Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 422 · 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.True or false: detergent water is an acid. (a) True (b) False
2. 2.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a tray for spills (c) a seed (d) a comb
3. 3.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) a tray for spills (c) a comb (d) a balloon
4. 4.🔍 Which is the odd one out? (a) tamarind water (b) vinegar (c) curd (d) salt water
5. 5.🧺 Do we need a balloon for the fizzy balloon? (a) needed (b) not needed
6. 6.🫧 Is vinegar an acid, a base or neutral? (a) a base (b) an acid (c) neutral
7. 7.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it turns blue (b) it grows bigger (c) it shrinks (d) there is no change
8. 8.🫧 Is detergent water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
9. 9.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) an empty bottle (c) a funnel or spoon (d) a seed
10. 10.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) sugar (b) a balloon (c) an empty bottle (d) vinegar
11. 11.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we measure it (b) we change it (c) we keep it the same
12. 12.🔮 The fizzing stops after a while. Why? (a) the gas froze (b) an ingredient ran out (c) the bottle got tired (d) the balloon got cold
13. 13.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is what we measure. (a) False (b) True
14. 14.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) hydrogen (b) helium (c) carbon dioxide (d) oxygen
15. 15.🫧 Is baking soda water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
16. 16.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
17. 17.🫧 Which of these is a base? (a) plain water (b) baking soda water (c) curd (d) orange juice
18. 18.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) shake it near your face (c) seal it in a glass jar (d) keep it away from eyes
19. 19.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is the one thing we change. (a) False (b) True
20. 20.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) True (b) False
21. 21.🫧 Which of these is an acid? (a) baking soda water (b) orange juice (c) salt water (d) soap solution
22. 22.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a battery cell (b) baking soda (c) vinegar (d) a tray for spills
23. 23.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) sugar (c) a funnel or spoon (d) a tray for spills
24. 24.⚖️ 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 kind of balloon (c) size of the balloon
25. 25.🧺 Which of these is needed for the fizzy balloon? (a) an empty bottle (b) a seed (c) sugar (d) a magnet
26. 26.🫧 Is tamarind water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
27. 27.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a tray for spills (c) an empty bottle (d) a comb
28. 28.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) vinegar (c) a magnet (d) a comb
29. 29.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) spoons of baking soda (b) size of the balloon (c) the kind of balloon (d) the amount of vinegar
30. 30.📘 Is the fizzing a sign that a new substance is made? (a) no, nothing changes (b) it is only melting (c) it is only dissolving (d) yes, a new gas forms
31. 31.🧺 Do we need a comb for the fizzy balloon? (a) not needed (b) needed
32. 32.True or false: sugar is not needed for the fizzy balloon. (a) False (b) True
33. 33.⚖️ 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
34. 34.🫧 Which of these is neutral? (a) tamarind water (b) plain water (c) curd (d) baking soda water
35. 35.🫧 Which of these is neutral? (a) soap solution (b) detergent water (c) sugar water (d) vinegar
36. 36.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we keep it the same (b) we change it (c) we measure it
37. 37.🔍 Which is the odd one out? (a) soap solution (b) detergent water (c) plain water (d) baking soda water
38. 38.⚖️ 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 keep it the same (c) we change it
39. 39.True or false: sugar water is a base. (a) False (b) True
40. 40.🎈 Why does the balloon blow up? (a) vinegar is hot (b) the bottle shrinks (c) outside air gets in (d) gas is made inside

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