Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 915 · 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.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
2. 2.True or false: a thin water stream does not move to a charged comb. (a) True (b) False
3. 3.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) the wind (c) dew (d) lightning
4. 4.🔍 Which is the odd one out? (a) a steel spoon (b) a thin water stream (c) dry hair (d) thermocol bits
5. 5.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) plug points at home (c) a rubbed plastic comb (d) a rubbed balloon
6. 6.🔮 Predict: you wet the comb before trying again. What happens? (a) it hardly works (b) it becomes a magnet (c) it works better (d) it lights up
7. 7.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
8. 8.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a plastic comb (c) yeast (d) dry hair
9. 9.🧺 Which of these is needed for the static comb? (a) vinegar (b) a plastic comb (c) yeast (d) a magnet
10. 10.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a battery cell (b) a balloon (c) a plastic comb (d) tiny paper bits
11. 11.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) dry hair (c) tiny paper bits (d) a battery cell
12. 12.⚡ Why does the rubbed comb pull the paper bits? (a) it has static charge (b) it is a magnet (c) it is hot (d) it is sticky
13. 13.True or false: a battery cell is not needed for the static comb. (a) True (b) False
14. 14.True or false: a plastic comb is not needed for the static comb. (a) False (b) True
15. 15.True or false: a thin water stream jumps to a charged comb. (a) False (b) True
16. 16.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is kept the same. (a) False (b) True
17. 17.🔍 Which is the odd one out? (a) thermocol bits (b) a thin water stream (c) a heavy book (d) dry hair
18. 18.⚖️ 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) the paper bit size (d) number of rubs
19. 19.True or false: a balloon is needed for the static comb. (a) True (b) False
20. 20.🔍 Which is the odd one out? (a) puffed rice (b) thermocol bits (c) tiny paper bits (d) a brick
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 measure it (c) we keep it the same
22. 22.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the stream bends (b) the water stops (c) nothing at all (d) the water freezes
23. 23.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) magnetism (c) static electricity (d) sunlight
24. 24.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) tiny paper bits (c) a steel spoon (d) a pebble
25. 25.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) vinegar (b) dry hair (c) tiny paper bits (d) a plastic comb
26. 26.True or false: a brick does not move to a charged comb. (a) True (b) False
27. 27.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
28. 28.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
29. 29.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) they turn blue (c) the bits jump to it (d) nothing happens
30. 30.⚖️ 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
31. 31.True or false: dry hair jumps to a charged comb. (a) True (b) False
32. 32.⚖️ 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
33. 33.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
34. 34.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it falls straight down (c) it turns into water (d) it sticks for a while
35. 35.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) thermocol bits (c) dry hair (d) a heavy book
36. 36.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is the one thing we change. (a) True (b) False
37. 37.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a brick (c) a heavy book (d) dry hair
38. 38.⚡ Which of these jumps to a charged comb? (a) puffed rice (b) a pebble (c) a steel spoon (d) a heavy book
39. 39.True or false: puffed rice does not move to a charged comb. (a) True (b) False
40. 40.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed

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