Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 831 · 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.🛟 Static from a comb is safe. Which electricity must children never play with? (a) plug points at home (b) paper bits on a comb (c) a rubbed plastic comb (d) a rubbed balloon
2. 2.🔍 Which is the odd one out? (a) dry hair (b) a pebble (c) a brick (d) a steel spoon
3. 3.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) number of rubs (b) the paper bit size (c) the same comb (d) the same hair
4. 4.⚖️ 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 keep it the same (c) we measure it
5. 5.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it bursts at once (c) it sticks for a while (d) it turns into water
6. 6.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
7. 7.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
8. 8.⚡ Which big natural spark is caused by static electricity? (a) lightning (b) dew (c) the wind (d) a rainbow
9. 9.True or false: a battery cell is needed for the static comb. (a) True (b) False
10. 10.🧺 Which of these is needed for the static comb? (a) a plastic comb (b) a magnet (c) turmeric powder (d) vinegar
11. 11.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
12. 12.⚖️ 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) False (b) True
13. 13.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) nothing at all (b) the water stops (c) the stream bends (d) the water freezes
14. 14.🔍 Which is the odd one out? (a) thermocol bits (b) a steel spoon (c) a heavy book (d) a brick
15. 15.True or false: a magnet is not needed for the static comb. (a) False (b) True
16. 16.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) yeast (c) dry hair (d) tiny paper bits
17. 17.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) on a rooftop (c) in an open field (d) under a tall tree
18. 18.True or false: a thin water stream does not move to a charged comb. (a) True (b) False
19. 19.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) sunlight (c) magnetism (d) static electricity
20. 20.True or false: tiny paper bits jumps to a charged comb. (a) False (b) True
21. 21.🔍 Which is the odd one out? (a) a thin water stream (b) a brick (c) dry hair (d) tiny paper bits
22. 22.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
23. 23.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
24. 24.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we keep it the same (b) we measure it (c) we change it
25. 25.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a heavy book (c) a brick (d) a thin water stream
26. 26.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the same hair (b) paper bits picked up (c) number of rubs
27. 27.True or false: yeast is needed for the static comb. (a) False (b) True
28. 28.True or false: a mirror is not needed for the static comb. (a) True (b) False
29. 29.True or false: a heavy book does not move to a charged comb. (a) True (b) False
30. 30.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we measure it (b) we change it (c) we keep it the same
31. 31.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) nothing happens (b) they turn wet (c) the bits jump to it (d) they turn blue
32. 32.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
33. 33.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) yeast (b) a plastic comb (c) a balloon (d) tiny paper bits
34. 34.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a balloon (c) dry hair (d) a battery cell
35. 35.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
36. 36.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we keep it the same (b) we measure it (c) we change it
37. 37.🔮 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
38. 38.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a brick (c) tiny paper bits (d) a heavy book
39. 39.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is what we measure. (a) True (b) False
40. 40.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a battery cell (c) tiny paper bits (d) a balloon

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