Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 377 · 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) tiny paper bits (b) a battery cell (c) dry hair (d) a plastic comb
2. 2.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is kept the same. (a) True (b) False
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) distance to the paper (c) the paper bit size (d) paper bits picked up
4. 4.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) paper bits picked up (b) the same hair (c) number of rubs
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 turns into water (c) it sticks for a while (d) it falls straight down
6. 6.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) paper bits on a comb (c) plug points at home (d) a rubbed plastic comb
7. 7.True or false: tiny paper bits is needed for the static comb. (a) False (b) True
8. 8.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
9. 9.🔍 Which is the odd one out? (a) a thin water stream (b) tiny paper bits (c) a heavy book (d) dry hair
10. 10.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) a balloon (d) a magnet
11. 11.True or false: yeast is not needed for the static comb. (a) False (b) True
12. 12.True or false: a pebble jumps to a charged comb. (a) True (b) False
13. 13.True or false: puffed rice jumps to a charged comb. (a) True (b) False
14. 14.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) tiny paper bits (c) dry hair (d) yeast
15. 15.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a magnet (c) a plastic comb (d) tiny paper bits
16. 16.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
17. 17.True or false: a battery cell is needed for the static comb. (a) False (b) True
18. 18.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is what we measure. (a) False (b) True
19. 19.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) they turn blue (c) nothing happens (d) the bits jump to it
20. 20.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
21. 21.🛟 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
22. 22.🔍 Which is the odd one out? (a) a pebble (b) dry hair (c) a heavy book (d) a steel spoon
23. 23.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) sunlight (c) static electricity (d) magnetism
24. 24.True or false: yeast is needed for the static comb. (a) True (b) False
25. 25.True or false: dry hair is needed for the static comb. (a) True (b) False
26. 26.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a steel spoon (c) puffed rice (d) a heavy book
27. 27.🔍 Which is the odd one out? (a) dry hair (b) thermocol bits (c) a pebble (d) tiny paper bits
28. 28.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) tiny paper bits (c) turmeric powder (d) dry hair
29. 29.⚖️ 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
30. 30.⚖️ 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
31. 31.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it hardly works (c) it works better (d) it lights up
32. 32.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
33. 33.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
34. 34.⚡ Why does the rubbed comb pull the paper bits? (a) it is hot (b) it has static charge (c) it is a magnet (d) it is sticky
35. 35.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a heavy book (c) tiny paper bits (d) a steel spoon
36. 36.⚡ Which big natural spark is caused by static electricity? (a) dew (b) the wind (c) lightning (d) a rainbow
37. 37.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
38. 38.⚡ Why does the comb trick work best on a dry day? (a) damp air leaks charge (b) water adds charge (c) wet hair is magnetic (d) dry days are noisy
39. 39.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) paper bits picked up (b) the paper bit size (c) number of rubs
40. 40.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed

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