Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 380 · 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.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) sunlight (c) gravity (d) static electricity
2. 2.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it sticks for a while (b) it falls straight down (c) it turns into water (d) it bursts at once
3. 3.🔍 Which is the odd one out? (a) a heavy book (b) thermocol bits (c) dry hair (d) a thin water stream
4. 4.⚖️ 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
5. 5.⚖️ 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 comb (b) the same hair (c) number of rubs (d) distance to the paper
6. 6.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) paper bits on a comb (c) a rubbed plastic comb (d) plug points at home
7. 7.True or false: a pebble does not move to a charged comb. (a) False (b) True
8. 8.⚖️ 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) the paper bit size (c) paper bits picked up (d) number of rubs
9. 9.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) dry hair (c) a plastic comb (d) a magnet
10. 10.🔍 Which is the odd one out? (a) a pebble (b) a heavy book (c) a steel spoon (d) a thin water stream
11. 11.True or false: dry hair does not move to a charged comb. (a) True (b) False
12. 12.🔍 Which is the odd one out? (a) a pebble (b) tiny paper bits (c) a steel spoon (d) a brick
13. 13.🔮 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
14. 14.🧺 Which of these is needed for the static comb? (a) dry hair (b) a battery cell (c) yeast (d) a magnet
15. 15.🧺 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) turmeric powder
16. 16.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
17. 17.🧺 Which of these is not needed for the static comb? (a) a balloon (b) dry hair (c) a plastic comb (d) a battery cell
18. 18.True or false: a thin water stream does not move to a charged comb. (a) False (b) True
19. 19.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
20. 20.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) dry hair (c) vinegar (d) a plastic comb
21. 21.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
22. 22.True or false: a plastic comb is needed for the static comb. (a) False (b) True
23. 23.True or false: dry hair is needed for the static comb. (a) True (b) False
24. 24.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is kept the same. (a) True (b) False
25. 25.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a balloon (c) a mirror (d) a plastic comb
26. 26.🛟 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
27. 27.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we change it (b) we keep it the same (c) we measure it
28. 28.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we measure it (b) we keep it the same (c) we change it
29. 29.⚖️ 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 change it (c) we measure it
30. 30.⚖️ 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
31. 31.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is what we measure. (a) True (b) False
32. 32.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a battery cell (b) dry hair (c) a balloon (d) a plastic comb
33. 33.⚖️ 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
34. 34.🧺 Which of these is not needed for the static comb? (a) dry hair (b) tiny paper bits (c) a balloon (d) yeast
35. 35.🔍 Which is the odd one out? (a) thermocol bits (b) a thin water stream (c) a brick (d) dry hair
36. 36.🔍 Which is the odd one out? (a) a heavy book (b) a steel spoon (c) a brick (d) puffed rice
37. 37.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) a balloon (c) dry hair (d) a mirror
38. 38.🧺 Which of these is not needed for the static comb? (a) a magnet (b) dry hair (c) tiny paper bits (d) a plastic comb
39. 39.⚡ Why does the rubbed comb pull the paper bits? (a) it is hot (b) it has static charge (c) it is sticky (d) it is a magnet
40. 40.⚡ Which of these does not move to a charged comb? (a) a pebble (b) dry hair (c) tiny paper bits (d) thermocol bits

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