Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 319 · 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.🛟 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
2. 2.🔍 Which is the odd one out? (a) a steel spoon (b) a heavy book (c) tiny paper bits (d) a pebble
3. 3.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a mirror (c) a plastic comb (d) tiny paper bits
4. 4.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) paper bits picked up (b) the paper bit size (c) the same comb (d) distance to the paper
5. 5.⚡ Why does the comb trick work best on a dry day? (a) dry days are noisy (b) water adds charge (c) damp air leaks charge (d) wet hair is magnetic
6. 6.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we measure it (b) we change it (c) we keep it the same
7. 7.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
8. 8.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
9. 9.True or false: tiny paper bits jumps to a charged comb. (a) True (b) False
10. 10.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
11. 11.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) puffed rice (c) a brick (d) a steel spoon
12. 12.True or false: puffed rice jumps to a charged comb. (a) False (b) True
13. 13.⚖️ 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) paper bits picked up (c) number of rubs (d) distance to the paper
14. 14.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a balloon (c) a plastic comb (d) a battery cell
15. 15.⚖️ 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 measure it (c) we keep it the same
16. 16.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is kept the same. (a) True (b) False
17. 17.🧺 Which of these is not needed for the static comb? (a) a balloon (b) a plastic comb (c) vinegar (d) dry hair
18. 18.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) under a tall tree (c) indoors (d) on a rooftop
19. 19.⚖️ 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) False (b) True
20. 20.⚡ 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
21. 21.🔮 Predict: you wet the comb before trying again. What happens? (a) it hardly works (b) it works better (c) it becomes a magnet (d) it lights up
22. 22.True or false: thermocol bits jumps to a charged comb. (a) True (b) False
23. 23.True or false: a steel spoon does not move to a charged comb. (a) True (b) False
24. 24.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it sticks for a while (b) it turns into water (c) it bursts at once (d) it falls straight down
25. 25.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) they turn blue (c) the bits jump to it (d) nothing happens
26. 26.⚡ Which of these jumps to a charged comb? (a) thermocol bits (b) a steel spoon (c) a brick (d) a pebble
27. 27.🧺 Which of these is needed for the static comb? (a) yeast (b) tiny paper bits (c) vinegar (d) a mirror
28. 28.True or false: dry hair does not move to a charged comb. (a) True (b) False
29. 29.True or false: a plastic comb is not needed for the static comb. (a) True (b) False
30. 30.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the stream bends (b) nothing at all (c) the water stops (d) the water freezes
31. 31.🔍 Which is the odd one out? (a) a heavy book (b) thermocol bits (c) a steel spoon (d) a pebble
32. 32.True or false: a mirror is not needed for the static comb. (a) True (b) False
33. 33.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) a plastic comb (d) yeast
34. 34.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we change it (b) we measure it (c) we keep it the same
35. 35.⚡ A rubbed comb is held near a heavy book. What happens? (a) does not move (b) jumps to the comb
36. 36.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
37. 37.True or false: dry hair is needed for the static comb. (a) False (b) True
38. 38.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
39. 39.⚡ Which of these jumps to a charged comb? (a) a brick (b) a heavy book (c) dry hair (d) a steel spoon
40. 40.True or false: yeast is not needed for the static comb. (a) True (b) False

Free science experiments lessons, practice and worksheets at talentjr.in/science-experiments-for-kids