Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 73 · 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.True or false: a thin water stream jumps to a charged comb. (a) False (b) True
2. 2.🧺 Do we need vinegar for the static comb? (a) not needed (b) needed
3. 3.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) the paper bit size (b) number of rubs (c) paper bits picked up (d) the same comb
4. 4.🧺 Which of these is not needed for the static comb? (a) vinegar (b) a plastic comb (c) a balloon (d) tiny paper bits
5. 5.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it sticks for a while (b) it bursts at once (c) it turns into water (d) it falls straight down
6. 6.True or false: a steel spoon jumps to a charged comb. (a) True (b) False
7. 7.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
8. 8.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) on a rooftop (c) indoors (d) under a tall tree
9. 9.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
10. 10.⚖️ 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
11. 11.🔍 Which is the odd one out? (a) a pebble (b) a heavy book (c) dry hair (d) a steel spoon
12. 12.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
13. 13.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) a rubbed plastic comb (c) plug points at home (d) paper bits on a comb
14. 14.🧺 Which of these is not needed for the static comb? (a) a magnet (b) tiny paper bits (c) dry hair (d) a plastic comb
15. 15.True or false: a magnet is needed for the static comb. (a) True (b) False
16. 16.🔍 Which is the odd one out? (a) a brick (b) a thin water stream (c) a heavy book (d) a pebble
17. 17.⚡ Why does the rubbed comb pull the paper bits? (a) it is hot (b) it is sticky (c) it has static charge (d) it is a magnet
18. 18.True or false: a pebble jumps to a charged comb. (a) False (b) True
19. 19.🔮 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 water freezes (d) the stream bends
20. 20.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
21. 21.True or false: a mirror is not needed for the static comb. (a) True (b) False
22. 22.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
23. 23.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
24. 24.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we keep it the same (b) we change it (c) we measure it
25. 25.True or false: tiny paper bits jumps to a charged comb. (a) False (b) True
26. 26.🔍 Which is the odd one out? (a) a pebble (b) a heavy book (c) tiny paper bits (d) a steel spoon
27. 27.⚖️ 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) the same comb (c) number of rubs
28. 28.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
29. 29.⚖️ 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
30. 30.⚖️ 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
31. 31.⚡ Which of these jumps to a charged comb? (a) a brick (b) a steel spoon (c) a pebble (d) thermocol bits
32. 32.⚖️ 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) False (b) True
33. 33.🔍 Which is the odd one out? (a) puffed rice (b) tiny paper bits (c) a pebble (d) a thin water stream
34. 34.True or false: tiny paper bits is needed for the static comb. (a) True (b) False
35. 35.True or false: a heavy book does not move to a charged comb. (a) False (b) True
36. 36.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we measure it (b) we keep it the same (c) we change it
37. 37.🧺 Which of these is not needed for the static comb? (a) a battery cell (b) a plastic comb (c) a balloon (d) tiny paper bits
38. 38.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it lights up (c) it hardly works (d) it becomes a magnet
39. 39.⚖️ 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
40. 40.🔍 Which is the odd one out? (a) a steel spoon (b) a thin water stream (c) tiny paper bits (d) puffed rice

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