Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 580 · 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 of these is a base? (a) detergent water (b) plain water (c) orange juice (d) curd
2. 2.⚖️ 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
3. 3.🧺 Do we need a seed for the fizzy balloon? (a) needed (b) not needed
4. 4.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) there is no change (b) it turns blue (c) it shrinks (d) it grows bigger
5. 5.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) ignore it (c) add baking soda (d) rinse with clean water
6. 6.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we measure it (b) we change it (c) we keep it the same
7. 7.🛟 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
8. 8.🧺 Do we need vinegar for the fizzy balloon? (a) needed (b) not needed
9. 9.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) a tray for spills (c) a magnet (d) vinegar
10. 10.True or false: soap solution is neutral. (a) True (b) False
11. 11.True or false: tamarind water is an acid. (a) True (b) False
12. 12.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) sugar (c) an empty bottle (d) baking soda
13. 13.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
14. 14.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is what we measure. (a) False (b) True
15. 15.🔍 Which is the odd one out? (a) curd (b) detergent water (c) soap solution (d) baking soda water
16. 16.True or false: orange juice is neutral. (a) False (b) True
17. 17.🔍 Which is the odd one out? (a) vinegar (b) detergent water (c) lemon juice (d) tamarind water
18. 18.⚖️ 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
19. 19.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) spoons of baking soda (b) size of the balloon (c) the amount of vinegar
20. 20.🔍 Which is the odd one out? (a) sugar water (b) lemon juice (c) vinegar (d) orange juice
21. 21.⚖️ 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) the same bottle (c) the amount of vinegar (d) spoons of baking soda
22. 22.True or false: baking soda is needed for the fizzy balloon. (a) True (b) False
23. 23.🔍 Which is the odd one out? (a) detergent water (b) soap solution (c) baking soda water (d) lemon juice
24. 24.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is the one thing we change. (a) False (b) True
25. 25.⚖️ 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 change it (c) we keep it the same
26. 26.⚖️ 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
27. 27.True or false: a comb is needed for the fizzy balloon. (a) False (b) True
28. 28.True or false: sugar water is neutral. (a) True (b) False
29. 29.🔮 Predict: you use plain water instead of vinegar. What happens? (a) the balloon bursts (b) it turns to honey (c) a huge eruption (d) very little fizzing
30. 30.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a comb (c) a mirror (d) vinegar
31. 31.📘 Is the fizzing a sign that a new substance is made? (a) it is only melting (b) it is only dissolving (c) no, nothing changes (d) yes, a new gas forms
32. 32.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) hydrogen (b) oxygen (c) carbon dioxide (d) helium
33. 33.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is kept the same. (a) False (b) True
34. 34.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
35. 35.True or false: a tray for spills is not needed for the fizzy balloon. (a) False (b) True
36. 36.True or false: a funnel or spoon is needed for the fizzy balloon. (a) True (b) False
37. 37.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) an ingredient ran out (c) the gas froze (d) the balloon got cold
38. 38.🫧 Is baking soda water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
39. 39.🫧 Which of these is an acid? (a) plain water (b) detergent water (c) vinegar (d) baking soda water
40. 40.🔍 Which is the odd one out? (a) plain water (b) soap solution (c) detergent water (d) baking soda water

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