Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 491 · 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.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a comb (c) a funnel or spoon (d) a tray for spills
2. 2.⚖️ 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
3. 3.True or false: an empty bottle is needed for the fizzy balloon. (a) True (b) False
4. 4.True or false: a mirror is needed for the fizzy balloon. (a) True (b) False
5. 5.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) there is no change (b) it turns blue (c) it shrinks (d) it grows bigger
6. 6.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a mirror (c) an empty bottle (d) baking soda
7. 7.⚖️ 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) True (b) False
8. 8.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is what we measure. (a) True (b) False
9. 9.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
10. 10.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
11. 11.🎈 Why does the balloon blow up? (a) the bottle shrinks (b) vinegar is hot (c) gas is made inside (d) outside air gets in
12. 12.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a funnel or spoon (c) vinegar (d) sugar
13. 13.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) size of the balloon (b) spoons of baking soda (c) the amount of vinegar (d) the kind of balloon
14. 14.⚖️ 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
15. 15.🫧 Which of these is a base? (a) lemon juice (b) soap solution (c) plain water (d) vinegar
16. 16.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) keep it away from eyes (c) put it in your mouth (d) seal it in a glass jar
17. 17.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a mirror (c) a balloon (d) a seed
18. 18.🧺 Do we need a seed for the fizzy balloon? (a) not needed (b) needed
19. 19.True or false: baking soda water is a base. (a) False (b) True
20. 20.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
21. 21.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a balloon (c) a funnel or spoon (d) a magnet
22. 22.🔍 Which is the odd one out? (a) tamarind water (b) lemon juice (c) curd (d) baking soda water
23. 23.⚖️ 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 same bottle (d) the amount of vinegar
24. 24.🫧 Is lemon juice an acid, a base or neutral? (a) an acid (b) a base (c) neutral
25. 25.🔍 Which is the odd one out? (a) curd (b) soap solution (c) detergent water (d) baking soda water
26. 26.⚖️ 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 amount of vinegar
27. 27.True or false: a comb is needed for the fizzy balloon. (a) False (b) True
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.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) baking soda (c) a magnet (d) a comb
30. 30.True or false: vinegar is needed for the fizzy balloon. (a) True (b) False
31. 31.🫧 Which of these is neutral? (a) baking soda water (b) sugar water (c) soap solution (d) curd
32. 32.🔮 The fizzing stops after a while. Why? (a) the balloon got cold (b) the bottle got tired (c) the gas froze (d) an ingredient ran out
33. 33.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is kept the same. (a) True (b) False
34. 34.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) baking soda (c) a seed (d) a tray for spills
35. 35.⚖️ 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
36. 36.🫧 Which of these is neutral? (a) tamarind water (b) soap solution (c) plain water (d) orange juice
37. 37.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) a battery cell (c) baking soda (d) a funnel or spoon
38. 38.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is what we measure. (a) False (b) True
39. 39.True or false: baking soda is not needed for the fizzy balloon. (a) False (b) True
40. 40.🫧 Is salt water an acid, a base or neutral? (a) a base (b) neutral (c) an acid

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