Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 404 · 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 is the odd one out? (a) plain water (b) baking soda water (c) salt water (d) sugar water
2. 2.🔍 Which is the odd one out? (a) plain water (b) lemon juice (c) tamarind water (d) orange juice
3. 3.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
4. 4.🫧 Which of these is neutral? (a) plain water (b) lemon juice (c) soap solution (d) tamarind water
5. 5.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a comb (c) a seed (d) a balloon
6. 6.🔍 Which is the odd one out? (a) orange juice (b) tamarind water (c) sugar water (d) curd
7. 7.True or false: sugar water is a base. (a) False (b) True
8. 8.🫧 Is soap solution an acid, a base or neutral? (a) an acid (b) a base (c) neutral
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.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) it turns to ice (c) lots of fizzy bubbles (d) it glows in the dark
11. 11.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) ignore it (c) rub it hard (d) rinse with clean water
12. 12.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a battery cell (c) a comb (d) a funnel or spoon
13. 13.🫧 Which of these is a base? (a) lemon juice (b) soap solution (c) curd (d) vinegar
14. 14.⚖️ 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
15. 15.🔍 Which is the odd one out? (a) soap solution (b) detergent water (c) curd (d) baking soda water
16. 16.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a magnet (c) a balloon (d) vinegar
17. 17.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we keep it the same (b) we change it (c) we measure it
18. 18.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) keep it away from eyes (c) seal it in a glass jar (d) shake it near your face
19. 19.🫧 Which of these is a base? (a) orange juice (b) baking soda water (c) tamarind water (d) salt water
20. 20.🎈 Why does the balloon blow up? (a) the bottle shrinks (b) outside air gets in (c) gas is made inside (d) vinegar is hot
21. 21.True or false: vinegar is needed for the fizzy balloon. (a) True (b) False
22. 22.🔮 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
23. 23.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a tray for spills (c) a seed (d) a battery cell
24. 24.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the amount of vinegar (b) size of the balloon (c) spoons of baking soda (d) the kind of balloon
25. 25.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) helium (b) hydrogen (c) carbon dioxide (d) oxygen
26. 26.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
27. 27.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) vinegar (c) a funnel or spoon (d) sugar
28. 28.⚖️ 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
29. 29.🫧 Which of these is an acid? (a) salt water (b) tamarind water (c) detergent water (d) plain water
30. 30.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the kind of balloon (b) size of the balloon (c) spoons of baking soda
31. 31.🔮 Predict: you use plain water instead of vinegar. What happens? (a) very little fizzing (b) the balloon bursts (c) it turns to honey (d) a huge eruption
32. 32.True or false: a magnet is needed for the fizzy balloon. (a) False (b) True
33. 33.True or false: vinegar is neutral. (a) False (b) True
34. 34.True or false: baking soda water is neutral. (a) False (b) True
35. 35.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we change it (b) we measure it (c) we keep it the same
36. 36.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) vinegar (c) a battery cell (d) a magnet
37. 37.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a mirror (c) a seed (d) an empty bottle
38. 38.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a comb (c) a funnel or spoon (d) baking soda
39. 39.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
40. 40.🫧 Is tamarind water an acid, a base or neutral? (a) an acid (b) a base (c) neutral

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