Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 364 · 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.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) it glows in the dark (c) lots of fizzy bubbles (d) it turns to ice
2. 2.🔍 Which is the odd one out? (a) salt water (b) sugar water (c) plain water (d) soap solution
3. 3.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they become magnets (b) they react (c) they float apart (d) they freeze
4. 4.🫧 Which of these is an acid? (a) plain water (b) vinegar (c) salt water (d) soap solution
5. 5.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is kept the same. (a) True (b) False
6. 6.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the kind of balloon (b) size of the balloon (c) spoons of baking soda
7. 7.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is the one thing we change. (a) True (b) False
8. 8.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a balloon (c) a tray for spills (d) a comb
9. 9.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is what we measure. (a) True (b) False
10. 10.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a balloon (c) a comb (d) vinegar
11. 11.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) it turns to honey (c) very little fizzing (d) the balloon bursts
12. 12.🔍 Which is the odd one out? (a) baking soda water (b) orange juice (c) detergent water (d) soap solution
13. 13.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) needed (b) not needed
14. 14.🫧 Which of these is a base? (a) sugar water (b) detergent water (c) lemon juice (d) orange juice
15. 15.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
16. 16.True or false: tamarind water is neutral. (a) True (b) False
17. 17.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) rub it hard (c) add baking soda (d) rinse with clean water
18. 18.True or false: a tray for spills is not needed for the fizzy balloon. (a) True (b) False
19. 19.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a mirror (b) a balloon (c) a tray for spills (d) a funnel or spoon
20. 20.🫧 Which of these is a base? (a) plain water (b) curd (c) baking soda water (d) lemon juice
21. 21.🫧 Is baking soda water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
22. 22.🫧 Is tamarind water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
23. 23.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) an ingredient ran out (c) the balloon got cold (d) the gas froze
24. 24.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) baking soda (c) sugar (d) a magnet
25. 25.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we keep it the same (b) we measure it (c) we change it
26. 26.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is what we measure. (a) True (b) False
27. 27.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a tray for spills (c) a mirror (d) a balloon
28. 28.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the same bottle (b) the kind of balloon (c) size of the balloon (d) spoons of baking soda
29. 29.🧺 Do we need a battery cell for the fizzy balloon? (a) not needed (b) needed
30. 30.⚖️ 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
31. 31.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a balloon (c) a funnel or spoon (d) sugar
32. 32.🧺 Do we need a balloon for the fizzy balloon? (a) needed (b) not needed
33. 33.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is what we measure. (a) True (b) False
34. 34.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a balloon (c) a mirror (d) a seed
35. 35.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the amount of vinegar (b) spoons of baking soda (c) size of the balloon
36. 36.True or false: sugar is needed for the fizzy balloon. (a) False (b) True
37. 37.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we change it (b) we measure it (c) we keep it the same
38. 38.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we keep it the same (b) we change it (c) we measure it
39. 39.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) vinegar (c) a magnet (d) a tray for spills
40. 40.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the amount of vinegar (b) spoons of baking soda (c) the kind of balloon (d) the same bottle

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