Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 619 · 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 brick jumps to a charged comb. (a) False (b) True
2. 2.True or false: a balloon is not needed for the static comb. (a) True (b) False
3. 3.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we change it (b) we keep it the same (c) we measure it
4. 4.🔍 Which is the odd one out? (a) puffed rice (b) thermocol bits (c) a thin water stream (d) a steel spoon
5. 5.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is the one thing we change. (a) False (b) True
6. 6.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a mirror (c) dry hair (d) a plastic comb
7. 7.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) in an open field (c) on a rooftop (d) under a tall tree
8. 8.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
9. 9.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
10. 10.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) dry hair (c) a thin water stream (d) a steel spoon
11. 11.🔮 Predict: you wet the comb before trying again. What happens? (a) it hardly works (b) it becomes a magnet (c) it lights up (d) it works better
12. 12.🧺 Which of these is not needed for the static comb? (a) a mirror (b) a balloon (c) dry hair (d) a plastic comb
13. 13.🔍 Which is the odd one out? (a) thermocol bits (b) a brick (c) a heavy book (d) a pebble
14. 14.True or false: a battery cell is not needed for the static comb. (a) False (b) True
15. 15.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a balloon (c) vinegar (d) dry hair
16. 16.⚖️ 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
17. 17.⚖️ 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
18. 18.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
19. 19.⚡ Which of these does not move to a charged comb? (a) dry hair (b) a heavy book (c) thermocol bits (d) puffed rice
20. 20.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it sticks for a while (b) it bursts at once (c) it falls straight down (d) it turns into water
21. 21.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) dry hair (c) a brick (d) a pebble
22. 22.True or false: a thin water stream does not move to a charged comb. (a) True (b) False
23. 23.⚡ Why does the rubbed comb pull the paper bits? (a) it is hot (b) it is a magnet (c) it is sticky (d) it has static charge
24. 24.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
25. 25.🧺 Which of these is not needed for the static comb? (a) dry hair (b) tiny paper bits (c) a plastic comb (d) yeast
26. 26.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) distance to the paper (b) the same hair (c) paper bits picked up (d) the same comb
27. 27.🛟 Static from a comb is safe. Which electricity must children never play with? (a) plug points at home (b) a rubbed balloon (c) paper bits on a comb (d) a rubbed plastic comb
28. 28.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
29. 29.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a heavy book (c) puffed rice (d) a brick
30. 30.True or false: a plastic comb is needed for the static comb. (a) False (b) True
31. 31.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
32. 32.🔍 Which is the odd one out? (a) a brick (b) a thin water stream (c) a pebble (d) a heavy book
33. 33.True or false: a plastic comb is not needed for the static comb. (a) False (b) True
34. 34.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) nothing happens (b) they turn wet (c) the bits jump to it (d) they turn blue
35. 35.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a brick (c) a heavy book (d) tiny paper bits
36. 36.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) nothing at all (b) the stream bends (c) the water stops (d) the water freezes
37. 37.⚡ Which of these jumps to a charged comb? (a) thermocol bits (b) a heavy book (c) a pebble (d) a steel spoon
38. 38.True or false: a magnet is not needed for the static comb. (a) True (b) False
39. 39.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
40. 40.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) the same hair (b) the same comb (c) number of rubs (d) paper bits picked up

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