Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 790 · 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.⚡ Which big natural spark is caused by static electricity? (a) lightning (b) dew (c) the wind (d) a rainbow
2. 2.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) a rubbed plastic comb (c) paper bits on a comb (d) plug points at home
3. 3.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
4. 4.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is kept the same. (a) False (b) True
5. 5.True or false: dry hair does not move to a charged comb. (a) False (b) True
6. 6.True or false: a magnet is needed for the static comb. (a) True (b) False
7. 7.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a steel spoon (c) tiny paper bits (d) a heavy book
8. 8.🔍 Which is the odd one out? (a) a pebble (b) a steel spoon (c) a heavy book (d) a thin water stream
9. 9.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
10. 10.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it hardly works (c) it becomes a magnet (d) it works better
11. 11.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) nothing at all (c) the water freezes (d) the stream bends
12. 12.⚖️ 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
13. 13.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) on a rooftop (c) in an open field (d) under a tall tree
14. 14.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) the bits jump to it (b) they turn wet (c) they turn blue (d) nothing happens
15. 15.🔍 Which is the odd one out? (a) a heavy book (b) tiny paper bits (c) a thin water stream (d) thermocol bits
16. 16.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) a balloon (d) a mirror
17. 17.🧺 Which of these is needed for the static comb? (a) tiny paper bits (b) a magnet (c) a mirror (d) a battery cell
18. 18.⚖️ 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 keep it the same (c) we change it
19. 19.⚡ Why does the comb trick work best on a dry day? (a) wet hair is magnetic (b) water adds charge (c) dry days are noisy (d) damp air leaks charge
20. 20.True or false: a plastic comb is not needed for the static comb. (a) True (b) False
21. 21.🔍 Which is the odd one out? (a) a heavy book (b) a pebble (c) a steel spoon (d) puffed rice
22. 22.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it turns into water (c) it bursts at once (d) it sticks for a while
23. 23.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
24. 24.🧺 Which of these is not needed for the static comb? (a) a balloon (b) tiny paper bits (c) dry hair (d) a mirror
25. 25.⚖️ 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 measure it (c) we keep it the same
26. 26.⚖️ 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) the same hair (c) distance to the paper (d) paper bits picked up
27. 27.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a balloon (c) a magnet (d) a plastic comb
28. 28.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a battery cell (b) a balloon (c) dry hair (d) tiny paper bits
29. 29.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is the one thing we change. (a) False (b) True
30. 30.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
31. 31.True or false: tiny paper bits does not move to a charged comb. (a) True (b) False
32. 32.⚡ A rubbed comb is held near a heavy book. What happens? (a) does not move (b) jumps to the comb
33. 33.True or false: turmeric powder is not needed for the static comb. (a) False (b) True
34. 34.True or false: yeast is needed for the static comb. (a) False (b) True
35. 35.True or false: a balloon is needed for the static comb. (a) True (b) False
36. 36.True or false: a plastic comb is needed for the static comb. (a) False (b) True
37. 37.⚡ Why does the rubbed comb pull the paper bits? (a) it is hot (b) it has static charge (c) it is a magnet (d) it is sticky
38. 38.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
39. 39.True or false: tiny paper bits is needed for the static comb. (a) False (b) True
40. 40.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we keep it the same (b) we measure it (c) we change it

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