Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 863 · 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.🧺 Which of these is needed for the static comb? (a) tiny paper bits (b) yeast (c) vinegar (d) a magnet
2. 2.🔍 Which is the odd one out? (a) a thin water stream (b) a pebble (c) dry hair (d) tiny paper bits
3. 3.🛟 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
4. 4.🔍 Which is the odd one out? (a) a steel spoon (b) a heavy book (c) a pebble (d) dry hair
5. 5.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
6. 6.⚖️ 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
7. 7.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
8. 8.True or false: yeast is needed for the static comb. (a) False (b) True
9. 9.🔍 Which is the odd one out? (a) a steel spoon (b) a heavy book (c) a pebble (d) puffed rice
10. 10.True or false: tiny paper bits jumps to a charged comb. (a) True (b) False
11. 11.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) distance to the paper (b) the same hair (c) number of rubs (d) the paper bit size
12. 12.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the same hair (b) paper bits picked up (c) the paper bit size (d) the same comb
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.True or false: puffed rice jumps to a charged comb. (a) True (b) False
15. 15.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it becomes a magnet (c) it hardly works (d) it works better
16. 16.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) puffed rice (c) a brick (d) a pebble
17. 17.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
18. 18.True or false: vinegar is not needed for the static comb. (a) True (b) False
19. 19.⚖️ 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 measure it (c) we change it
20. 20.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
21. 21.True or false: a brick jumps to a charged comb. (a) True (b) False
22. 22.⚡ A rubbed comb is held near a brick. 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 kept the same? (a) number of rubs (b) the same comb (c) paper bits picked up
24. 24.True or false: turmeric powder is needed for the static comb. (a) True (b) False
25. 25.🛟 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
26. 26.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a battery cell (b) dry hair (c) a balloon (d) tiny paper bits
27. 27.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
28. 28.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we keep it the same (b) we change it (c) we measure it
29. 29.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) vinegar (b) dry hair (c) a balloon (d) tiny paper bits
30. 30.🧺 Which of these is needed for the static comb? (a) a plastic comb (b) a mirror (c) a magnet (d) turmeric powder
31. 31.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a steel spoon (c) tiny paper bits (d) a pebble
32. 32.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
33. 33.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is what we measure. (a) False (b) True
34. 34.⚡ Why does the comb trick work best on a dry day? (a) water adds charge (b) wet hair is magnetic (c) damp air leaks charge (d) dry days are noisy
35. 35.True or false: a thin water stream jumps to a charged comb. (a) False (b) True
36. 36.⚖️ 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
37. 37.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) dry hair (c) turmeric powder (d) a plastic comb
38. 38.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) static electricity (c) magnetism (d) gravity
39. 39.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) puffed rice (c) dry hair (d) a brick
40. 40.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a plastic comb (c) dry hair (d) a magnet

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