Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 512 · 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.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
2. 2.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it sticks for a while (c) it turns into water (d) it falls straight down
3. 3.⚖️ 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
4. 4.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a magnet (b) dry hair (c) tiny paper bits (d) a balloon
5. 5.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
6. 6.⚡ Which big natural spark is caused by static electricity? (a) dew (b) a rainbow (c) the wind (d) lightning
7. 7.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
8. 8.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a mirror (c) tiny paper bits (d) a battery cell
9. 9.True or false: dry hair is not needed for the static comb. (a) False (b) True
10. 10.🔍 Which is the odd one out? (a) thermocol bits (b) dry hair (c) a brick (d) puffed rice
11. 11.⚖️ 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) number of rubs (d) the same hair
12. 12.🔍 Which is the odd one out? (a) tiny paper bits (b) a heavy book (c) a pebble (d) a brick
13. 13.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) number of rubs (b) distance to the paper (c) paper bits picked up
14. 14.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) nothing at all (c) the water freezes (d) the stream bends
15. 15.🔍 Which is the odd one out? (a) a pebble (b) a heavy book (c) a brick (d) a thin water stream
16. 16.⚖️ 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
17. 17.True or false: yeast is not needed for the static comb. (a) False (b) True
18. 18.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) the paper bit size (b) paper bits picked up (c) number of rubs (d) the same hair
19. 19.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we measure it (b) we change it (c) we keep it the same
20. 20.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) the bits jump to it (b) they turn blue (c) nothing happens (d) they turn wet
21. 21.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
22. 22.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) dry hair (c) a mirror (d) a plastic comb
23. 23.🔍 Which is the odd one out? (a) tiny paper bits (b) a pebble (c) dry hair (d) puffed rice
24. 24.🔍 Which is the odd one out? (a) a pebble (b) puffed rice (c) a steel spoon (d) a heavy book
25. 25.True or false: dry hair does not move to a charged comb. (a) True (b) False
26. 26.🧺 Which of these is needed for the static comb? (a) dry hair (b) a magnet (c) vinegar (d) turmeric powder
27. 27.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
28. 28.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) plug points at home (c) a rubbed plastic comb (d) paper bits on a comb
29. 29.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is kept the same. (a) False (b) True
30. 30.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) static electricity (b) gravity (c) sunlight (d) magnetism
31. 31.True or false: a mirror is not needed for the static comb. (a) False (b) True
32. 32.🔍 Which is the odd one out? (a) a brick (b) a pebble (c) a steel spoon (d) dry hair
33. 33.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
34. 34.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) dry hair (c) a steel spoon (d) a pebble
35. 35.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
36. 36.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) in an open field (c) on a rooftop (d) indoors
37. 37.🔍 Which is the odd one out? (a) thermocol bits (b) a thin water stream (c) a steel spoon (d) tiny paper bits
38. 38.⚡ Which of these jumps to a charged comb? (a) a brick (b) a heavy book (c) a steel spoon (d) a thin water stream
39. 39.⚡ Why does the rubbed comb pull the paper bits? (a) it has static charge (b) it is hot (c) it is sticky (d) it is a magnet
40. 40.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) number of rubs (b) paper bits picked up (c) the paper bit size

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