Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 604 · 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.🫧 Which of these is an acid? (a) plain water (b) soap solution (c) orange juice (d) salt water
2. 2.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we measure it (b) we change it (c) we keep it the same
3. 3.⚖️ 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 change it (c) we measure it
4. 4.🫧 Is plain water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
5. 5.True or false: a mirror is not needed for the fizzy balloon. (a) False (b) True
6. 6.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) an empty bottle (c) a seed (d) baking soda
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.⚖️ 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
9. 9.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a comb (c) sugar (d) an empty bottle
10. 10.🧺 Do we need a magnet for the fizzy balloon? (a) needed (b) not needed
11. 11.⚖️ 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) True (b) False
12. 12.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the same bottle (b) the kind of balloon (c) spoons of baking soda (d) the amount of vinegar
13. 13.⚖️ 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
14. 14.🔍 Which is the odd one out? (a) tamarind water (b) lemon juice (c) vinegar (d) detergent water
15. 15.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) an ingredient ran out (c) the balloon got cold (d) the gas froze
16. 16.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
17. 17.🫧 Is curd an acid, a base or neutral? (a) a base (b) neutral (c) an acid
18. 18.🧺 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) a tray for spills
19. 19.🔍 Which is the odd one out? (a) soap solution (b) tamarind water (c) baking soda water (d) detergent water
20. 20.True or false: an empty bottle is needed for the fizzy balloon. (a) True (b) False
21. 21.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) False (b) True
22. 22.⚖️ 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
23. 23.🫧 Is tamarind water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
24. 24.True or false: vinegar is a base. (a) False (b) True
25. 25.True or false: vinegar is not needed for the fizzy balloon. (a) False (b) True
26. 26.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) shake it near your face (c) keep it away from eyes (d) put it in your mouth
27. 27.True or false: a magnet is needed for the fizzy balloon. (a) False (b) True
28. 28.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a balloon (c) an empty bottle (d) a battery cell
29. 29.True or false: a balloon is not needed for the fizzy balloon. (a) False (b) True
30. 30.⚖️ 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
31. 31.🔍 Which is the odd one out? (a) plain water (b) salt water (c) sugar water (d) orange juice
32. 32.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) it glows in the dark (c) lots of fizzy bubbles (d) it turns to ice
33. 33.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
34. 34.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) spoons of baking soda (b) the kind of balloon (c) size of the balloon
35. 35.🧺 Which of these is needed for the fizzy balloon? (a) a funnel or spoon (b) a magnet (c) sugar (d) a comb
36. 36.🧺 Which of these is needed for the fizzy balloon? (a) a tray for spills (b) a battery cell (c) a mirror (d) a magnet
37. 37.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a magnet (b) a tray for spills (c) vinegar (d) an empty bottle
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) True (b) False
39. 39.🎈 Why does the balloon blow up? (a) outside air gets in (b) the bottle shrinks (c) gas is made inside (d) vinegar is hot
40. 40.True or false: baking soda is needed for the fizzy balloon. (a) True (b) False

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