Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 141 · 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.🎈 Why does the balloon blow up? (a) the bottle shrinks (b) gas is made inside (c) vinegar is hot (d) outside air gets in
2. 2.True or false: a seed is needed for the fizzy balloon. (a) True (b) False
3. 3.🫧 Is detergent water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
4. 4.🫧 Which of these is a base? (a) plain water (b) sugar water (c) detergent water (d) tamarind water
5. 5.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
6. 6.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is kept the same. (a) False (b) True
7. 7.True or false: a magnet is needed for the fizzy balloon. (a) True (b) False
8. 8.🧺 Do we need a battery cell for the fizzy balloon? (a) not needed (b) needed
9. 9.🫧 Which of these is a base? (a) orange juice (b) vinegar (c) baking soda water (d) lemon juice
10. 10.🫧 Is tamarind water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
11. 11.🫧 Which of these is neutral? (a) sugar water (b) soap solution (c) lemon juice (d) vinegar
12. 12.🫧 Which of these is an acid? (a) orange juice (b) plain water (c) soap solution (d) sugar water
13. 13.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it turns blue (b) it shrinks (c) it grows bigger (d) there is no change
14. 14.True or false: a magnet is not needed for the fizzy balloon. (a) False (b) True
15. 15.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
16. 16.🫧 Which of these is neutral? (a) soap solution (b) lemon juice (c) salt water (d) curd
17. 17.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
18. 18.🫧 Is soap solution an acid, a base or neutral? (a) an acid (b) neutral (c) a base
19. 19.🧺 Do we need a seed for the fizzy balloon? (a) needed (b) not needed
20. 20.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we measure it (b) we keep it the same (c) we change it
21. 21.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
22. 22.⚖️ 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
23. 23.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) keep it away from eyes (c) shake it near your face (d) put it in your mouth
24. 24.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a tray for spills (c) a funnel or spoon (d) a comb
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 keep it the same (c) we change it
26. 26.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a mirror (b) a funnel or spoon (c) a tray for spills (d) baking soda
27. 27.🧺 Which of these is needed for the fizzy balloon? (a) a funnel or spoon (b) sugar (c) a battery cell (d) a comb
28. 28.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a battery cell (b) a tray for spills (c) a funnel or spoon (d) an empty bottle
29. 29.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the amount of vinegar (b) spoons of baking soda (c) the kind of balloon (d) size of the balloon
30. 30.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is what we measure. (a) True (b) False
31. 31.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) very little fizzing (c) a huge eruption (d) the balloon bursts
32. 32.📘 Is the fizzing a sign that a new substance is made? (a) it is only melting (b) no, nothing changes (c) yes, a new gas forms (d) it is only dissolving
33. 33.🔮 The fizzing stops after a while. Why? (a) the balloon got cold (b) an ingredient ran out (c) the bottle got tired (d) the gas froze
34. 34.🫧 Is sugar water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
35. 35.True or false: tamarind water is a base. (a) False (b) True
36. 36.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we measure it (b) we change it (c) we keep it the same
37. 37.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a tray for spills (c) an empty bottle (d) a seed
38. 38.⚖️ 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) False (b) True
39. 39.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) hydrogen (b) oxygen (c) carbon dioxide (d) helium
40. 40.⚖️ 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

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