Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 130 · 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.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we keep it the same (b) we change it (c) we measure it
2. 2.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) add baking soda (c) rinse with clean water (d) ignore it
3. 3.🔍 Which is the odd one out? (a) salt water (b) detergent water (c) sugar water (d) plain water
4. 4.🫧 Is detergent water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
5. 5.True or false: curd is neutral. (a) False (b) True
6. 6.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) baking soda (c) a balloon (d) a mirror
7. 7.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) size of the balloon (b) the kind of balloon (c) the same bottle (d) the amount of vinegar
8. 8.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) there is no change (b) it shrinks (c) it turns blue (d) it grows bigger
9. 9.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is kept the same. (a) True (b) False
10. 10.🔍 Which is the odd one out? (a) baking soda water (b) orange juice (c) soap solution (d) detergent water
11. 11.True or false: a tray for spills is needed for the fizzy balloon. (a) False (b) True
12. 12.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) size of the balloon (b) spoons of baking soda (c) the kind of balloon
13. 13.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) seal it in a glass jar (c) put it in your mouth (d) keep it away from eyes
14. 14.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
15. 15.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) vinegar (c) a seed (d) a tray for spills
16. 16.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) an empty bottle (c) vinegar (d) a comb
17. 17.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a battery cell (c) a comb (d) vinegar
18. 18.⚖️ 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 measure it (c) we change it
19. 19.🫧 Which of these is neutral? (a) salt water (b) orange juice (c) detergent water (d) tamarind water
20. 20.True or false: lemon juice is an acid. (a) True (b) False
21. 21.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a magnet (c) sugar (d) an empty bottle
22. 22.🔮 The fizzing stops after a while. Why? (a) the balloon got cold (b) the bottle got tired (c) the gas froze (d) an ingredient ran out
23. 23.🫧 Is vinegar an acid, a base or neutral? (a) an acid (b) neutral (c) a base
24. 24.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) 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.True or false: a funnel or spoon is needed for the fizzy balloon. (a) False (b) True
27. 27.⚖️ 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
28. 28.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) sugar (c) an empty bottle (d) a funnel or spoon
29. 29.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we change it (b) we measure it (c) we keep it the same
30. 30.🔮 Predict: you use plain water instead of vinegar. What happens? (a) very little fizzing (b) it turns to honey (c) the balloon bursts (d) a huge eruption
31. 31.📘 Is the fizzing a sign that a new substance is made? (a) it is only melting (b) yes, a new gas forms (c) no, nothing changes (d) it is only dissolving
32. 32.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) size of the balloon (b) the amount of vinegar (c) the kind of balloon (d) spoons of baking soda
33. 33.⚖️ 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
34. 34.True or false: soap solution is a base. (a) False (b) True
35. 35.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
36. 36.True or false: a battery cell is not needed for the fizzy balloon. (a) False (b) True
37. 37.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a funnel or spoon (c) a magnet (d) a comb
38. 38.True or false: a magnet is not needed for the fizzy balloon. (a) False (b) True
39. 39.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a magnet (c) vinegar (d) a balloon
40. 40.🫧 Which of these is neutral? (a) orange juice (b) sugar water (c) lemon juice (d) tamarind water

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