Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 740 · 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 measure it (b) we keep it the same (c) we change it
2. 2.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) an empty bottle (c) a magnet (d) baking soda
3. 3.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we change it (b) we keep it the same (c) we measure it
4. 4.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
5. 5.🔮 The fizzing stops after a while. Why? (a) the balloon got cold (b) the gas froze (c) the bottle got tired (d) an ingredient ran out
6. 6.🫧 Is detergent water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
7. 7.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we keep it the same (b) we measure it (c) we change it
8. 8.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
9. 9.🫧 Is sugar water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
10. 10.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a battery cell (c) a funnel or spoon (d) a tray for spills
11. 11.🫧 Is lemon juice an acid, a base or neutral? (a) an acid (b) a base (c) neutral
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 same bottle (c) spoons of baking soda (d) the kind of balloon
13. 13.🔮 Predict: you use plain water instead of vinegar. What happens? (a) very little fizzing (b) the balloon bursts (c) it turns to honey (d) a huge eruption
14. 14.🫧 Which of these is an acid? (a) salt water (b) detergent water (c) vinegar (d) soap solution
15. 15.🫧 What do you see when baking soda meets vinegar? (a) it glows in the dark (b) lots of fizzy bubbles (c) it turns to ice (d) nothing at all
16. 16.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
17. 17.⚖️ 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
18. 18.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the same bottle (b) spoons of baking soda (c) size of the balloon (d) the kind of balloon
19. 19.🫧 Which of these is a base? (a) orange juice (b) curd (c) plain water (d) baking soda water
20. 20.🧺 Which of these is needed for the fizzy balloon? (a) a tray for spills (b) a mirror (c) a seed (d) sugar
21. 21.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a comb (c) a mirror (d) baking soda
22. 22.🧺 Which of these is needed for the fizzy balloon? (a) a funnel or spoon (b) a magnet (c) a battery cell (d) a seed
23. 23.🔍 Which is the odd one out? (a) salt water (b) detergent water (c) baking soda water (d) soap solution
24. 24.True or false: a balloon is not needed for the fizzy balloon. (a) False (b) True
25. 25.📘 Is the fizzing a sign that a new substance is made? (a) no, nothing changes (b) yes, a new gas forms (c) it is only dissolving (d) it is only melting
26. 26.True or false: tamarind water is neutral. (a) True (b) False
27. 27.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we measure it (b) we change it (c) we keep it the same
28. 28.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a comb (b) a tray for spills (c) an empty bottle (d) a balloon
29. 29.🫧 Which of these is a base? (a) lemon juice (b) vinegar (c) soap solution (d) curd
30. 30.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) an empty bottle (c) a magnet (d) vinegar
31. 31.⚖️ 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 keep it the same (c) we measure it
32. 32.⚖️ 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
33. 33.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) helium (c) hydrogen (d) carbon dioxide
34. 34.True or false: vinegar is not needed for the fizzy balloon. (a) True (b) False
35. 35.True or false: detergent water is a base. (a) True (b) False
36. 36.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
37. 37.⚖️ 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
38. 38.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
39. 39.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) ignore it (c) rinse with clean water (d) add baking soda
40. 40.True or false: salt water is an acid. (a) True (b) False

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