Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 424 · 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: lemon juice is an acid. (a) False (b) True
2. 2.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we keep it the same (b) we change it (c) we measure it
3. 3.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is the one thing we change. (a) True (b) False
4. 4.🛟 Which safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) seal it in a glass jar (c) put it in your mouth (d) shake it near your face
5. 5.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a tray for spills (c) baking soda (d) a magnet
6. 6.🫧 Which of these is a base? (a) curd (b) lemon juice (c) vinegar (d) soap solution
7. 7.True or false: lemon juice is a base. (a) True (b) False
8. 8.True or false: a magnet 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 kept the same. (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 change it (b) we measure it (c) we keep it the same
11. 11.True or false: vinegar is an acid. (a) False (b) True
12. 12.True or false: a balloon is needed for the fizzy balloon. (a) False (b) True
13. 13.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a tray for spills (c) a mirror (d) a balloon
14. 14.🔮 The fizzing stops after a while. Why? (a) the gas froze (b) an ingredient ran out (c) the balloon got cold (d) the bottle got tired
15. 15.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) size of the balloon (b) spoons of baking soda (c) the same bottle
16. 16.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
17. 17.True or false: detergent water is neutral. (a) False (b) True
18. 18.🫧 Is curd an acid, a base or neutral? (a) a base (b) an acid (c) neutral
19. 19.True or false: lemon juice is neutral. (a) False (b) True
20. 20.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the amount of vinegar (b) size of the balloon (c) the kind of balloon (d) the same bottle
21. 21.🔍 Which is the odd one out? (a) orange juice (b) lemon juice (c) detergent water (d) vinegar
22. 22.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the amount of vinegar (b) size of the balloon (c) spoons of baking soda
23. 23.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) hydrogen (b) helium (c) oxygen (d) carbon dioxide
24. 24.🧺 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) baking soda
25. 25.True or false: a magnet is not needed for the fizzy balloon. (a) False (b) True
26. 26.🫧 Which of these is neutral? (a) vinegar (b) lemon juice (c) sugar water (d) orange juice
27. 27.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) needed (b) not needed
28. 28.⚖️ 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) the kind of balloon (c) the same bottle (d) the amount of vinegar
29. 29.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a mirror (c) a comb (d) a tray for spills
30. 30.True or false: a battery cell is needed for the fizzy balloon. (a) False (b) True
31. 31.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it grows bigger (b) it shrinks (c) it turns blue (d) there is no change
32. 32.⚖️ 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
33. 33.⚖️ 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
34. 34.🧺 Do we need a mirror for the fizzy balloon? (a) needed (b) not needed
35. 35.📘 Is the fizzing a sign that a new substance is made? (a) it is only dissolving (b) no, nothing changes (c) it is only melting (d) yes, a new gas forms
36. 36.⚖️ 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) False (b) True
37. 37.🔍 Which is the odd one out? (a) orange juice (b) sugar water (c) plain water (d) salt water
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 measure it (c) we change it
39. 39.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
40. 40.🫧 Which of these is neutral? (a) detergent water (b) soap solution (c) plain water (d) lemon juice

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