Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 316 · 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.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) nothing at all (c) the stream bends (d) the water freezes
2. 2.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a mirror (c) dry hair (d) tiny paper bits
3. 3.🔍 Which is the odd one out? (a) a steel spoon (b) a brick (c) puffed rice (d) a heavy book
4. 4.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
5. 5.True or false: dry hair is needed for the static comb. (a) True (b) False
6. 6.⚡ Why does the comb trick work best on a dry day? (a) damp air leaks charge (b) water adds charge (c) wet hair is magnetic (d) dry days are noisy
7. 7.⚖️ 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) distance to the paper (c) paper bits picked up
8. 8.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a magnet (b) a balloon (c) tiny paper bits (d) dry hair
9. 9.🔍 Which is the odd one out? (a) thermocol bits (b) a steel spoon (c) a heavy book (d) a pebble
10. 10.🧺 Which of these is needed for the static comb? (a) a plastic comb (b) a battery cell (c) a magnet (d) a mirror
11. 11.True or false: yeast is needed for the static comb. (a) True (b) False
12. 12.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) tiny paper bits (c) a brick (d) a steel spoon
13. 13.True or false: vinegar is not needed for the static comb. (a) False (b) True
14. 14.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) a rubbed balloon (c) plug points at home (d) paper bits on a comb
15. 15.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
16. 16.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
17. 17.⚖️ 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
18. 18.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) dry hair (c) a thin water stream (d) a brick
19. 19.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a battery cell (c) a balloon (d) a plastic comb
20. 20.True or false: tiny paper bits jumps to a charged comb. (a) False (b) True
21. 21.True or false: a thin water stream does not move to a charged comb. (a) True (b) False
22. 22.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
23. 23.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
24. 24.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) distance to the paper (b) the same comb (c) the same hair (d) number of rubs
25. 25.⚖️ 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
26. 26.True or false: a mirror is needed for the static comb. (a) True (b) False
27. 27.🔍 Which is the odd one out? (a) dry hair (b) a heavy book (c) a thin water stream (d) tiny paper bits
28. 28.⚖️ 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) False (b) True
29. 29.⚖️ 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) True (b) False
30. 30.⚡ Which big natural spark is caused by static electricity? (a) the wind (b) dew (c) lightning (d) a rainbow
31. 31.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
32. 32.🔮 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
33. 33.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a brick (c) puffed rice (d) a steel spoon
34. 34.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) vinegar (b) dry hair (c) a plastic comb (d) a balloon
35. 35.⚖️ 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) the same comb (c) paper bits picked up
36. 36.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the same hair (b) the same comb (c) the paper bit size (d) paper bits picked up
37. 37.True or false: a magnet is needed for the static comb. (a) False (b) True
38. 38.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is kept the same. (a) False (b) True
39. 39.⚡ Why does the rubbed comb pull the paper bits? (a) it is a magnet (b) it has static charge (c) it is hot (d) it is sticky
40. 40.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed

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