Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 577 · 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.🛟 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
2. 2.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
3. 3.🔮 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
4. 4.🧺 Which of these is needed for the static comb? (a) vinegar (b) a mirror (c) yeast (d) a plastic comb
5. 5.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) tiny paper bits (c) a pebble (d) a thin water stream
6. 6.🔍 Which is the odd one out? (a) a pebble (b) a heavy book (c) tiny paper bits (d) a brick
7. 7.🔍 Which is the odd one out? (a) tiny paper bits (b) puffed rice (c) a brick (d) thermocol bits
8. 8.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
9. 9.🔍 Which is the odd one out? (a) a heavy book (b) a steel spoon (c) a brick (d) dry hair
10. 10.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn blue (b) nothing happens (c) the bits jump to it (d) they turn wet
11. 11.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
12. 12.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
13. 13.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we change it (b) we measure it (c) we keep it the same
14. 14.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
15. 15.True or false: a balloon is needed for the static comb. (a) False (b) True
16. 16.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a plastic comb (c) a balloon (d) a magnet
17. 17.🧺 Which of these is not needed for the static comb? (a) a balloon (b) tiny paper bits (c) a mirror (d) a plastic comb
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) number of rubs (b) the same hair (c) distance to the paper (d) paper bits picked up
19. 19.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it turns into water (c) it sticks for a while (d) it falls straight down
20. 20.🔮 Predict: you wet the comb before trying again. What happens? (a) it hardly works (b) it works better (c) it becomes a magnet (d) it lights up
21. 21.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we change it (b) we keep it the same (c) we measure it
22. 22.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a plastic comb (c) tiny paper bits (d) a mirror
23. 23.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
24. 24.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a magnet (c) a plastic comb (d) dry hair
25. 25.🔍 Which is the odd one out? (a) tiny paper bits (b) a steel spoon (c) thermocol bits (d) puffed rice
26. 26.⚖️ 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
27. 27.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) dry hair (d) yeast
28. 28.True or false: a mirror is not needed for the static comb. (a) False (b) True
29. 29.True or false: tiny paper bits is needed for the static comb. (a) False (b) True
30. 30.🔍 Which is the odd one out? (a) a thin water stream (b) thermocol bits (c) a pebble (d) puffed rice
31. 31.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is what we measure. (a) True (b) False
32. 32.True or false: yeast is needed for the static comb. (a) True (b) False
33. 33.True or false: a pebble jumps to a charged comb. (a) True (b) False
34. 34.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
35. 35.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
36. 36.⚡ Why does the comb trick work best on a dry day? (a) damp air leaks charge (b) dry days are noisy (c) wet hair is magnetic (d) water adds charge
37. 37.⚡ Why does the rubbed comb pull the paper bits? (a) it has static charge (b) it is sticky (c) it is hot (d) it is a magnet
38. 38.🔍 Which is the odd one out? (a) a thin water stream (b) tiny paper bits (c) a heavy book (d) thermocol bits
39. 39.🛟 Static from a comb is safe. Which electricity must children never play with? (a) plug points at home (b) a rubbed plastic comb (c) a rubbed balloon (d) paper bits on a comb
40. 40.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move

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