Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 273 · 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.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) helium (c) hydrogen (d) carbon dioxide
3. 3.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) keep it away from eyes (c) seal it in a glass jar (d) shake it near your face
4. 4.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a magnet (c) vinegar (d) a tray for spills
5. 5.⚖️ 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 amount of vinegar (d) the same bottle
6. 6.🔍 Which is the odd one out? (a) salt water (b) curd (c) sugar water (d) plain water
7. 7.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) the balloon got cold (c) the gas froze (d) an ingredient ran out
8. 8.True or false: an empty bottle is not needed for the fizzy balloon. (a) False (b) True
9. 9.🔮 Predict: you use plain water instead of vinegar. What happens? (a) very little fizzing (b) it turns to honey (c) the balloon bursts (d) a huge eruption
10. 10.🔍 Which is the odd one out? (a) lemon juice (b) orange juice (c) vinegar (d) detergent water
11. 11.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a battery cell (c) sugar (d) a balloon
12. 12.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is kept the same. (a) False (b) True
13. 13.True or false: curd is an acid. (a) False (b) True
14. 14.⚖️ 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 same bottle
15. 15.🫧 Is lemon juice an acid, a base or neutral? (a) an acid (b) a base (c) neutral
16. 16.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they become magnets (b) they react (c) they freeze (d) they float apart
17. 17.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) spoons of baking soda (b) size of the balloon (c) the kind of balloon (d) the same bottle
18. 18.True or false: vinegar is not needed for the fizzy balloon. (a) True (b) False
19. 19.⚖️ 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
20. 20.True or false: vinegar is needed for the fizzy balloon. (a) True (b) False
21. 21.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) an empty bottle (c) a mirror (d) a magnet
22. 22.🫧 What do you see when baking soda meets vinegar? (a) it turns to ice (b) lots of fizzy bubbles (c) nothing at all (d) it glows in the dark
23. 23.🫧 Is plain water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
24. 24.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is kept the same. (a) False (b) True
25. 25.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a tray for spills (c) sugar (d) a magnet
26. 26.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
27. 27.True or false: a battery cell is needed for the fizzy balloon. (a) False (b) True
28. 28.🫧 Which of these is neutral? (a) curd (b) orange juice (c) tamarind water (d) plain water
29. 29.True or false: plain water is neutral. (a) False (b) True
30. 30.📘 Is the fizzing a sign that a new substance is made? (a) yes, a new gas forms (b) it is only dissolving (c) it is only melting (d) no, nothing changes
31. 31.True or false: tamarind water is neutral. (a) True (b) False
32. 32.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we measure it (b) we change it (c) we keep it the same
33. 33.⚖️ 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 change it (c) we keep it the same
34. 34.⚖️ 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
35. 35.True or false: tamarind water is an acid. (a) False (b) True
36. 36.🫧 Is salt water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
37. 37.True or false: an empty bottle is needed for the fizzy balloon. (a) False (b) True
38. 38.⚖️ 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) False (b) True
39. 39.True or false: sugar water is an acid. (a) True (b) False
40. 40.🫧 Is detergent water an acid, a base or neutral? (a) a base (b) neutral (c) an acid

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