Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 274 · 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? True or false: the amount of vinegar is kept the same. (a) True (b) False
2. 2.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we keep it the same (b) we change it (c) we measure it
3. 3.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) sugar (b) a funnel or spoon (c) baking soda (d) vinegar
4. 4.🔍 Which is the odd one out? (a) salt water (b) sugar water (c) plain water (d) orange juice
5. 5.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) a huge eruption (c) very little fizzing (d) the balloon bursts
6. 6.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) rinse with clean water (c) rub it hard (d) ignore it
7. 7.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we change it (b) we keep it the same (c) we measure it
8. 8.True or false: salt water is neutral. (a) False (b) True
9. 9.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) sugar (c) a mirror (d) a tray for spills
10. 10.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) vinegar (c) baking soda (d) a battery cell
11. 11.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
12. 12.🔮 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
13. 13.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) the gas froze (c) an ingredient ran out (d) the balloon got cold
14. 14.🫧 Which of these is neutral? (a) sugar water (b) lemon juice (c) curd (d) detergent water
15. 15.⚖️ 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
16. 16.🔍 Which is the odd one out? (a) salt water (b) soap solution (c) sugar water (d) plain water
17. 17.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
18. 18.True or false: a tray for spills is not needed for the fizzy balloon. (a) True (b) False
19. 19.🛟 Which safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) shake it near your face (c) seal it in a glass jar (d) put it in your mouth
20. 20.📘 Is the fizzing a sign that a new substance is made? (a) it is only melting (b) no, nothing changes (c) it is only dissolving (d) yes, a new gas forms
21. 21.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is the one thing we change. (a) False (b) True
22. 22.⚖️ 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
23. 23.True or false: vinegar is neutral. (a) True (b) False
24. 24.True or false: vinegar is needed for the fizzy balloon. (a) False (b) True
25. 25.⚖️ 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 measure it (c) we keep it the same
26. 26.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) spoons of baking soda (b) size of the balloon (c) the kind of balloon
27. 27.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a seed (b) baking soda (c) a balloon (d) a funnel or spoon
28. 28.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is kept the same. (a) True (b) False
29. 29.🔍 Which is the odd one out? (a) orange juice (b) salt water (c) lemon juice (d) vinegar
30. 30.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we change it (b) we measure it (c) we keep it the same
31. 31.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) a battery cell (c) an empty bottle (d) a tray for spills
32. 32.True or false: soap solution is an acid. (a) False (b) True
33. 33.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
34. 34.True or false: lemon juice is an acid. (a) False (b) True
35. 35.🫧 Which of these is an acid? (a) soap solution (b) salt water (c) sugar water (d) curd
36. 36.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a magnet (c) a tray for spills (d) baking soda
37. 37.True or false: tamarind water is an acid. (a) True (b) False
38. 38.True or false: detergent water is neutral. (a) True (b) False
39. 39.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a magnet (c) vinegar (d) sugar
40. 40.True or false: a battery cell is not needed for the fizzy balloon. (a) False (b) True

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