Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 58 · 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.⚡ Which of these jumps to a charged comb? (a) a brick (b) tiny paper bits (c) a heavy book (d) a pebble
2. 2.⚖️ 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
3. 3.⚡ Which of these jumps to a charged comb? (a) dry hair (b) a pebble (c) a steel spoon (d) a heavy book
4. 4.True or false: tiny paper bits is needed for the static comb. (a) True (b) False
5. 5.⚖️ 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 keep it the same (c) we measure it
6. 6.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) the stream bends (c) the water freezes (d) nothing at all
7. 7.🔍 Which is the odd one out? (a) a brick (b) a thin water stream (c) tiny paper bits (d) puffed rice
8. 8.🧺 Which of these is not needed for the static comb? (a) a balloon (b) a battery cell (c) dry hair (d) tiny paper bits
9. 9.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
10. 10.True or false: dry hair does not move to a charged comb. (a) True (b) False
11. 11.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a mirror (b) tiny paper bits (c) a balloon (d) dry hair
12. 12.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) indoors (c) in an open field (d) under a tall tree
13. 13.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) yeast (d) dry hair
14. 14.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
15. 15.⚡ Why does the comb trick work best on a dry day? (a) dry days are noisy (b) wet hair is magnetic (c) water adds charge (d) damp air leaks charge
16. 16.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we measure it (b) we change it (c) we keep it the same
17. 17.True or false: a heavy book jumps to a charged comb. (a) False (b) True
18. 18.⚖️ 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) the paper bit size (c) the same comb (d) distance to the paper
19. 19.🧺 Which of these is needed for the static comb? (a) a magnet (b) tiny paper bits (c) a battery cell (d) yeast
20. 20.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn blue (b) they turn wet (c) the bits jump to it (d) nothing happens
21. 21.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it becomes a magnet (c) it hardly works (d) it works better
22. 22.⚡ Which of these does not move to a charged comb? (a) dry hair (b) a pebble (c) puffed rice (d) a thin water stream
23. 23.🔍 Which is the odd one out? (a) puffed rice (b) thermocol bits (c) a pebble (d) a thin water stream
24. 24.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it turns into water (b) it bursts at once (c) it falls straight down (d) it sticks for a while
25. 25.⚖️ 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) False (b) True
26. 26.⚡ Which of these does not move to a charged comb? (a) a steel spoon (b) puffed rice (c) a thin water stream (d) tiny paper bits
27. 27.⚖️ 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 measure it (c) we keep it the same
28. 28.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is what we measure. (a) False (b) True
29. 29.True or false: dry hair is needed for the static comb. (a) False (b) True
30. 30.True or false: a battery cell is not needed for the static comb. (a) False (b) True
31. 31.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the same hair (b) number of rubs (c) paper bits picked up
32. 32.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a plastic comb (c) dry hair (d) vinegar
33. 33.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
34. 34.⚡ Why does the rubbed comb pull the paper bits? (a) it is hot (b) it is a magnet (c) it has static charge (d) it is sticky
35. 35.True or false: tiny paper bits jumps to a charged comb. (a) False (b) True
36. 36.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) plug points at home (c) a rubbed balloon (d) paper bits on a comb
37. 37.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a pebble (c) thermocol bits (d) a steel spoon
38. 38.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) a heavy book (c) thermocol bits (d) a thin water stream
39. 39.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
40. 40.🧺 Do we need vinegar for the static comb? (a) not needed (b) needed

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