Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 597 · 40 questions

What you do (Acid + base → gas): 1. Pour vinegar into the plastic bottle, standing on a tray. 2. Spoon two teaspoons of baking soda into the balloon. 3. Stretch the balloon over the bottle’s mouth, letting it hang to the side. 4. Lift the balloon so the soda drops in, and keep faces back.

1. 1.🔍 Which is the odd one out? (a) detergent water (b) baking soda water (c) plain water (d) soap solution
2. 2.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we measure it (b) we change it (c) we keep it the same
3. 3.True or false: a balloon is not needed for the fizzy balloon. (a) True (b) False
4. 4.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a balloon (c) a battery cell (d) a tray for spills
5. 5.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) spoons of baking soda (b) the amount of vinegar (c) size of the balloon
6. 6.🫧 What do you see when baking soda meets vinegar? (a) it glows in the dark (b) it turns to ice (c) nothing at all (d) lots of fizzy bubbles
7. 7.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we keep it the same (b) we measure it (c) we change it
8. 8.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
9. 9.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a balloon (c) a mirror (d) vinegar
10. 10.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) the balloon bursts (c) a huge eruption (d) very little fizzing
11. 11.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the kind of balloon (b) the amount of vinegar (c) spoons of baking soda (d) size of the balloon
12. 12.🫧 Which of these is an acid? (a) plain water (b) detergent water (c) vinegar (d) soap solution
13. 13.🛟 What should you do if vinegar splashes in your eye? (a) rinse with clean water (b) ignore it (c) add baking soda (d) rub it hard
14. 14.True or false: a balloon is needed for the fizzy balloon. (a) True (b) False
15. 15.📘 Is the fizzing a sign that a new substance is made? (a) yes, a new gas forms (b) it is only melting (c) it is only dissolving (d) no, nothing changes
16. 16.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a battery cell (c) an empty bottle (d) vinegar
17. 17.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) size of the balloon (b) the same bottle (c) spoons of baking soda (d) the kind of balloon
18. 18.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is kept the same. (a) False (b) True
19. 19.True or false: vinegar is a base. (a) False (b) True
20. 20.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) spoons of baking soda (b) the same bottle (c) size of the balloon
21. 21.🔍 Which is the odd one out? (a) soap solution (b) baking soda water (c) salt water (d) detergent water
22. 22.🧺 Which of these is not needed for the fizzy balloon? (a) sugar (b) a tray for spills (c) baking soda (d) vinegar
23. 23.True or false: sugar is needed for the fizzy balloon. (a) True (b) False
24. 24.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a mirror (c) sugar (d) baking soda
25. 25.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a funnel or spoon (c) sugar (d) vinegar
26. 26.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is the one thing we change. (a) True (b) False
27. 27.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is the one thing we change. (a) True (b) False
28. 28.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a funnel or spoon (c) baking soda (d) a magnet
29. 29.🎈 Why does the balloon blow up? (a) the bottle shrinks (b) vinegar is hot (c) outside air gets in (d) gas is made inside
30. 30.True or false: a battery cell is needed for the fizzy balloon. (a) False (b) True
31. 31.🔍 Which is the odd one out? (a) curd (b) lemon juice (c) baking soda water (d) tamarind water
32. 32.🫧 Which of these is a base? (a) soap solution (b) plain water (c) orange juice (d) lemon juice
33. 33.🔍 Which is the odd one out? (a) soap solution (b) lemon juice (c) vinegar (d) curd
34. 34.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) vinegar (c) a seed (d) a battery cell
35. 35.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we measure it (b) we change it (c) we keep it the same
36. 36.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
37. 37.True or false: vinegar is an acid. (a) False (b) True
38. 38.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) put it in your mouth (c) seal it in a glass jar (d) keep it away from eyes
39. 39.True or false: a funnel or spoon is needed for the fizzy balloon. (a) False (b) True
40. 40.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a seed (c) a tray for spills (d) a mirror

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