. 9.⚡ Why does the comb trick work best on a dry day? (a) water adds charge (b) dry days are noisy (c) wet hair is magnetic (d) damp air leaks charge
10. 10.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) on a rooftop (c) in an open field (d) indoors
11. 11.⚖️ 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) distance to the paper
12. 12.⚡ Which of these jumps to a charged comb? (a) a thin water stream (b) a steel spoon (c) a pebble (d) a heavy book
13. 13.⚖️ 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
14. 14.🧺 Which of these is not needed for the static comb? (a) yeast (b) a balloon (c) a plastic comb (d) tiny paper bits
15. 15.⚖️ 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
16. 16.True or false: tiny paper bits does not move to a charged comb. (a) False (b) True
17. 17.⚡ Which of these jumps to a charged comb? (a) a brick (b) a pebble (c) puffed rice (d) a steel spoon
18. 18.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we change it (b) we measure it (c) we keep it the same
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 paper bit size
20. 20.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) vinegar (c) dry hair (d) a balloon
21. 21.🔍 Which is the odd one out? (a) thermocol bits (b) a brick (c) a pebble (d) a heavy book
22. 22.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) a pebble (c) dry hair (d) puffed rice
23. 23.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a battery cell (b) dry hair (c) tiny paper bits (d) a plastic comb
24. 24.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the same hair (b) number of rubs (c) the same comb (d) paper bits picked up
25. 25.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
26. 26.🔍 Which is the odd one out? (a) thermocol bits (b) a pebble (c) dry hair (d) puffed rice
27. 27.True or false: dry hair does not move to a charged comb. (a) True (b) False
28. 28.⚡ Why does the rubbed comb pull the paper bits? (a) it has static charge (b) it is a magnet (c) it is hot (d) it is sticky
29. 29.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
30. 30.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) dry hair (c) turmeric powder (d) a plastic comb
31. 31.🧺 Which of these is needed for the static comb? (a) a battery cell (b) a balloon (c) a mirror (d) a magnet
32. 32.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a balloon (c) tiny paper bits (d) a magnet
33. 33.True or false: a pebble jumps to a charged comb. (a) True (b) False
34. 34.⚡ Which of these jumps to a charged comb? (a) a brick (b) thermocol bits (c) a steel spoon (d) a heavy book
35. 35.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) a rubbed plastic comb (c) plug points at home (d) paper bits on a comb
36. 36.True or false: tiny paper bits is needed for the static comb. (a) False (b) True
37. 37.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) they turn blue (c) the bits jump to it (d) nothing happens
38. 38.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) yeast (b) a balloon (c) dry hair (d) tiny paper bits
39. 39.⚡ Which of these does not move to a charged comb? (a) dry hair (b) puffed rice (c) tiny paper bits (d) a heavy book
40. 40.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed

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