Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 635 · 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.⚖️ 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
2. 2.🛟 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
3. 3.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) vinegar (c) tiny paper bits (d) a plastic comb
4. 4.🧺 Which of these is not needed for the static comb? (a) dry hair (b) tiny paper bits (c) a magnet (d) a balloon
5. 5.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) indoors (c) under a tall tree (d) in an open field
6. 6.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
7. 7.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
8. 8.🧺 Which of these is not needed for the static comb? (a) turmeric powder (b) tiny paper bits (c) a plastic comb (d) dry hair
9. 9.⚖️ 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 same comb (c) the same hair (d) distance to the paper
10. 10.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
11. 11.⚡ Which of these jumps to a charged comb? (a) a thin water stream (b) a heavy book (c) a pebble (d) a steel spoon
12. 12.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a balloon (c) tiny paper bits (d) a mirror
13. 13.🧺 Which of these is needed for the static comb? (a) a battery cell (b) a plastic comb (c) a mirror (d) turmeric powder
14. 14.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it works better (c) it hardly works (d) it becomes a magnet
15. 15.🔍 Which is the odd one out? (a) thermocol bits (b) tiny paper bits (c) a thin water stream (d) a brick
16. 16.⚡ Why does the comb trick work best on a dry day? (a) wet hair is magnetic (b) dry days are noisy (c) damp air leaks charge (d) water adds charge
17. 17.⚡ Which of these does not move to a charged comb? (a) a heavy book (b) puffed rice (c) tiny paper bits (d) a thin water stream
18. 18.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) dry hair (c) a plastic comb (d) a magnet
19. 19.⚖️ 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) number of rubs (c) the same comb (d) the paper bit size
20. 20.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) tiny paper bits (c) yeast (d) a magnet
21. 21.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
22. 22.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a plastic comb (c) a battery cell (d) a balloon
23. 23.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is kept the same. (a) True (b) False
24. 24.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we change it (b) we keep it the same (c) we measure it
25. 25.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) a steel spoon (c) tiny paper bits (d) a thin water stream
26. 26.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
27. 27.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
28. 28.True or false: a heavy book jumps to a charged comb. (a) False (b) True
29. 29.True or false: a mirror is needed for the static comb. (a) False (b) True
30. 30.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) magnetism (c) sunlight (d) static electricity
31. 31.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
32. 32.⚡ Which big natural spark is caused by static electricity? (a) dew (b) the wind (c) lightning (d) a rainbow
33. 33.True or false: a steel spoon jumps to a charged comb. (a) True (b) False
34. 34.🧺 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 battery cell
35. 35.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is the one thing we change. (a) True (b) False
36. 36.🔍 Which is the odd one out? (a) a pebble (b) dry hair (c) thermocol bits (d) puffed rice
37. 37.🔍 Which is the odd one out? (a) a steel spoon (b) a heavy book (c) tiny paper bits (d) a pebble
38. 38.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
39. 39.⚡ A rubbed comb is held near a heavy book. What happens? (a) does not move (b) jumps to the comb
40. 40.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) nothing at all (b) the water freezes (c) the water stops (d) the stream bends

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