Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 260 · 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 detergent water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
2. 2.🫧 Which of these is an acid? (a) detergent water (b) salt water (c) vinegar (d) plain water
3. 3.⚖️ 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
4. 4.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a magnet (b) a balloon (c) baking soda (d) an empty bottle
5. 5.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is the one thing we change. (a) False (b) True
6. 6.🧺 Do we need a magnet for the fizzy balloon? (a) needed (b) not needed
7. 7.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is what we measure. (a) False (b) True
8. 8.🔮 The fizzing stops after a while. Why? (a) the balloon got cold (b) the gas froze (c) an ingredient ran out (d) the bottle got tired
9. 9.True or false: a battery cell is needed for the fizzy balloon. (a) True (b) False
10. 10.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) size of the balloon (b) spoons of baking soda (c) the same bottle
11. 11.🔍 Which is the odd one out? (a) curd (b) orange juice (c) detergent water (d) vinegar
12. 12.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
13. 13.🫧 Is lemon juice an acid, a base or neutral? (a) an acid (b) neutral (c) a base
14. 14.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a balloon (c) vinegar (d) a seed
15. 15.⚖️ 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 measure it (c) we change it
16. 16.⚖️ 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 keep it the same (c) we change it
17. 17.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
18. 18.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is kept the same. (a) True (b) False
19. 19.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) a magnet (c) an empty bottle (d) a balloon
20. 20.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the amount of vinegar (b) size of the balloon (c) spoons of baking soda
21. 21.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) rinse with clean water (c) rub it hard (d) add baking soda
22. 22.⚖️ 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 change it (c) we measure it
23. 23.🔍 Which is the odd one out? (a) curd (b) sugar water (c) lemon juice (d) tamarind water
24. 24.True or false: sugar water is an acid. (a) False (b) True
25. 25.⚖️ 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) the same bottle (d) the kind of balloon
26. 26.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a funnel or spoon (c) a comb (d) a balloon
27. 27.🫧 Which of these is an acid? (a) salt water (b) detergent water (c) baking soda water (d) curd
28. 28.⚖️ 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) True (b) False
29. 29.⚖️ 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
30. 30.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is kept the same. (a) True (b) False
31. 31.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
32. 32.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) seal it in a glass jar (c) keep it away from eyes (d) put it in your mouth
33. 33.True or false: an empty bottle is needed for the fizzy balloon. (a) False (b) True
34. 34.True or false: a comb is not needed for the fizzy balloon. (a) False (b) True
35. 35.⚖️ 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 amount of vinegar (c) the kind of balloon (d) spoons of baking soda
36. 36.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) baking soda (c) a seed (d) a comb
37. 37.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a battery cell (c) a balloon (d) a funnel or spoon
38. 38.🫧 Is curd an acid, a base or neutral? (a) an acid (b) neutral (c) a base
39. 39.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) an empty bottle (c) vinegar (d) sugar
40. 40.⚖️ 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 change it (c) we measure it

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