Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 527 · 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) sugar water (c) plain water (d) vinegar
2. 2.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we change it (b) we measure it (c) we keep it the same
3. 3.True or false: lemon juice is a base. (a) True (b) False
4. 4.🫧 Is detergent water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
5. 5.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a magnet (c) vinegar (d) a funnel or spoon
6. 6.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the amount of vinegar (b) the same bottle (c) spoons of baking soda (d) the kind of balloon
7. 7.🫧 Is vinegar an acid, a base or neutral? (a) neutral (b) a base (c) an acid
8. 8.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) there is no change (b) it grows bigger (c) it shrinks (d) it turns blue
9. 9.🫧 Which of these is an acid? (a) salt water (b) plain water (c) curd (d) baking soda water
10. 10.🫧 Is sugar water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
11. 11.⚖️ 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
12. 12.🫧 Is curd an acid, a base or neutral? (a) a base (b) neutral (c) an acid
13. 13.🧺 Which of these is not needed for the fizzy balloon? (a) sugar (b) a balloon (c) vinegar (d) a funnel or spoon
14. 14.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the same bottle (b) the kind of balloon (c) the amount of vinegar (d) size of the balloon
15. 15.🎈 Why does the balloon blow up? (a) outside air gets in (b) the bottle shrinks (c) vinegar is hot (d) gas is made inside
16. 16.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a battery cell (c) a mirror (d) a funnel or spoon
17. 17.🛟 Which safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) seal it in a glass jar (c) put it in your mouth (d) shake it near your face
18. 18.True or false: a seed is not needed for the fizzy balloon. (a) False (b) True
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) the same bottle (c) size of the balloon
20. 20.🫧 Is orange juice an acid, a base or neutral? (a) an acid (b) neutral (c) a base
21. 21.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
22. 22.🫧 Which of these is a base? (a) vinegar (b) salt water (c) soap solution (d) orange juice
23. 23.⚖️ 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
24. 24.🫧 Which of these is a base? (a) sugar water (b) plain water (c) lemon juice (d) baking soda water
25. 25.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) sugar (c) a balloon (d) a magnet
26. 26.🔍 Which is the odd one out? (a) sugar water (b) plain water (c) salt water (d) detergent water
27. 27.🫧 What do you see when baking soda meets vinegar? (a) it turns to ice (b) nothing at all (c) it glows in the dark (d) lots of fizzy bubbles
28. 28.True or false: a balloon is not needed for the fizzy balloon. (a) True (b) False
29. 29.🔮 The fizzing stops after a while. Why? (a) an ingredient ran out (b) the gas froze (c) the bottle got tired (d) the balloon got cold
30. 30.⚖️ 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
31. 31.📘 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
32. 32.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) False (b) True
33. 33.True or false: baking soda is not needed for the fizzy balloon. (a) True (b) False
34. 34.🫧 Is tamarind water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
35. 35.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a magnet (c) baking soda (d) a comb
36. 36.🫧 Which of these is a base? (a) detergent water (b) curd (c) orange juice (d) sugar water
37. 37.True or false: plain water is neutral. (a) False (b) True
38. 38.🔍 Which is the odd one out? (a) soap solution (b) baking soda water (c) detergent water (d) plain water
39. 39.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is kept the same. (a) True (b) False
40. 40.🫧 Is plain water an acid, a base or neutral? (a) a base (b) neutral (c) an acid

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