Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 894 · 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 magnet is not needed for the static comb. (a) True (b) False
3. 3.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is what we measure. (a) True (b) False
4. 4.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) number of rubs (b) paper bits picked up (c) the same comb
5. 5.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it turns into water (b) it sticks for a while (c) it bursts at once (d) it falls straight down
6. 6.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) indoors (c) under a tall tree (d) in an open field
7. 7.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
8. 8.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
9. 9.⚖️ 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 same hair
10. 10.⚡ 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
11. 11.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
12. 12.True or false: dry hair jumps to a charged comb. (a) False (b) True
13. 13.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) yeast (c) tiny paper bits (d) a plastic comb
14. 14.🔍 Which is the odd one out? (a) tiny paper bits (b) a heavy book (c) a steel spoon (d) a brick
15. 15.True or false: a brick jumps to a charged comb. (a) False (b) True
16. 16.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
17. 17.⚡ Which of these does not move to a charged comb? (a) a pebble (b) puffed rice (c) a thin water stream (d) tiny paper bits
18. 18.🔍 Which is the odd one out? (a) a thin water stream (b) puffed rice (c) a heavy book (d) tiny paper bits
19. 19.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) vinegar (d) dry hair
20. 20.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) the bits jump to it (c) they turn blue (d) nothing happens
21. 21.True or false: a mirror is not needed for the static comb. (a) False (b) True
22. 22.⚖️ 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) distance to the paper (c) number of rubs
23. 23.🔮 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
24. 24.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) tiny paper bits (c) a plastic comb (d) a magnet
25. 25.True or false: thermocol bits does not move to a charged comb. (a) True (b) False
26. 26.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is what we measure. (a) False (b) True
27. 27.🧺 Which of these is not needed for the static comb? (a) vinegar (b) dry hair (c) a plastic comb (d) a balloon
28. 28.True or false: a battery cell is not needed for the static comb. (a) False (b) True
29. 29.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is the one thing we change. (a) True (b) False
30. 30.⚖️ 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
31. 31.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is the one thing we change. (a) True (b) False
32. 32.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we keep it the same (b) we measure it (c) we change it
33. 33.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) paper bits picked up (b) distance to the paper (c) number of rubs (d) the same comb
34. 34.🔍 Which is the odd one out? (a) a brick (b) dry hair (c) thermocol bits (d) puffed rice
35. 35.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) sunlight (c) static electricity (d) gravity
36. 36.⚖️ 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
37. 37.🛟 Static from a comb is safe. Which electricity must children never play with? (a) plug points at home (b) a rubbed balloon (c) a rubbed plastic comb (d) paper bits on a comb
38. 38.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) a mirror (d) a plastic comb
39. 39.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
40. 40.🧺 Which of these is needed for the static comb? (a) a magnet (b) a plastic comb (c) turmeric powder (d) yeast

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