Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 295 · 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.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
2. 2.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) on a rooftop (c) indoors (d) under a tall tree
3. 3.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
4. 4.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) the water freezes (c) the stream bends (d) nothing at all
5. 5.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn blue (b) nothing happens (c) the bits jump to it (d) they turn wet
6. 6.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) a balloon (d) turmeric powder
7. 7.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
8. 8.True or false: a steel spoon does not move to a charged comb. (a) True (b) False
9. 9.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we change it (b) we keep it the same (c) we measure it
10. 10.True or false: dry hair does not move to a charged comb. (a) True (b) False
11. 11.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) paper bits on a comb (c) a rubbed balloon (d) plug points at home
12. 12.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a plastic comb (c) dry hair (d) vinegar
13. 13.⚡ Which of these jumps to a charged comb? (a) dry hair (b) a brick (c) a pebble (d) a heavy book
14. 14.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
15. 15.⚖️ 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 keep it the same (c) we change it
16. 16.⚖️ 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) paper bits picked up (c) number of rubs (d) the same hair
17. 17.True or false: puffed rice jumps to a charged comb. (a) False (b) True
18. 18.⚖️ 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
19. 19.⚡ Why does the comb trick work best on a dry day? (a) water adds charge (b) dry days are noisy (c) damp air leaks charge (d) wet hair is magnetic
20. 20.True or false: a mirror is not needed for the static comb. (a) True (b) False
21. 21.True or false: a mirror is needed for the static comb. (a) True (b) False
22. 22.🧺 Which of these is needed for the static comb? (a) yeast (b) a plastic comb (c) vinegar (d) a mirror
23. 23.True or false: turmeric powder is needed for the static comb. (a) True (b) False
24. 24.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) a plastic comb (d) a mirror
25. 25.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it hardly works (c) it works better (d) it becomes a magnet
26. 26.True or false: a thin water stream jumps to a charged comb. (a) True (b) False
27. 27.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
28. 28.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is the one thing we change. (a) False (b) True
29. 29.⚖️ 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 hair (b) number of rubs (c) distance to the paper (d) paper bits picked up
30. 30.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we change it (b) we keep it the same (c) we measure it
31. 31.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we measure it (b) we change it (c) we keep it the same
32. 32.⚡ Which big natural spark is caused by static electricity? (a) dew (b) the wind (c) a rainbow (d) lightning
33. 33.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it falls straight down (c) it sticks for a while (d) it turns into water
34. 34.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
35. 35.⚖️ 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) True (b) False
36. 36.🔍 Which is the odd one out? (a) a heavy book (b) a steel spoon (c) tiny paper bits (d) a pebble
37. 37.True or false: a balloon is needed for the static comb. (a) False (b) True
38. 38.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) a balloon (c) a magnet (d) dry hair
39. 39.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
40. 40.⚖️ 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

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