Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 128 · 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 what we measure. (a) False (b) True
2. 2.True or false: thermocol bits jumps to a charged comb. (a) False (b) True
3. 3.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we change it (b) we measure it (c) we keep it the same
4. 4.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
5. 5.True or false: a mirror is needed for the static comb. (a) True (b) False
6. 6.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
7. 7.🔍 Which is the odd one out? (a) a thin water stream (b) a steel spoon (c) a pebble (d) a heavy book
8. 8.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) a rubbed plastic comb (c) paper bits on a comb (d) plug points at home
9. 9.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
10. 10.🧺 Which of these is needed for the static comb? (a) a mirror (b) a battery cell (c) turmeric powder (d) tiny paper bits
11. 11.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
12. 12.True or false: tiny paper bits is needed for the static comb. (a) True (b) False
13. 13.🧺 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
14. 14.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is the one thing we change. (a) False (b) True
15. 15.🧺 Which of these is needed for the static comb? (a) yeast (b) dry hair (c) a battery cell (d) a magnet
16. 16.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) yeast (b) a balloon (c) dry hair (d) a plastic comb
17. 17.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) number of rubs (b) paper bits picked up (c) the paper bit size (d) distance to the paper
18. 18.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
19. 19.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a balloon (c) a magnet (d) dry hair
20. 20.⚖️ 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) distance to the paper (c) the same comb (d) number of rubs
21. 21.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is kept the same. (a) True (b) False
22. 22.🔍 Which is the odd one out? (a) dry hair (b) tiny paper bits (c) puffed rice (d) a heavy book
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 turns into water (c) it bursts at once (d) it sticks for a while
24. 24.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
25. 25.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) a balloon (c) dry hair (d) a battery cell
26. 26.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
27. 27.True or false: a pebble does not move to a charged comb. (a) True (b) False
28. 28.True or false: a heavy book jumps to a charged comb. (a) False (b) True
29. 29.⚡ Which big natural spark is caused by static electricity? (a) the wind (b) dew (c) a rainbow (d) lightning
30. 30.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) tiny paper bits (c) a mirror (d) dry hair
31. 31.⚡ Why does the rubbed comb pull the paper bits? (a) it has static charge (b) it is a magnet (c) it is sticky (d) it is hot
32. 32.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) puffed rice (c) a thin water stream (d) a heavy book
33. 33.🧺 Which of these is not needed for the static comb? (a) vinegar (b) tiny paper bits (c) dry hair (d) a balloon
34. 34.⚡ Which of these jumps to a charged comb? (a) a brick (b) a heavy book (c) a steel spoon (d) dry hair
35. 35.True or false: tiny paper bits jumps to a charged comb. (a) True (b) False
36. 36.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
37. 37.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) nothing at all (c) the water freezes (d) the stream bends
38. 38.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) turmeric powder (c) dry hair (d) a plastic comb
39. 39.True or false: a plastic comb is not needed for the static comb. (a) False (b) True
40. 40.True or false: a brick does not move to a charged comb. (a) False (b) True

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