Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 535 · 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? Which of these is what we measure? (a) distance to the paper (b) paper bits picked up (c) the paper bit size (d) number of rubs
2. 2.True or false: a pebble does not move to a charged comb. (a) False (b) True
3. 3.⚖️ 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
4. 4.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the paper bit size (b) number of rubs (c) paper bits picked up
5. 5.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we change it (b) we keep it the same (c) we measure it
6. 6.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) on a rooftop (c) under a tall tree (d) in an open field
7. 7.⚡ Why does the comb trick work best on a dry day? (a) wet hair is magnetic (b) damp air leaks charge (c) dry days are noisy (d) water adds charge
8. 8.🧺 Which of these is needed for the static comb? (a) yeast (b) a mirror (c) a battery cell (d) dry hair
9. 9.True or false: dry hair is needed for the static comb. (a) False (b) True
10. 10.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
11. 11.⚡ Which of these does not move to a charged comb? (a) dry hair (b) a thin water stream (c) a heavy book (d) puffed rice
12. 12.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a plastic comb (c) vinegar (d) a balloon
13. 13.True or false: vinegar is not needed for the static comb. (a) False (b) True
14. 14.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) dry hair (c) a mirror (d) a plastic comb
15. 15.⚡ A rubbed comb is held near a heavy book. What happens? (a) does not move (b) jumps to the comb
16. 16.🛟 Static from a comb is safe. Which electricity must children never play with? (a) plug points at home (b) a rubbed plastic comb (c) a rubbed balloon (d) paper bits on a comb
17. 17.🔍 Which is the odd one out? (a) tiny paper bits (b) a pebble (c) a brick (d) a steel spoon
18. 18.⚖️ 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
19. 19.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a plastic comb (c) a battery cell (d) vinegar
20. 20.🧺 Which of these is needed for the static comb? (a) vinegar (b) turmeric powder (c) a magnet (d) a balloon
21. 21.True or false: puffed rice jumps to a charged comb. (a) False (b) True
22. 22.🧺 Do we need vinegar for the static comb? (a) not needed (b) needed
23. 23.⚖️ 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) the same hair
24. 24.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) gravity (c) sunlight (d) static electricity
25. 25.⚡ Why does the rubbed comb pull the paper bits? (a) it is a magnet (b) it is sticky (c) it has static charge (d) it is hot
26. 26.True or false: a balloon is needed for the static comb. (a) False (b) True
27. 27.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) a balloon (d) a battery cell
28. 28.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it turns into water (b) it falls straight down (c) it bursts at once (d) it sticks for a while
29. 29.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we measure it (b) we change it (c) we keep it the same
30. 30.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
31. 31.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
32. 32.🔍 Which is the odd one out? (a) a steel spoon (b) a heavy book (c) puffed rice (d) a pebble
33. 33.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
34. 34.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
35. 35.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
36. 36.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) yeast (b) dry hair (c) a plastic comb (d) tiny paper bits
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 change it (b) we measure it (c) we keep it the same
38. 38.True or false: yeast is needed for the static comb. (a) False (b) True
39. 39.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a plastic comb (c) a balloon (d) a mirror
40. 40.True or false: a balloon 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