Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 46 · 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) vinegar (c) dry hair (d) a balloon
2. 2.🔍 Which is the odd one out? (a) a pebble (b) tiny paper bits (c) a brick (d) a heavy book
3. 3.True or false: a brick jumps to a charged comb. (a) False (b) True
4. 4.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) a battery cell (d) a plastic comb
5. 5.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
6. 6.🔍 Which is the odd one out? (a) thermocol bits (b) puffed rice (c) a thin water stream (d) a steel spoon
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) dew (b) the wind (c) lightning (d) a rainbow
9. 9.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) dry hair (c) yeast (d) tiny paper bits
10. 10.⚡ Why does the comb trick work best on a dry day? (a) wet hair is magnetic (b) water adds charge (c) damp air leaks charge (d) dry days are noisy
11. 11.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we keep it the same (b) we measure it (c) we change it
12. 12.⚖️ 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
13. 13.🧺 Which of these is not needed for the static comb? (a) turmeric powder (b) dry hair (c) a plastic comb (d) a balloon
14. 14.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
15. 15.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is kept the same. (a) True (b) False
16. 16.🧺 Which of these is not needed for the static comb? (a) a balloon (b) vinegar (c) a plastic comb (d) tiny paper bits
17. 17.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) static electricity (c) gravity (d) sunlight
18. 18.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
19. 19.🔍 Which is the odd one out? (a) a steel spoon (b) a pebble (c) puffed rice (d) a heavy book
20. 20.🔮 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
21. 21.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is what we measure. (a) False (b) True
22. 22.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) a rubbed plastic comb (c) paper bits on a comb (d) plug points at home
23. 23.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) on a rooftop (c) in an open field (d) indoors
24. 24.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) the bits jump to it (c) they turn blue (d) nothing happens
25. 25.True or false: a plastic comb is not needed for the static comb. (a) False (b) True
26. 26.⚖️ 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
27. 27.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) tiny paper bits (d) a magnet
28. 28.True or false: a battery cell is needed for the static comb. (a) False (b) True
29. 29.⚡ Why does the rubbed comb pull the paper bits? (a) it is sticky (b) it is a magnet (c) it has static charge (d) it is hot
30. 30.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) paper bits picked up (b) the paper bit size (c) the same comb (d) number of rubs
31. 31.True or false: a magnet is not needed for the static comb. (a) False (b) True
32. 32.True or false: a plastic comb is needed for the static comb. (a) True (b) False
33. 33.⚡ Which of these does not move to a charged comb? (a) a pebble (b) dry hair (c) thermocol bits (d) tiny paper bits
34. 34.⚡ Which of these jumps to a charged comb? (a) a brick (b) a steel spoon (c) a thin water stream (d) a pebble
35. 35.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
36. 36.True or false: a heavy book jumps to a charged comb. (a) True (b) False
37. 37.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a balloon (c) a mirror (d) tiny paper bits
38. 38.⚖️ 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
39. 39.True or false: a steel spoon does not move to a charged comb. (a) False (b) True
40. 40.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed

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