Baking Soda and Vinegar Experiment Worksheet

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

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