Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 611 · 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.🫧 Is soap solution an acid, a base or neutral? (a) an acid (b) a base (c) neutral
2. 2.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is kept the same. (a) False (b) True
3. 3.🫧 Which of these is neutral? (a) lemon juice (b) orange juice (c) tamarind water (d) sugar water
4. 4.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we change it (b) we measure it (c) we keep it the same
5. 5.🧺 Which of these is not needed for the fizzy balloon? (a) a battery cell (b) baking soda (c) a funnel or spoon (d) a tray for spills
6. 6.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) keep it away from eyes (c) put it in your mouth (d) shake it near your face
7. 7.🔮 The fizzing stops after a while. Why? (a) the balloon got cold (b) an ingredient ran out (c) the gas froze (d) the bottle got tired
8. 8.🫧 Which of these is a base? (a) vinegar (b) orange juice (c) baking soda water (d) curd
9. 9.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the kind of balloon (b) spoons of baking soda (c) size of the balloon
10. 10.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) needed (b) not needed
11. 11.True or false: lemon juice is an acid. (a) True (b) False
12. 12.🎈 Why does the balloon blow up? (a) the bottle shrinks (b) outside air gets in (c) vinegar is hot (d) gas is made inside
13. 13.⚖️ 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
14. 14.True or false: vinegar is an acid. (a) False (b) True
15. 15.⚖️ 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
16. 16.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) baking soda (c) a tray for spills (d) a seed
17. 17.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) baking soda (c) a funnel or spoon (d) a magnet
18. 18.True or false: detergent water is an acid. (a) True (b) False
19. 19.⚖️ 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 keep it the same (c) we change it
20. 20.True or false: sugar is needed for the fizzy balloon. (a) True (b) False
21. 21.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a tray for spills (c) a comb (d) baking soda
22. 22.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) carbon dioxide (b) hydrogen (c) helium (d) oxygen
23. 23.🫧 Is tamarind water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
24. 24.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a seed (c) a magnet (d) a tray for spills
25. 25.🫧 Which of these is an acid? (a) baking soda water (b) sugar water (c) salt water (d) vinegar
26. 26.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
27. 27.🧺 Do we need a seed for the fizzy balloon? (a) not needed (b) needed
28. 28.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) sugar (c) a magnet (d) a funnel or spoon
29. 29.🔍 Which is the odd one out? (a) sugar water (b) vinegar (c) plain water (d) salt water
30. 30.True or false: a magnet is needed for the fizzy balloon. (a) False (b) True
31. 31.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) an empty bottle (c) sugar (d) a comb
32. 32.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a battery cell (c) a mirror (d) vinegar
33. 33.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a battery cell (c) baking soda (d) a funnel or spoon
34. 34.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is kept the same. (a) False (b) True
35. 35.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
36. 36.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) there is no change (b) it turns blue (c) it shrinks (d) it grows bigger
37. 37.True or false: an empty bottle is not needed for the fizzy balloon. (a) False (b) True
38. 38.True or false: a mirror is not needed for the fizzy balloon. (a) True (b) False
39. 39.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a balloon (c) baking soda (d) a mirror
40. 40.🔍 Which is the odd one out? (a) plain water (b) salt water (c) sugar water (d) tamarind water

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