Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 393 · 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.True or false: a battery cell is needed for the static comb. (a) False (b) True
2. 2.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
3. 3.True or false: a balloon is not needed for the static comb. (a) True (b) False
4. 4.⚡ Why does the rubbed comb pull the paper bits? (a) it is sticky (b) it has static charge (c) it is a magnet (d) it is hot
5. 5.⚖️ 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) the same comb (c) the same hair (d) number of rubs
6. 6.True or false: a heavy book does not move to a charged comb. (a) True (b) False
7. 7.🔍 Which is the odd one out? (a) a brick (b) thermocol bits (c) tiny paper bits (d) puffed rice
8. 8.True or false: turmeric powder is needed for the static comb. (a) False (b) True
9. 9.True or false: a mirror is not needed for the static comb. (a) False (b) True
10. 10.⚡ Which of these does not move to a charged comb? (a) a brick (b) thermocol bits (c) puffed rice (d) a thin water stream
11. 11.True or false: a steel spoon does not move to a charged comb. (a) True (b) False
12. 12.🔍 Which is the odd one out? (a) a pebble (b) puffed rice (c) a thin water stream (d) dry hair
13. 13.⚡ Which of these does not move to a charged comb? (a) a heavy book (b) tiny paper bits (c) a thin water stream (d) dry hair
14. 14.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
15. 15.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a balloon (c) a plastic comb (d) a battery cell
16. 16.True or false: a steel spoon jumps to a charged comb. (a) False (b) True
17. 17.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
18. 18.⚖️ 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) True (b) False
19. 19.⚖️ 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
20. 20.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) sunlight (c) static electricity (d) gravity
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.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the same comb (b) paper bits picked up (c) the same hair (d) number of rubs
23. 23.⚡ Which of these jumps to a charged comb? (a) dry hair (b) a brick (c) a pebble (d) a heavy book
24. 24.🔍 Which is the odd one out? (a) a heavy book (b) dry hair (c) a pebble (d) a steel spoon
25. 25.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we change it (b) we keep it the same (c) we measure it
26. 26.⚖️ 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
27. 27.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) vinegar (c) a mirror (d) dry hair
28. 28.True or false: a thin water stream jumps to a charged comb. (a) True (b) False
29. 29.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
30. 30.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
31. 31.True or false: tiny paper bits is needed for the static comb. (a) False (b) True
32. 32.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
33. 33.🧺 Which of these is needed for the static comb? (a) a plastic comb (b) turmeric powder (c) vinegar (d) a magnet
34. 34.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is kept the same. (a) True (b) False
35. 35.⚡ Which big natural spark is caused by static electricity? (a) lightning (b) the wind (c) dew (d) a rainbow
36. 36.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
37. 37.🔮 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 sticks for a while (d) it turns into water
38. 38.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) paper bits on a comb (c) a rubbed balloon (d) plug points at home
39. 39.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
40. 40.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) a balloon (d) a mirror

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