Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 866 · 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.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a battery cell (b) a plastic comb (c) tiny paper bits (d) a balloon
2. 2.🔍 Which is the odd one out? (a) a heavy book (b) a steel spoon (c) a brick (d) puffed rice
3. 3.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
4. 4.⚖️ 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) the paper bit size (c) the same hair (d) number of rubs
5. 5.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a pebble (c) a heavy book (d) dry hair
6. 6.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it lights up (c) it works better (d) it hardly works
7. 7.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a plastic comb (c) a mirror (d) a balloon
8. 8.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
9. 9.⚡ Which of these jumps to a charged comb? (a) a brick (b) a pebble (c) a heavy book (d) a thin water stream
10. 10.⚡ Why does the comb trick work best on a dry day? (a) damp air leaks charge (b) water adds charge (c) dry days are noisy (d) wet hair is magnetic
11. 11.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is the one thing we change. (a) True (b) False
12. 12.🔍 Which is the odd one out? (a) dry hair (b) a thin water stream (c) a pebble (d) tiny paper bits
13. 13.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
14. 14.True or false: a heavy book jumps to a charged comb. (a) True (b) False
15. 15.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) a rubbed plastic comb (c) paper bits on a comb (d) plug points at home
16. 16.⚖️ 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
17. 17.True or false: a brick jumps to a charged comb. (a) False (b) True
18. 18.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
19. 19.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a plastic comb (c) vinegar (d) tiny paper bits
20. 20.⚖️ 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 keep it the same (c) we measure it
21. 21.⚡ Why does the rubbed comb pull the paper bits? (a) it is hot (b) it is sticky (c) it is a magnet (d) it has static charge
22. 22.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it sticks for a while (c) it falls straight down (d) it turns into water
23. 23.🔍 Which is the odd one out? (a) a heavy book (b) thermocol bits (c) a steel spoon (d) a pebble
24. 24.True or false: turmeric powder is not needed for the static comb. (a) True (b) False
25. 25.🔍 Which is the odd one out? (a) tiny paper bits (b) dry hair (c) a brick (d) thermocol bits
26. 26.True or false: a battery cell is not needed for the static comb. (a) False (b) True
27. 27.⚖️ 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 measure it (c) we change it
28. 28.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) nothing happens (b) the bits jump to it (c) they turn blue (d) they turn wet
29. 29.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
30. 30.🔍 Which is the odd one out? (a) tiny paper bits (b) a heavy book (c) a brick (d) a pebble
31. 31.True or false: a thin water stream jumps to a charged comb. (a) False (b) True
32. 32.True or false: a plastic comb is needed for the static comb. (a) True (b) False
33. 33.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
34. 34.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) distance to the paper (b) paper bits picked up (c) number of rubs
35. 35.🧺 Which of these is needed for the static comb? (a) tiny paper bits (b) a mirror (c) yeast (d) turmeric powder
36. 36.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we keep it the same (b) we change it (c) we measure it
37. 37.🔍 Which is the odd one out? (a) a thin water stream (b) a steel spoon (c) a heavy book (d) a pebble
38. 38.True or false: thermocol bits does not move to a charged comb. (a) True (b) False
39. 39.True or false: a thin water stream does not move to a charged comb. (a) False (b) True
40. 40.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed

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