Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 692 · 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.True or false: a plastic comb is needed for the static comb. (a) False (b) True
2. 2.⚖️ 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 measure it (c) we keep it the same
3. 3.⚖️ 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 keep it the same (c) we change it
4. 4.🔍 Which is the odd one out? (a) a brick (b) a steel spoon (c) a pebble (d) tiny paper bits
5. 5.🔮 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
6. 6.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it turns into water (b) it sticks for a while (c) it falls straight down (d) it bursts at once
7. 7.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
8. 8.True or false: a brick does not move to a charged comb. (a) True (b) False
9. 9.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) nothing at all (b) the stream bends (c) the water stops (d) the water freezes
10. 10.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) the same comb (b) number of rubs (c) paper bits picked up (d) distance to the paper
11. 11.⚖️ 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 measure it (c) we change it
12. 12.🔍 Which is the odd one out? (a) puffed rice (b) a pebble (c) a steel spoon (d) a heavy book
13. 13.True or false: a magnet is needed for the static comb. (a) False (b) True
14. 14.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a pebble (c) tiny paper bits (d) a brick
15. 15.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) dry hair (c) a brick (d) a heavy book
16. 16.True or false: a pebble jumps to a charged comb. (a) False (b) True
17. 17.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is kept the same. (a) False (b) True
18. 18.⚡ Why does the comb trick work best on a dry day? (a) dry days are noisy (b) damp air leaks charge (c) water adds charge (d) wet hair is magnetic
19. 19.⚖️ 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) False (b) True
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 change it (b) we keep it the same (c) we measure it
21. 21.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
22. 22.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
23. 23.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a balloon (c) turmeric powder (d) tiny paper bits
24. 24.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn blue (b) the bits jump to it (c) nothing happens (d) they turn wet
25. 25.⚖️ 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
26. 26.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
27. 27.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) dry hair (c) vinegar (d) a balloon
28. 28.⚡ Which of these does not move to a charged comb? (a) dry hair (b) thermocol bits (c) a steel spoon (d) tiny paper bits
29. 29.True or false: tiny paper bits does not move to a charged comb. (a) False (b) True
30. 30.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
31. 31.True or false: a thin water stream jumps to a charged comb. (a) False (b) True
32. 32.⚖️ 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
33. 33.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
34. 34.True or false: puffed rice does not move to a charged comb. (a) True (b) False
35. 35.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) plug points at home (c) paper bits on a comb (d) a rubbed plastic comb
36. 36.🔍 Which is the odd one out? (a) a pebble (b) a steel spoon (c) a brick (d) thermocol bits
37. 37.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
38. 38.⚖️ 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
39. 39.True or false: tiny paper bits is needed for the static comb. (a) True (b) False
40. 40.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the same comb (b) the same hair (c) paper bits picked up (d) number of rubs

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