Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 276 · 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.True or false: a thin water stream jumps to a charged comb. (a) True (b) False
2. 2.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
3. 3.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a plastic comb (c) vinegar (d) a magnet
4. 4.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
5. 5.True or false: a thin water stream does not move to a charged comb. (a) True (b) False
6. 6.⚖️ 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
7. 7.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is what we measure. (a) True (b) False
8. 8.True or false: a battery cell is not needed for the static comb. (a) True (b) False
9. 9.🔍 Which is the odd one out? (a) a pebble (b) a heavy book (c) a brick (d) dry hair
10. 10.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
11. 11.True or false: turmeric powder is not needed for the static comb. (a) True (b) False
12. 12.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) in an open field (c) on a rooftop (d) indoors
13. 13.🧺 Which of these is not needed for the static comb? (a) a magnet (b) a balloon (c) a plastic comb (d) dry hair
14. 14.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) a battery cell (d) a plastic comb
15. 15.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is what we measure. (a) True (b) False
16. 16.⚡ Why does the rubbed comb pull the paper bits? (a) it has static charge (b) it is a magnet (c) it is sticky (d) it is hot
17. 17.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) tiny paper bits (c) a plastic comb (d) a magnet
18. 18.⚡ 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
19. 19.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
20. 20.🔍 Which is the odd one out? (a) a steel spoon (b) a heavy book (c) a pebble (d) puffed rice
21. 21.🧺 Which of these is needed for the static comb? (a) yeast (b) turmeric powder (c) tiny paper bits (d) a mirror
22. 22.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the stream bends (b) nothing at all (c) the water freezes (d) the water stops
23. 23.⚖️ 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) True (b) False
24. 24.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
25. 25.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) gravity (c) static electricity (d) sunlight
26. 26.🔮 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 sticks for a while (d) it bursts at once
27. 27.⚡ A rubbed comb is held near a heavy book. 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: the paper bit size is what we measure. (a) True (b) False
29. 29.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
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 measure it (b) we keep it the same (c) we change it
31. 31.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) they turn blue (c) the bits jump to it (d) nothing happens
32. 32.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
33. 33.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) a brick (c) thermocol bits (d) a thin water stream
34. 34.True or false: puffed rice does not move to a charged comb. (a) False (b) True
35. 35.⚖️ 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 keep it the same (c) we change it
36. 36.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
37. 37.⚖️ 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
38. 38.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we change it (b) we keep it the same (c) we measure it
39. 39.⚡ Which big natural spark is caused by static electricity? (a) dew (b) lightning (c) the wind (d) a rainbow
40. 40.🔮 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

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