Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 760 · 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.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
2. 2.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is kept the same. (a) False (b) True
3. 3.⚡ Why does the rubbed comb pull the paper bits? (a) it is sticky (b) it is hot (c) it has static charge (d) it is a magnet
4. 4.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) a battery cell (d) dry hair
5. 5.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) indoors (c) on a rooftop (d) under a tall tree
6. 6.⚡ Which of these does not move to a charged comb? (a) dry hair (b) a heavy book (c) a thin water stream (d) tiny paper bits
7. 7.⚖️ 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 keep it the same (c) we measure it
8. 8.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) static electricity (c) sunlight (d) magnetism
9. 9.True or false: a magnet is not needed for the static comb. (a) False (b) True
10. 10.🧺 Which of these is not needed for the static comb? (a) a mirror (b) dry hair (c) a plastic comb (d) a balloon
11. 11.True or false: dry hair is needed for the static comb. (a) False (b) True
12. 12.⚖️ 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) the paper bit size (c) paper bits picked up (d) number of rubs
13. 13.🧺 Which of these is needed for the static comb? (a) a mirror (b) dry hair (c) vinegar (d) a magnet
14. 14.⚖️ 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) True (b) False
15. 15.⚖️ 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
16. 16.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we measure it (b) we change it (c) we keep it the same
17. 17.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) a magnet (d) a plastic comb
18. 18.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is kept the same. (a) False (b) True
19. 19.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is what we measure. (a) True (b) False
20. 20.True or false: thermocol bits does not move to a charged comb. (a) True (b) False
21. 21.🔮 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
22. 22.🛟 Static from a comb is safe. Which electricity must children never play with? (a) plug points at home (b) a rubbed plastic comb (c) paper bits on a comb (d) a rubbed balloon
23. 23.🧺 Which of these is not needed for the static comb? (a) a balloon (b) a battery cell (c) a plastic comb (d) dry hair
24. 24.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is kept the same. (a) False (b) True
25. 25.True or false: vinegar is needed for the static comb. (a) True (b) False
26. 26.🧺 Which of these is needed for the static comb? (a) a mirror (b) a battery cell (c) turmeric powder (d) tiny paper bits
27. 27.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the paper bit size (b) number of rubs (c) paper bits picked up
28. 28.True or false: a thin water stream does not move to a charged comb. (a) False (b) True
29. 29.🧺 Which of these is needed for the static comb? (a) yeast (b) a battery cell (c) a plastic comb (d) a mirror
30. 30.⚡ 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
31. 31.⚡ Which of these jumps to a charged comb? (a) a brick (b) a pebble (c) a heavy book (d) tiny paper bits
32. 32.🔍 Which is the odd one out? (a) a thin water stream (b) a brick (c) a steel spoon (d) a heavy book
33. 33.True or false: a plastic comb is needed for the static comb. (a) False (b) True
34. 34.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we measure it (b) we change it (c) we keep it the same
35. 35.⚡ Which of these does not move to a charged comb? (a) dry hair (b) a brick (c) a thin water stream (d) tiny paper bits
36. 36.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
37. 37.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) dry hair (d) a mirror
38. 38.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) lightning (c) dew (d) the wind
39. 39.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
40. 40.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True

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