Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 778 · 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 kept the same? (a) paper bits picked up (b) number of rubs (c) the paper bit size
2. 2.⚖️ 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) the same hair (c) number of rubs
3. 3.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it sticks for a while (c) it falls straight down (d) it turns into water
4. 4.⚡ Which big natural spark is caused by static electricity? (a) dew (b) lightning (c) the wind (d) a rainbow
5. 5.⚖️ 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
6. 6.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
7. 7.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
8. 8.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a mirror (b) dry hair (c) a plastic comb (d) tiny paper bits
9. 9.🧺 Which of these is needed for the static comb? (a) a battery cell (b) yeast (c) vinegar (d) dry hair
10. 10.🛟 Static from a comb is safe. Which electricity must children never play with? (a) plug points at home (b) a rubbed balloon (c) a rubbed plastic comb (d) paper bits on a comb
11. 11.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) tiny paper bits (c) a brick (d) dry hair
12. 12.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
13. 13.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
14. 14.True or false: a battery cell is needed for the static comb. (a) False (b) True
15. 15.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) a heavy book (c) tiny paper bits (d) puffed rice
16. 16.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) a magnet (c) a balloon (d) dry hair
17. 17.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the stream bends (b) the water freezes (c) the water stops (d) nothing at all
18. 18.🧺 Which of these is not needed for the static comb? (a) a balloon (b) a plastic comb (c) tiny paper bits (d) turmeric powder
19. 19.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it becomes a magnet (c) it hardly works (d) it lights up
20. 20.⚖️ 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
21. 21.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) the bits jump to it (b) nothing happens (c) they turn wet (d) they turn blue
22. 22.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) number of rubs (b) the same comb (c) distance to the paper (d) paper bits picked up
23. 23.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) vinegar (b) a balloon (c) dry hair (d) tiny paper bits
24. 24.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
25. 25.🧺 Which of these is needed for the static comb? (a) a magnet (b) a battery cell (c) yeast (d) tiny paper bits
26. 26.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
27. 27.True or false: puffed rice jumps to a charged comb. (a) False (b) True
28. 28.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
29. 29.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the same comb (b) paper bits picked up (c) number of rubs
30. 30.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is the one thing we change. (a) False (b) True
31. 31.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is kept the same. (a) True (b) False
32. 32.🧺 Which of these is needed for the static comb? (a) a magnet (b) a battery cell (c) a mirror (d) a plastic comb
33. 33.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
34. 34.⚖️ 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 paper bit size (c) number of rubs (d) the same comb
35. 35.True or false: a balloon is needed for the static comb. (a) False (b) True
36. 36.True or false: puffed rice does not move to a charged comb. (a) False (b) True
37. 37.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a battery cell (c) a balloon (d) dry hair
38. 38.🔍 Which is the odd one out? (a) puffed rice (b) a pebble (c) thermocol bits (d) tiny paper bits
39. 39.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
40. 40.⚡ Why does the comb trick work best on a dry day? (a) dry days are noisy (b) wet hair is magnetic (c) water adds charge (d) damp air leaks charge

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