Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 217 · 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.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
2. 2.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) turmeric powder (b) dry hair (c) a plastic comb (d) a balloon
3. 3.⚖️ 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) False (b) True
4. 4.⚡ Which of these does not move to a charged comb? (a) dry hair (b) thermocol bits (c) a heavy book (d) tiny paper bits
5. 5.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it falls straight down (c) it turns into water (d) it sticks for a while
6. 6.True or false: a mirror is needed for the static comb. (a) False (b) True
7. 7.True or false: a pebble does not move to a charged comb. (a) True (b) False
8. 8.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) distance to the paper (b) paper bits picked up (c) number of rubs (d) the paper bit size
9. 9.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
10. 10.🛟 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
11. 11.⚡ Which big natural spark is caused by static electricity? (a) dew (b) lightning (c) the wind (d) a rainbow
12. 12.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
13. 13.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) static electricity (c) sunlight (d) magnetism
14. 14.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) yeast (b) a plastic comb (c) dry hair (d) a balloon
15. 15.🧺 Which of these is not needed for the static comb? (a) turmeric powder (b) dry hair (c) a plastic comb (d) a balloon
16. 16.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a balloon (c) a battery cell (d) a plastic comb
17. 17.True or false: tiny paper bits does not move to a charged comb. (a) False (b) True
18. 18.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
19. 19.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) a rubbed plastic comb (c) a rubbed balloon (d) plug points at home
20. 20.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a plastic comb (c) a mirror (d) tiny paper bits
21. 21.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
22. 22.🔍 Which is the odd one out? (a) dry hair (b) a heavy book (c) a brick (d) a steel spoon
23. 23.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it lights up (c) it hardly works (d) it works better
24. 24.⚖️ 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
25. 25.🔍 Which is the odd one out? (a) a thin water stream (b) dry hair (c) tiny paper bits (d) a steel spoon
26. 26.🧺 Which of these is needed for the static comb? (a) a mirror (b) vinegar (c) a magnet (d) a plastic comb
27. 27.True or false: a pebble jumps to a charged comb. (a) True (b) False
28. 28.🧺 Which of these is needed for the static comb? (a) tiny paper bits (b) a magnet (c) turmeric powder (d) a mirror
29. 29.🧺 Which of these is needed for the static comb? (a) yeast (b) a battery cell (c) dry hair (d) turmeric powder
30. 30.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
31. 31.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we keep it the same (b) we measure it (c) we change it
32. 32.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
33. 33.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the stream bends (b) the water stops (c) nothing at all (d) the water freezes
34. 34.⚡ Which of these jumps to a charged comb? (a) a brick (b) tiny paper bits (c) a steel spoon (d) a pebble
35. 35.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a brick (c) a pebble (d) a thin water stream
36. 36.True or false: a battery cell is needed for the static comb. (a) True (b) False
37. 37.⚖️ 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) True (b) False
38. 38.True or false: a plastic comb is not needed for the static comb. (a) True (b) False
39. 39.True or false: a battery cell is not needed for the static comb. (a) False (b) True
40. 40.True or false: a plastic comb is needed for the static comb. (a) False (b) True

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