Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 117 · 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.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) the balloon bursts (c) very little fizzing (d) a huge eruption
2. 2.True or false: curd is a base. (a) False (b) True
3. 3.🛟 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
4. 4.📘 Is the fizzing a sign that a new substance is made? (a) it is only melting (b) no, nothing changes (c) yes, a new gas forms (d) it is only dissolving
5. 5.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we change it (b) we measure it (c) we keep it the same
6. 6.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) spoons of baking soda (b) size of the balloon (c) the amount of vinegar
7. 7.🧺 Which of these is not needed for the fizzy balloon? (a) a comb (b) a funnel or spoon (c) baking soda (d) vinegar
8. 8.True or false: sugar is needed for the fizzy balloon. (a) False (b) True
9. 9.⚖️ 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
10. 10.⚖️ 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
11. 11.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is the one thing we change. (a) True (b) False
12. 12.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a tray for spills (c) a balloon (d) a battery cell
13. 13.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a comb (c) a funnel or spoon (d) a tray for spills
14. 14.True or false: a tray for spills is needed for the fizzy balloon. (a) True (b) False
15. 15.🫧 Is tamarind water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
16. 16.True or false: baking soda water is a base. (a) False (b) True
17. 17.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a tray for spills (c) a magnet (d) baking soda
18. 18.🫧 Is vinegar an acid, a base or neutral? (a) neutral (b) a base (c) an acid
19. 19.🧺 Which of these is needed for the fizzy balloon? (a) an empty bottle (b) a seed (c) a battery cell (d) a mirror
20. 20.🧺 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) an empty bottle
21. 21.🎈 Why does the balloon blow up? (a) the bottle shrinks (b) outside air gets in (c) vinegar is hot (d) gas is made inside
22. 22.True or false: a battery cell is not needed for the fizzy balloon. (a) True (b) False
23. 23.True or false: vinegar is a base. (a) False (b) True
24. 24.True or false: orange juice is an acid. (a) True (b) False
25. 25.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a mirror (c) vinegar (d) a magnet
26. 26.🔍 Which is the odd one out? (a) curd (b) orange juice (c) baking soda water (d) vinegar
27. 27.⚖️ 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 keep it the same (c) we change it
28. 28.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) helium (b) hydrogen (c) oxygen (d) carbon dioxide
29. 29.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
30. 30.🫧 Which of these is an acid? (a) salt water (b) soap solution (c) sugar water (d) vinegar
31. 31.🔍 Which is the odd one out? (a) baking soda water (b) tamarind water (c) soap solution (d) detergent water
32. 32.True or false: a battery cell is needed for the fizzy balloon. (a) False (b) True
33. 33.⚖️ 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 amount of vinegar (c) the kind of balloon (d) spoons of baking soda
34. 34.True or false: tamarind water is an acid. (a) False (b) True
35. 35.🫧 Is detergent water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
36. 36.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) it turns blue (c) there is no change (d) it grows bigger
37. 37.⚖️ 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
38. 38.🫧 Which of these is an acid? (a) plain water (b) soap solution (c) baking soda water (d) tamarind water
39. 39.True or false: an empty bottle is needed for the fizzy balloon. (a) False (b) True
40. 40.🫧 Which of these is a base? (a) sugar water (b) vinegar (c) lemon juice (d) baking soda water

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