Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 991 · 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 big natural spark is caused by static electricity? (a) dew (b) a rainbow (c) lightning (d) the wind
2. 2.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
3. 3.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
4. 4.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
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 measure it (b) we keep it the same (c) we change it
6. 6.🔍 Which is the odd one out? (a) a brick (b) tiny paper bits (c) a heavy book (d) a steel spoon
7. 7.True or false: a pebble does not move to a charged comb. (a) False (b) True
8. 8.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it turns into water (c) it bursts at once (d) it sticks for a while
9. 9.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it lights up (c) it hardly works (d) it works better
10. 10.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) a rubbed balloon (c) a rubbed plastic comb (d) plug points at home
11. 11.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
12. 12.True or false: a mirror 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 “distance to the paper”? (a) we measure it (b) we change it (c) we keep it the same
14. 14.⚡ 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) they turn wet (d) nothing happens
15. 15.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
16. 16.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) paper bits picked up (b) number of rubs (c) the paper bit size
17. 17.⚡ Which of these does not move to a charged comb? (a) a heavy book (b) puffed rice (c) tiny paper bits (d) a thin water stream
18. 18.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
19. 19.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is what we measure. (a) False (b) True
20. 20.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
21. 21.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
22. 22.True or false: dry hair jumps to a charged comb. (a) True (b) False
23. 23.True or false: a steel spoon jumps to a charged comb. (a) False (b) True
24. 24.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the stream bends (b) nothing at all (c) the water freezes (d) the water stops
25. 25.True or false: tiny paper bits jumps to a charged comb. (a) False (b) True
26. 26.🔍 Which is the odd one out? (a) a heavy book (b) a pebble (c) a steel spoon (d) dry hair
27. 27.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) vinegar (c) dry hair (d) a plastic comb
28. 28.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is the one thing we change. (a) False (b) True
29. 29.⚡ 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
30. 30.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) vinegar (d) a balloon
31. 31.⚖️ 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) paper bits picked up (d) the same comb
32. 32.⚖️ 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
33. 33.🔍 Which is the odd one out? (a) puffed rice (b) a steel spoon (c) a pebble (d) a heavy book
34. 34.🧺 Which of these is needed for the static comb? (a) a mirror (b) tiny paper bits (c) a battery cell (d) a magnet
35. 35.True or false: a pebble jumps to a charged comb. (a) False (b) True
36. 36.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) on a rooftop (c) indoors (d) under a tall tree
37. 37.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is kept the same. (a) False (b) True
38. 38.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
39. 39.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is what we measure. (a) True (b) False
40. 40.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) dry hair (d) yeast

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