Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 196 · 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.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a plastic comb (c) a balloon (d) turmeric powder
2. 2.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
3. 3.🧺 Which of these is not needed for the static comb? (a) a balloon (b) tiny paper bits (c) dry hair (d) a mirror
4. 4.True or false: a thin water stream jumps to a charged comb. (a) True (b) False
5. 5.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a magnet (c) a plastic comb (d) tiny paper bits
6. 6.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a balloon (c) a mirror (d) yeast
7. 7.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
8. 8.True or false: puffed rice jumps to a charged comb. (a) False (b) True
9. 9.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is the one thing we change. (a) False (b) True
10. 10.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) plug points at home (c) paper bits on a comb (d) a rubbed balloon
11. 11.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the stream bends (b) the water stops (c) the water freezes (d) nothing at all
12. 12.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) sunlight (c) magnetism (d) static electricity
13. 13.⚖️ 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
14. 14.🧺 Which of these is needed for the static comb? (a) a magnet (b) yeast (c) a plastic comb (d) a mirror
15. 15.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
16. 16.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
17. 17.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
18. 18.⚡ Why does the rubbed comb pull the paper bits? (a) it is hot (b) it has static charge (c) it is sticky (d) it is a magnet
19. 19.🧺 Which of these is needed for the static comb? (a) a battery cell (b) vinegar (c) yeast (d) tiny paper bits
20. 20.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) on a rooftop (c) under a tall tree (d) indoors
21. 21.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) the same hair (b) paper bits picked up (c) distance to the paper (d) number of rubs
22. 22.True or false: a plastic comb is not needed for the static comb. (a) True (b) False
23. 23.🧺 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) a balloon
24. 24.True or false: tiny paper bits is needed for the static comb. (a) False (b) True
25. 25.⚡ Which big natural spark is caused by static electricity? (a) lightning (b) the wind (c) a rainbow (d) dew
26. 26.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
27. 27.True or false: a magnet is not needed for the static comb. (a) True (b) False
28. 28.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
29. 29.⚖️ 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 keep it the same (c) we measure it
30. 30.True or false: a magnet is needed for the static comb. (a) True (b) False
31. 31.True or false: a mirror is not needed for the static comb. (a) False (b) True
32. 32.🔍 Which is the odd one out? (a) a steel spoon (b) a heavy book (c) a thin water stream (d) a brick
33. 33.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a plastic comb (c) dry hair (d) vinegar
34. 34.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the same comb (b) paper bits picked up (c) distance to the paper (d) number of rubs
35. 35.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we measure it (b) we keep it the same (c) we change it
36. 36.True or false: a heavy book jumps to a charged comb. (a) False (b) True
37. 37.🔮 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
38. 38.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a pebble (c) a brick (d) thermocol bits
39. 39.⚖️ 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
40. 40.⚖️ 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

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