Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 696 · 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.⚡ 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
2. 2.⚖️ 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
3. 3.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a brick (c) puffed rice (d) a heavy book
4. 4.True or false: a mirror is not needed for the static comb. (a) False (b) True
5. 5.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
6. 6.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
7. 7.🔍 Which is the odd one out? (a) dry hair (b) tiny paper bits (c) a brick (d) puffed rice
8. 8.⚖️ 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 change it (c) we keep it the same
9. 9.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is kept the same. (a) False (b) True
10. 10.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
11. 11.🧺 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) yeast
12. 12.True or false: a heavy book jumps to a charged comb. (a) False (b) True
13. 13.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
14. 14.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) a rubbed plastic comb (c) a rubbed balloon (d) plug points at home
15. 15.⚡ Which of these does not move to a charged comb? (a) a brick (b) dry hair (c) thermocol bits (d) a thin water stream
16. 16.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) vinegar (d) a plastic comb
17. 17.True or false: a thin water stream does not move to a charged comb. (a) True (b) False
18. 18.⚡ Which of these jumps to a charged comb? (a) thermocol bits (b) a brick (c) a pebble (d) a heavy book
19. 19.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it bursts at once (c) it turns into water (d) it sticks for a while
20. 20.🧺 Which of these is needed for the static comb? (a) a battery cell (b) vinegar (c) a mirror (d) a plastic comb
21. 21.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
22. 22.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
23. 23.🔍 Which is the odd one out? (a) a steel spoon (b) thermocol bits (c) tiny paper bits (d) dry hair
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) False (b) True
25. 25.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
26. 26.🔍 Which is the odd one out? (a) tiny paper bits (b) a thin water stream (c) a pebble (d) thermocol bits
27. 27.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) under a tall tree (c) in an open field (d) indoors
28. 28.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is the one thing we change. (a) True (b) False
29. 29.🔍 Which is the odd one out? (a) tiny paper bits (b) a heavy book (c) a steel spoon (d) a pebble
30. 30.🧺 Which of these is needed for the static comb? (a) dry hair (b) vinegar (c) a mirror (d) turmeric powder
31. 31.⚖️ 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
32. 32.🔍 Which is the odd one out? (a) puffed rice (b) tiny paper bits (c) thermocol bits (d) a heavy book
33. 33.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) dew (c) the wind (d) lightning
34. 34.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
35. 35.True or false: dry hair jumps to a charged comb. (a) True (b) False
36. 36.🔮 Predict: you wet the comb before trying again. What happens? (a) it hardly works (b) it becomes a magnet (c) it lights up (d) it works better
37. 37.🧺 Which of these is not needed for the static comb? (a) a balloon (b) a magnet (c) a plastic comb (d) tiny paper bits
38. 38.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) turmeric powder (b) a plastic comb (c) dry hair (d) a balloon
39. 39.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn blue (b) they turn wet (c) the bits jump to it (d) nothing happens
40. 40.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed

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