Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 894 · 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 kind of balloon”? (a) we change it (b) we keep it the same (c) we measure it
2. 2.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) carbon dioxide (c) hydrogen (d) helium
3. 3.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) size of the balloon (b) the amount of vinegar (c) spoons of baking soda (d) the kind of balloon
4. 4.⚖️ 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 keep it the same (c) we change it
5. 5.⚖️ 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
6. 6.True or false: curd is an acid. (a) True (b) False
7. 7.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is kept the same. (a) True (b) False
8. 8.🧺 Do we need a battery cell for the fizzy balloon? (a) needed (b) not needed
9. 9.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
10. 10.True or false: a battery cell is not needed for the fizzy balloon. (a) False (b) True
11. 11.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) a tray for spills (c) baking soda (d) a magnet
12. 12.🫧 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
13. 13.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) size of the balloon (b) the amount of vinegar (c) spoons of baking soda
14. 14.🫧 Is plain water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
15. 15.⚖️ 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
16. 16.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) a seed (c) a tray for spills (d) vinegar
17. 17.🔍 Which is the odd one out? (a) detergent water (b) soap solution (c) curd (d) baking soda water
18. 18.🫧 Is orange juice an acid, a base or neutral? (a) neutral (b) an acid (c) a base
19. 19.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a tray for spills (c) a mirror (d) vinegar
20. 20.🔮 The fizzing stops after a while. Why? (a) the gas froze (b) the balloon got cold (c) the bottle got tired (d) an ingredient ran out
21. 21.🫧 Which of these is an acid? (a) salt water (b) sugar water (c) curd (d) plain water
22. 22.🧺 Do we need vinegar for the fizzy balloon? (a) needed (b) not needed
23. 23.True or false: sugar water is a base. (a) True (b) False
24. 24.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is the one thing we change. (a) False (b) True
25. 25.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a battery cell (c) a tray for spills (d) a funnel or spoon
26. 26.True or false: baking soda water is a base. (a) True (b) False
27. 27.🫧 Which of these is an acid? (a) soap solution (b) detergent water (c) vinegar (d) sugar water
28. 28.🔍 Which is the odd one out? (a) vinegar (b) tamarind water (c) curd (d) sugar water
29. 29.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is what we measure. (a) False (b) True
30. 30.🔍 Which is the odd one out? (a) sugar water (b) salt water (c) plain water (d) detergent water
31. 31.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a battery cell (c) a tray for spills (d) sugar
32. 32.🔍 Which is the odd one out? (a) curd (b) tamarind water (c) lemon juice (d) baking soda water
33. 33.True or false: plain water is a base. (a) True (b) False
34. 34.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) a mirror (c) vinegar (d) a balloon
35. 35.True or false: a tray for spills is not needed for the fizzy balloon. (a) True (b) False
36. 36.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) baking soda (c) a comb (d) a mirror
37. 37.🧺 Which of these is not needed for the fizzy balloon? (a) sugar (b) baking soda (c) vinegar (d) a balloon
38. 38.⚖️ 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
39. 39.⚖️ 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) size of the balloon (d) the amount of vinegar
40. 40.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a magnet (b) an empty bottle (c) a tray for spills (d) vinegar

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