Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 234 · 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 the one thing we change? (a) paper bits picked up (b) the same comb (c) the same hair (d) number of rubs
2. 2.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a balloon (c) dry hair (d) vinegar
3. 3.🔍 Which is the odd one out? (a) a pebble (b) a heavy book (c) tiny paper bits (d) a brick
4. 4.🔮 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
5. 5.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) indoors (c) under a tall tree (d) on a rooftop
6. 6.🧺 Which of these is needed for the static comb? (a) dry hair (b) a mirror (c) turmeric powder (d) a magnet
7. 7.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) a balloon (c) a magnet (d) dry hair
8. 8.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it lights up (c) it becomes a magnet (d) it hardly works
9. 9.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is kept the same. (a) True (b) False
10. 10.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
11. 11.True or false: a battery cell is needed for the static comb. (a) True (b) False
12. 12.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) gravity (c) sunlight (d) static electricity
13. 13.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
14. 14.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
15. 15.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) dry hair (d) a magnet
16. 16.🔍 Which is the odd one out? (a) a heavy book (b) puffed rice (c) a pebble (d) a brick
17. 17.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) dry hair (c) a heavy book (d) thermocol bits
18. 18.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it sticks for a while (b) it bursts at once (c) it falls straight down (d) it turns into water
19. 19.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we keep it the same (b) we measure it (c) we change it
20. 20.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a mirror (c) a plastic comb (d) tiny paper bits
21. 21.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
22. 22.True or false: vinegar is not needed for the static comb. (a) True (b) False
23. 23.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) nothing happens (b) they turn wet (c) the bits jump to it (d) they turn blue
24. 24.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is the one thing we change. (a) True (b) False
25. 25.🧺 Which of these is needed for the static comb? (a) a balloon (b) yeast (c) vinegar (d) a magnet
26. 26.True or false: a steel spoon jumps to a charged comb. (a) False (b) True
27. 27.⚖️ 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
28. 28.True or false: dry hair jumps to a charged comb. (a) True (b) False
29. 29.⚖️ 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) number of rubs (c) the same comb (d) the same hair
30. 30.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
31. 31.True or false: tiny paper bits jumps to a charged comb. (a) True (b) False
32. 32.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a battery cell (c) tiny paper bits (d) a balloon
33. 33.⚖️ 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) paper bits picked up (c) the paper bit size
34. 34.⚖️ 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 keep it the same (c) we change it
35. 35.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) tiny paper bits (c) thermocol bits (d) a steel spoon
36. 36.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) thermocol bits (c) a pebble (d) a thin water stream
37. 37.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
38. 38.⚖️ 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 hair (c) paper bits picked up
39. 39.🔍 Which is the odd one out? (a) a steel spoon (b) a pebble (c) dry hair (d) a heavy book
40. 40.🔍 Which is the odd one out? (a) dry hair (b) puffed rice (c) a thin water stream (d) a pebble

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