Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 250 · 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: distance to the paper is what we measure. (a) True (b) False
2. 2.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a battery cell (b) a balloon (c) tiny paper bits (d) a plastic comb
3. 3.🔍 Which is the odd one out? (a) dry hair (b) thermocol bits (c) a pebble (d) tiny paper bits
4. 4.True or false: a mirror is 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.⚡ 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
7. 7.🛟 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
8. 8.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a mirror (c) tiny paper bits (d) a balloon
9. 9.True or false: dry hair is not needed for the static comb. (a) True (b) False
10. 10.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a heavy book (c) a thin water stream (d) a brick
11. 11.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
12. 12.⚡ Which big natural spark is caused by static electricity? (a) dew (b) lightning (c) the wind (d) a rainbow
13. 13.🔮 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
14. 14.🔍 Which is the odd one out? (a) thermocol bits (b) a brick (c) a thin water stream (d) puffed rice
15. 15.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a pebble (c) a brick (d) thermocol bits
16. 16.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we measure it (b) we keep it the same (c) we change it
17. 17.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water freezes (b) nothing at all (c) the water stops (d) the stream bends
18. 18.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) tiny paper bits (c) thermocol bits (d) a pebble
19. 19.🧺 Which of these is not needed for the static comb? (a) a mirror (b) tiny paper bits (c) a balloon (d) a plastic comb
20. 20.True or false: a brick does not move to a charged comb. (a) False (b) True
21. 21.⚖️ 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
22. 22.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a plastic comb (c) a battery cell (d) a balloon
23. 23.⚖️ 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 change it (c) we keep it the same
24. 24.🧺 Which of these is not needed for the static comb? (a) dry hair (b) tiny paper bits (c) a plastic comb (d) yeast
25. 25.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) turmeric powder (b) a balloon (c) a plastic comb (d) tiny paper bits
26. 26.True or false: a battery cell is needed for the static comb. (a) True (b) False
27. 27.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
28. 28.True or false: a plastic comb is needed for the static comb. (a) False (b) True
29. 29.True or false: vinegar is not needed for the static comb. (a) False (b) True
30. 30.⚖️ 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
31. 31.True or false: thermocol bits does not move to a charged comb. (a) True (b) False
32. 32.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
33. 33.🧺 Which of these is needed for the static comb? (a) a mirror (b) tiny paper bits (c) vinegar (d) a magnet
34. 34.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
35. 35.🛟 Static from a comb is safe. Which electricity must children never play with? (a) plug points at home (b) a rubbed plastic comb (c) paper bits on a comb (d) a rubbed balloon
36. 36.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
37. 37.🔮 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
38. 38.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) distance to the paper (b) number of rubs (c) paper bits picked up
39. 39.⚡ Which of these jumps to a charged comb? (a) dry hair (b) a steel spoon (c) a heavy book (d) a brick
40. 40.🔍 Which is the odd one out? (a) dry hair (b) a heavy book (c) a steel spoon (d) a brick

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