Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 858 · 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.⚖️ 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 change it (c) we measure it
2. 2.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a brick (c) a thin water stream (d) a heavy book
3. 3.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) dry hair (c) yeast (d) a balloon
4. 4.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a pebble (c) a steel spoon (d) puffed rice
5. 5.True or false: dry hair is needed for the static comb. (a) False (b) True
6. 6.True or false: turmeric powder is needed for the static comb. (a) False (b) True
7. 7.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
8. 8.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) a balloon (d) a magnet
9. 9.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) dry hair (c) tiny paper bits (d) vinegar
10. 10.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) indoors (c) on a rooftop (d) under a tall tree
11. 11.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) plug points at home (c) paper bits on a comb (d) a rubbed balloon
12. 12.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
13. 13.True or false: a magnet is not needed for the static comb. (a) False (b) True
14. 14.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) they turn blue (c) nothing happens (d) the bits jump to it
15. 15.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
16. 16.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is what we measure. (a) True (b) False
17. 17.🔍 Which is the odd one out? (a) a pebble (b) puffed rice (c) a brick (d) a heavy book
18. 18.🧺 Which of these is needed for the static comb? (a) dry hair (b) a mirror (c) vinegar (d) a magnet
19. 19.🔍 Which is the odd one out? (a) a steel spoon (b) puffed rice (c) tiny paper bits (d) a thin water stream
20. 20.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
21. 21.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a mirror (c) a balloon (d) a plastic comb
22. 22.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is the one thing we change. (a) False (b) True
23. 23.⚡ Why does the comb trick work best on a dry day? (a) dry days are noisy (b) wet hair is magnetic (c) damp air leaks charge (d) water adds charge
24. 24.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
25. 25.⚖️ 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
26. 26.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water freezes (b) the water stops (c) nothing at all (d) the stream bends
27. 27.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we change it (b) we measure it (c) we keep it the same
28. 28.⚖️ 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) number of rubs (c) distance to the paper
29. 29.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we change it (b) we keep it the same (c) we measure it
30. 30.⚖️ 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 keep it the same (c) we measure it
31. 31.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it bursts at once (c) it turns into water (d) it sticks for a while
32. 32.🧺 Which of these is not needed for the static comb? (a) a battery cell (b) dry hair (c) tiny paper bits (d) a plastic comb
33. 33.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it works better (c) it hardly works (d) it becomes a magnet
34. 34.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a balloon (c) a plastic comb (d) yeast
35. 35.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
36. 36.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
37. 37.True or false: dry hair is not needed for the static comb. (a) True (b) False
38. 38.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we measure it (b) we change it (c) we keep it the same
39. 39.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a balloon (c) a plastic comb (d) a magnet
40. 40.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed

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