Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 127 · 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 same bottle”? (a) we measure it (b) we keep it the same (c) we change it
2. 2.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) baking soda (c) a magnet (d) an empty bottle
3. 3.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the same bottle (b) spoons of baking soda (c) size of the balloon
4. 4.🫧 Is lemon juice an acid, a base or neutral? (a) an acid (b) a base (c) neutral
5. 5.⚖️ 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
6. 6.🫧 Which of these is a base? (a) salt water (b) detergent water (c) lemon juice (d) sugar water
7. 7.⚖️ 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
8. 8.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
9. 9.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is what we measure. (a) True (b) False
10. 10.🫧 Is tamarind water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
11. 11.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
12. 12.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) hydrogen (b) helium (c) oxygen (d) carbon dioxide
13. 13.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) the balloon got cold (c) the gas froze (d) an ingredient ran out
14. 14.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a seed (c) a balloon (d) a tray for spills
15. 15.⚖️ 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) the amount of vinegar (d) spoons of baking soda
16. 16.True or false: a magnet is not needed for the fizzy balloon. (a) False (b) True
17. 17.True or false: soap solution is neutral. (a) False (b) True
18. 18.🫧 Is plain water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
19. 19.⚖️ 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
20. 20.True or false: curd is a base. (a) True (b) False
21. 21.🔍 Which is the odd one out? (a) plain water (b) salt water (c) sugar water (d) vinegar
22. 22.⚖️ 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
23. 23.🧺 Which of these is not needed for the fizzy balloon? (a) a magnet (b) an empty bottle (c) a funnel or spoon (d) a tray for spills
24. 24.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the amount of vinegar (b) spoons of baking soda (c) size of the balloon (d) the kind of balloon
25. 25.⚖️ 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 kind of balloon
26. 26.🔍 Which is the odd one out? (a) soap solution (b) baking soda water (c) detergent water (d) tamarind water
27. 27.🫧 Which of these is an acid? (a) sugar water (b) detergent water (c) plain water (d) lemon juice
28. 28.True or false: a comb is needed for the fizzy balloon. (a) True (b) False
29. 29.🧺 Do we need a battery cell for the fizzy balloon? (a) needed (b) not needed
30. 30.True or false: a battery cell is needed for the fizzy balloon. (a) True (b) False
31. 31.True or false: a funnel or spoon is needed for the fizzy balloon. (a) False (b) True
32. 32.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) shake it near your face (c) put it in your mouth (d) keep it away from eyes
33. 33.🫧 Which of these is neutral? (a) baking soda water (b) plain water (c) vinegar (d) detergent water
34. 34.🫧 Which of these is an acid? (a) plain water (b) orange juice (c) soap solution (d) sugar water
35. 35.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a funnel or spoon (c) a magnet (d) a comb
36. 36.🫧 What do you see when baking soda meets vinegar? (a) it glows in the dark (b) it turns to ice (c) lots of fizzy bubbles (d) nothing at all
37. 37.True or false: baking soda water is a base. (a) False (b) True
38. 38.True or false: a tray for spills is not needed for the fizzy balloon. (a) True (b) False
39. 39.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
40. 40.🔍 Which is the odd one out? (a) orange juice (b) detergent water (c) vinegar (d) tamarind water

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