Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 52 · 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.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) sugar (b) baking soda (c) vinegar (d) a balloon
2. 2.🫧 Which of these is an acid? (a) baking soda water (b) curd (c) sugar water (d) plain water
3. 3.🔍 Which is the odd one out? (a) orange juice (b) detergent water (c) lemon juice (d) tamarind water
4. 4.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) an empty bottle (c) vinegar (d) a seed
5. 5.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) a seed (c) baking soda (d) a tray for spills
6. 6.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a battery cell (b) an empty bottle (c) vinegar (d) a balloon
7. 7.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) the balloon got cold (c) an ingredient ran out (d) the gas froze
8. 8.True or false: soap solution is neutral. (a) True (b) False
9. 9.🔮 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
10. 10.⚖️ 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
11. 11.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) vinegar (c) baking soda (d) a comb
12. 12.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
13. 13.📘 Is the fizzing a sign that a new substance is made? (a) it is only dissolving (b) no, nothing changes (c) it is only melting (d) yes, a new gas forms
14. 14.True or false: baking soda water is an acid. (a) True (b) False
15. 15.⚖️ 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
16. 16.🫧 Which of these is an acid? (a) baking soda water (b) lemon juice (c) sugar water (d) plain water
17. 17.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a balloon (c) a comb (d) baking soda
18. 18.🧺 Which of these is needed for the fizzy balloon? (a) a tray for spills (b) a magnet (c) a battery cell (d) a seed
19. 19.🫧 Which of these is a base? (a) tamarind water (b) salt water (c) baking soda water (d) vinegar
20. 20.⚖️ 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) spoons of baking soda (d) the amount of vinegar
21. 21.True or false: a battery cell is not needed for the fizzy balloon. (a) False (b) True
22. 22.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) sugar (c) an empty bottle (d) a battery cell
23. 23.🛟 What should you do if vinegar splashes in your eye? (a) rinse with clean water (b) rub it hard (c) ignore it (d) add baking soda
24. 24.🛟 Which safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) put it in your mouth (c) seal it in a glass jar (d) shake it near your face
25. 25.🫧 Is orange juice an acid, a base or neutral? (a) an acid (b) neutral (c) a base
26. 26.🎈 Why does the balloon blow up? (a) vinegar is hot (b) the bottle shrinks (c) outside air gets in (d) gas is made inside
27. 27.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it turns blue (b) it grows bigger (c) there is no change (d) it shrinks
28. 28.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a mirror (b) baking soda (c) vinegar (d) a balloon
29. 29.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) an empty bottle (c) a tray for spills (d) a magnet
30. 30.True or false: baking soda is not needed for the fizzy balloon. (a) False (b) True
31. 31.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the same bottle (b) size of the balloon (c) spoons of baking soda (d) the kind of balloon
32. 32.🔍 Which is the odd one out? (a) baking soda water (b) detergent water (c) soap solution (d) lemon juice
33. 33.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) sugar (c) a seed (d) baking soda
34. 34.⚖️ 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
35. 35.🫧 Is vinegar an acid, a base or neutral? (a) a base (b) neutral (c) an acid
36. 36.🧺 Do we need sugar for the fizzy balloon? (a) not needed (b) needed
37. 37.True or false: a seed is needed for the fizzy balloon. (a) True (b) False
38. 38.True or false: baking soda is needed for the fizzy balloon. (a) True (b) False
39. 39.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
40. 40.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed

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