Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 576 · 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) sugar water (b) orange juice (c) detergent water (d) plain water
2. 2.True or false: a balloon is not needed for the fizzy balloon. (a) True (b) False
3. 3.⚖️ 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 kind of balloon (c) the same bottle (d) spoons of baking soda
4. 4.🛟 What should you do if vinegar splashes in your eye? (a) rinse with clean water (b) add baking soda (c) rub it hard (d) ignore it
5. 5.🔮 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
6. 6.🔍 Which is the odd one out? (a) tamarind water (b) salt water (c) sugar water (d) plain water
7. 7.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) size of the balloon (b) the same bottle (c) spoons of baking soda
8. 8.⚖️ 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
9. 9.True or false: a magnet is not needed for the fizzy balloon. (a) False (b) True
10. 10.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) an empty bottle (c) vinegar (d) a comb
11. 11.True or false: an empty bottle 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) spoons of baking soda (b) the kind of balloon (c) size of the balloon
13. 13.🧺 Do we need sugar for the fizzy balloon? (a) not needed (b) needed
14. 14.🫧 Which of these is a base? (a) curd (b) soap solution (c) lemon juice (d) vinegar
15. 15.⚖️ 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
16. 16.True or false: a comb is needed for the fizzy balloon. (a) True (b) False
17. 17.⚖️ 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 keep it the same (c) we measure it
18. 18.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
19. 19.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) size of the balloon (b) the amount of vinegar (c) spoons of baking soda
20. 20.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) sugar (b) a balloon (c) vinegar (d) baking soda
21. 21.True or false: orange juice is a base. (a) False (b) True
22. 22.🫧 Is lemon juice an acid, a base or neutral? (a) a base (b) an acid (c) neutral
23. 23.🫧 Which of these is a base? (a) baking soda water (b) curd (c) lemon juice (d) vinegar
24. 24.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is kept the same. (a) False (b) True
25. 25.🔮 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
26. 26.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we change it (b) we keep it the same (c) we measure it
27. 27.True or false: curd is a base. (a) False (b) True
28. 28.⚖️ 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 amount of vinegar (c) spoons of baking soda (d) the kind of balloon
29. 29.⚖️ 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
30. 30.🛟 Which safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) shake it near your face (c) put it in your mouth (d) seal it in a glass jar
31. 31.⚖️ 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
32. 32.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) baking soda (c) a mirror (d) a balloon
33. 33.True or false: a comb is not needed for the fizzy balloon. (a) False (b) True
34. 34.🔍 Which is the odd one out? (a) vinegar (b) orange juice (c) sugar water (d) curd
35. 35.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) vinegar (c) a mirror (d) baking soda
36. 36.🔍 Which is the odd one out? (a) salt water (b) sugar water (c) detergent water (d) plain water
37. 37.🔮 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
38. 38.True or false: a magnet is needed for the fizzy balloon. (a) True (b) False
39. 39.🎈 Why does the balloon blow up? (a) vinegar is hot (b) outside air gets in (c) the bottle shrinks (d) gas is made inside
40. 40.🔍 Which is the odd one out? (a) sugar water (b) salt water (c) plain water (d) soap solution

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