Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 95 · 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? True or false: the same comb is kept the same. (a) True (b) False
2. 2.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
3. 3.True or false: a battery cell is needed for the static comb. (a) False (b) True
4. 4.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) plug points at home (c) a rubbed plastic comb (d) a rubbed balloon
5. 5.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it hardly works (c) it lights up (d) it becomes a magnet
6. 6.⚡ Which of these does not move to a charged comb? (a) a pebble (b) tiny paper bits (c) puffed rice (d) a thin water stream
7. 7.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) vinegar (b) a plastic comb (c) tiny paper bits (d) a balloon
8. 8.⚡ Why does the comb trick work best on a dry day? (a) wet hair is magnetic (b) water adds charge (c) dry days are noisy (d) damp air leaks charge
9. 9.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
10. 10.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it sticks for a while (b) it turns into water (c) it falls straight down (d) it bursts at once
11. 11.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the paper bit size (b) number of rubs (c) paper bits picked up (d) distance to the paper
12. 12.⚖️ 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
13. 13.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a battery cell (c) a plastic comb (d) a balloon
14. 14.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
15. 15.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the stream bends (b) the water stops (c) the water freezes (d) nothing at all
16. 16.🧺 Which of these is needed for the static comb? (a) vinegar (b) a mirror (c) a battery cell (d) dry hair
17. 17.True or false: a heavy book jumps to a charged comb. (a) False (b) True
18. 18.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) on a rooftop (c) in an open field (d) indoors
19. 19.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
20. 20.⚖️ 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
21. 21.🔍 Which is the odd one out? (a) dry hair (b) a steel spoon (c) tiny paper bits (d) puffed rice
22. 22.⚡ Which of these does not move to a charged comb? (a) a brick (b) puffed rice (c) thermocol bits (d) tiny paper bits
23. 23.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
24. 24.⚖️ 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
25. 25.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
26. 26.True or false: dry hair is needed for the static comb. (a) False (b) True
27. 27.⚖️ 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
28. 28.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
29. 29.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) magnetism (c) gravity (d) static electricity
30. 30.True or false: a thin water stream does not move to a charged comb. (a) False (b) True
31. 31.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
32. 32.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
33. 33.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn blue (b) nothing happens (c) they turn wet (d) the bits jump to it
34. 34.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
35. 35.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we keep it the same (b) we change it (c) we measure it
36. 36.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is kept the same. (a) False (b) True
37. 37.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) thermocol bits (c) a heavy book (d) a pebble
38. 38.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a steel spoon (c) tiny paper bits (d) a brick
39. 39.⚖️ 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 change it (c) we measure it
40. 40.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move

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