Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 236 · 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) salt water (b) lemon juice (c) vinegar (d) curd
2. 2.🛟 Which safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) put it in your mouth (c) shake it near your face (d) seal it in a glass jar
3. 3.🔍 Which is the odd one out? (a) soap solution (b) baking soda water (c) tamarind water (d) detergent water
4. 4.True or false: an empty bottle is needed for the fizzy balloon. (a) False (b) True
5. 5.⚖️ 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
6. 6.🫧 Which of these is neutral? (a) sugar water (b) lemon juice (c) tamarind water (d) baking soda water
7. 7.🫧 Which of these is neutral? (a) lemon juice (b) orange juice (c) plain water (d) soap solution
8. 8.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is kept the same. (a) True (b) False
9. 9.True or false: a tray for spills is needed for the fizzy balloon. (a) False (b) True
10. 10.🧺 Do we need a battery cell for the fizzy balloon? (a) not needed (b) needed
11. 11.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the same bottle (b) size of the balloon (c) the kind of balloon (d) the amount of vinegar
12. 12.🫧 Is tamarind water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
13. 13.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) True (b) False
14. 14.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a tray for spills (c) an empty bottle (d) a magnet
15. 15.🧺 Do we need sugar for the fizzy balloon? (a) not needed (b) needed
16. 16.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is kept the same. (a) False (b) True
17. 17.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we change it (b) we keep it the same (c) we measure it
18. 18.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they float apart (b) they become magnets (c) they freeze (d) they react
19. 19.🫧 Which of these is a base? (a) tamarind water (b) salt water (c) detergent water (d) orange juice
20. 20.🔍 Which is the odd one out? (a) baking soda water (b) detergent water (c) sugar water (d) soap solution
21. 21.True or false: baking soda water is a base. (a) False (b) True
22. 22.True or false: lemon juice is an acid. (a) False (b) True
23. 23.🔍 Which is the odd one out? (a) plain water (b) sugar water (c) curd (d) salt water
24. 24.📘 Is the fizzing a sign that a new substance is made? (a) it is only melting (b) no, nothing changes (c) it is only dissolving (d) yes, a new gas forms
25. 25.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is what we measure. (a) False (b) True
26. 26.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a tray for spills (c) a mirror (d) an empty bottle
27. 27.⚖️ 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) size of the balloon (c) spoons of baking soda (d) the amount of vinegar
28. 28.🛟 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
29. 29.⚖️ 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
30. 30.🔍 Which is the odd one out? (a) sugar water (b) plain water (c) salt water (d) orange juice
31. 31.True or false: a balloon is not needed for the fizzy balloon. (a) False (b) True
32. 32.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) the gas froze (c) the balloon got cold (d) an ingredient ran out
33. 33.True or false: plain water is neutral. (a) True (b) False
34. 34.⚖️ 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
35. 35.🫧 Which of these is a base? (a) salt water (b) soap solution (c) sugar water (d) lemon juice
36. 36.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) the balloon bursts (c) very little fizzing (d) it turns to honey
37. 37.🫧 Is salt water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
38. 38.🔍 Which is the odd one out? (a) curd (b) plain water (c) tamarind water (d) orange juice
39. 39.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a balloon (c) sugar (d) a funnel or spoon
40. 40.True or false: a magnet is not needed for the fizzy balloon. (a) True (b) False

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