Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 259 · 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? True or false: the kind of balloon is kept the same. (a) False (b) True
2. 2.🧺 Which of these is not needed for the fizzy balloon? (a) a battery cell (b) baking soda (c) a tray for spills (d) a funnel or spoon
3. 3.🔮 The fizzing stops after a while. Why? (a) the balloon got cold (b) the gas froze (c) the bottle got tired (d) an ingredient ran out
4. 4.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) baking soda (c) a mirror (d) an empty bottle
5. 5.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
6. 6.🫧 Is baking soda water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
7. 7.🫧 Which of these is an acid? (a) sugar water (b) lemon juice (c) detergent water (d) salt water
8. 8.⚖️ 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
9. 9.🫧 Which of these is an acid? (a) plain water (b) salt water (c) sugar water (d) vinegar
10. 10.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) a funnel or spoon (c) a magnet (d) baking soda
11. 11.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
12. 12.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) vinegar (c) an empty bottle (d) a magnet
13. 13.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) rinse with clean water (c) add baking soda (d) ignore it
14. 14.🔍 Which is the odd one out? (a) plain water (b) baking soda water (c) salt water (d) sugar water
15. 15.True or false: vinegar is neutral. (a) True (b) False
16. 16.🔍 Which is the odd one out? (a) soap solution (b) curd (c) detergent water (d) baking soda water
17. 17.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is what we measure. (a) True (b) False
18. 18.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they become magnets (b) they freeze (c) they react (d) they float apart
19. 19.True or false: tamarind water is an acid. (a) False (b) True
20. 20.True or false: baking soda is needed for the fizzy balloon. (a) True (b) False
21. 21.🫧 Which of these is a base? (a) curd (b) plain water (c) tamarind water (d) soap solution
22. 22.🔮 Predict: you use plain water instead of vinegar. What happens? (a) the balloon bursts (b) very little fizzing (c) it turns to honey (d) a huge eruption
23. 23.🫧 Is detergent water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
24. 24.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
25. 25.🫧 Is orange juice an acid, a base or neutral? (a) a base (b) neutral (c) an acid
26. 26.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a funnel or spoon (c) a battery cell (d) a balloon
27. 27.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it grows bigger (b) it turns blue (c) it shrinks (d) there is no change
28. 28.⚖️ 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
29. 29.🔍 Which is the odd one out? (a) soap solution (b) baking soda water (c) plain water (d) detergent water
30. 30.🧺 Do we need a mirror for the fizzy balloon? (a) needed (b) not needed
31. 31.🧺 Do we need a seed for the fizzy balloon? (a) needed (b) not needed
32. 32.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we keep it the same (b) we change it (c) we measure it
33. 33.True or false: baking soda water is a base. (a) True (b) False
34. 34.🔍 Which is the odd one out? (a) tamarind water (b) vinegar (c) soap solution (d) curd
35. 35.⚖️ 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 kind of balloon (c) spoons of baking soda (d) the amount of vinegar
36. 36.📘 Is the fizzing a sign that a new substance is made? (a) it is only melting (b) yes, a new gas forms (c) it is only dissolving (d) no, nothing changes
37. 37.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the kind of balloon (b) size of the balloon (c) spoons of baking soda (d) the amount of vinegar
38. 38.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) put it in your mouth (c) seal it in a glass jar (d) keep it away from eyes
39. 39.🧺 Which of these is needed for the fizzy balloon? (a) a funnel or spoon (b) a magnet (c) a battery cell (d) a comb
40. 40.⚖️ 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

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