Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 417 · 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 brick jumps to a charged comb. (a) False (b) True
2. 2.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) paper bits picked up (b) number of rubs (c) distance to the paper (d) the same hair
3. 3.⚡ A rubbed comb is held near a heavy book. What happens? (a) does not move (b) jumps to the comb
4. 4.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we keep it the same (b) we change it (c) we measure it
5. 5.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) nothing at all (b) the water stops (c) the stream bends (d) the water freezes
6. 6.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
7. 7.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) number of rubs (b) paper bits picked up (c) the paper bit size
8. 8.⚖️ 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) distance to the paper
9. 9.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) tiny paper bits (c) a magnet (d) a balloon
10. 10.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) static electricity (c) sunlight (d) gravity
11. 11.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
12. 12.⚖️ 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
13. 13.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
14. 14.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
15. 15.🧺 Which of these is needed for the static comb? (a) a battery cell (b) a mirror (c) a magnet (d) a balloon
16. 16.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) distance to the paper (b) the same comb (c) the same hair (d) number of rubs
17. 17.🔍 Which is the odd one out? (a) a thin water stream (b) thermocol bits (c) a heavy book (d) dry hair
18. 18.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it becomes a magnet (c) it lights up (d) it hardly works
19. 19.⚡ Which of these does not move to a charged comb? (a) a brick (b) a thin water stream (c) thermocol bits (d) tiny paper bits
20. 20.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a balloon (c) tiny paper bits (d) a magnet
21. 21.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
22. 22.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
23. 23.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) a thin water stream (c) tiny paper bits (d) a pebble
24. 24.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is kept the same. (a) False (b) True
25. 25.True or false: thermocol bits does not move to a charged comb. (a) False (b) True
26. 26.True or false: yeast is needed for the static comb. (a) False (b) True
27. 27.🔮 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
28. 28.🧺 Which of these is not needed for the static comb? (a) a balloon (b) dry hair (c) a battery cell (d) a plastic comb
29. 29.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) a thin water stream (c) a heavy book (d) dry hair
30. 30.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
31. 31.True or false: a mirror is not needed for the static comb. (a) True (b) False
32. 32.🔍 Which is the odd one out? (a) puffed rice (b) a thin water stream (c) tiny paper bits (d) a brick
33. 33.True or false: puffed rice jumps to a charged comb. (a) False (b) True
34. 34.🧺 Which of these is not needed for the static comb? (a) vinegar (b) tiny paper bits (c) a plastic comb (d) a balloon
35. 35.⚖️ 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
36. 36.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) thermocol bits (c) a heavy book (d) a pebble
37. 37.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
38. 38.🛟 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
39. 39.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is what we measure. (a) False (b) True
40. 40.⚡ Which of these jumps to a charged comb? (a) a brick (b) a heavy book (c) dry hair (d) a steel spoon

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