Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 870 · 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.⚡ 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) nothing happens (d) they turn blue
2. 2.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the same comb (b) paper bits picked up (c) number of rubs
3. 3.🛟 Static from a comb is safe. Which electricity must children never play with? (a) plug points at home (b) a rubbed plastic comb (c) paper bits on a comb (d) a rubbed balloon
4. 4.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is kept the same. (a) True (b) False
5. 5.🧺 Which of these is needed for the static comb? (a) yeast (b) vinegar (c) a plastic comb (d) a magnet
6. 6.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) vinegar (c) a plastic comb (d) a balloon
7. 7.True or false: a balloon is not needed for the static comb. (a) True (b) False
8. 8.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a balloon (c) a plastic comb (d) yeast
9. 9.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a balloon (c) yeast (d) a plastic comb
10. 10.True or false: a magnet is not needed for the static comb. (a) False (b) True
11. 11.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) vinegar (d) tiny paper bits
12. 12.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a battery cell (c) a balloon (d) tiny paper bits
13. 13.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it turns into water (c) it bursts at once (d) it sticks for a while
14. 14.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) nothing at all (b) the water stops (c) the water freezes (d) the stream bends
15. 15.True or false: yeast is not needed for the static comb. (a) True (b) False
16. 16.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
17. 17.⚡ Which of these does not move to a charged comb? (a) a pebble (b) dry hair (c) tiny paper bits (d) thermocol bits
18. 18.⚖️ 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
19. 19.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
20. 20.True or false: a battery cell is needed for the static comb. (a) True (b) False
21. 21.⚡ Why does the comb trick work best on a dry day? (a) wet hair is magnetic (b) dry days are noisy (c) damp air leaks charge (d) water adds charge
22. 22.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
23. 23.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) the same comb (b) paper bits picked up (c) number of rubs (d) the same hair
24. 24.🔍 Which is the odd one out? (a) a steel spoon (b) thermocol bits (c) dry hair (d) puffed rice
25. 25.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) in an open field (c) indoors (d) under a tall tree
26. 26.🧺 Which of these is not needed for the static comb? (a) a balloon (b) tiny paper bits (c) a plastic comb (d) a magnet
27. 27.⚡ Which of these jumps to a charged comb? (a) a pebble (b) tiny paper bits (c) a brick (d) a heavy book
28. 28.True or false: a thin water stream jumps to a charged comb. (a) True (b) False
29. 29.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a mirror (c) tiny paper bits (d) a plastic comb
30. 30.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
31. 31.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
32. 32.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the same hair (b) paper bits picked up (c) number of rubs
33. 33.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
34. 34.🔮 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
35. 35.⚖️ 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 change it (c) we keep it the same
36. 36.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) magnetism (c) sunlight (d) static electricity
37. 37.⚖️ 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 measure it (c) we change it
38. 38.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
39. 39.🧺 Which of these is needed for the static comb? (a) a battery cell (b) dry hair (c) vinegar (d) turmeric powder
40. 40.🧺 Do we need yeast for the static comb? (a) needed (b) not needed

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