Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 696 · 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.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we keep it the same (b) we change it (c) we measure it
2. 2.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) baking soda (c) a funnel or spoon (d) a seed
3. 3.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) vinegar (c) a battery cell (d) an empty bottle
4. 4.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
5. 5.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a magnet (b) a tray for spills (c) a funnel or spoon (d) an empty bottle
6. 6.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
7. 7.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is kept the same. (a) False (b) True
8. 8.True or false: lemon juice is an acid. (a) True (b) False
9. 9.🔍 Which is the odd one out? (a) sugar water (b) detergent water (c) soap solution (d) baking soda water
10. 10.🧺 Which of these is not needed for the fizzy balloon? (a) a comb (b) a balloon (c) baking soda (d) a tray for spills
11. 11.📘 Is the fizzing a sign that a new substance is made? (a) no, nothing changes (b) it is only dissolving (c) it is only melting (d) yes, a new gas forms
12. 12.⚖️ 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 kind of balloon (c) spoons of baking soda (d) the amount of vinegar
13. 13.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a comb (c) baking soda (d) a magnet
14. 14.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
15. 15.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) the balloon got cold (c) an ingredient ran out (d) the gas froze
16. 16.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) an empty bottle (c) a funnel or spoon (d) a comb
17. 17.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) baking soda (c) vinegar (d) a seed
18. 18.🔮 Predict: you use plain water instead of vinegar. What happens? (a) the balloon bursts (b) it turns to honey (c) a huge eruption (d) very little fizzing
19. 19.🫧 Which of these is neutral? (a) lemon juice (b) plain water (c) orange juice (d) detergent water
20. 20.True or false: a comb is needed for the fizzy balloon. (a) False (b) True
21. 21.🎈 Why does the balloon blow up? (a) outside air gets in (b) the bottle shrinks (c) gas is made inside (d) vinegar is hot
22. 22.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a balloon (c) a mirror (d) vinegar
23. 23.🔍 Which is the odd one out? (a) salt water (b) plain water (c) lemon juice (d) sugar water
24. 24.🛟 Which safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) put it in your mouth (c) seal it in a glass jar (d) shake it near your face
25. 25.⚖️ 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
26. 26.🫧 Which of these is a base? (a) detergent water (b) curd (c) orange juice (d) tamarind water
27. 27.🫧 Is detergent water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
28. 28.True or false: baking soda is needed for the fizzy balloon. (a) False (b) True
29. 29.True or false: a tray for spills is needed for the fizzy balloon. (a) False (b) True
30. 30.🫧 Which of these is an acid? (a) plain water (b) salt water (c) vinegar (d) sugar water
31. 31.⚖️ 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 measure it (c) we change it
32. 32.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) lots of fizzy bubbles (c) it turns to ice (d) it glows in the dark
33. 33.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) carbon dioxide (b) helium (c) oxygen (d) hydrogen
34. 34.🫧 Which of these is a base? (a) lemon juice (b) curd (c) baking soda water (d) orange juice
35. 35.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) sugar (b) a balloon (c) an empty bottle (d) a tray for spills
36. 36.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the same bottle (b) spoons of baking soda (c) size of the balloon
37. 37.⚖️ 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
38. 38.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is what we measure. (a) True (b) False
39. 39.🫧 Which of these is neutral? (a) orange juice (b) salt water (c) baking soda water (d) soap solution
40. 40.🫧 Which of these is a base? (a) tamarind water (b) curd (c) plain water (d) soap solution

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