Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 304 · 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.True or false: a battery cell is not needed for the fizzy balloon. (a) False (b) True
2. 2.⚖️ 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
3. 3.🫧 Which of these is a base? (a) baking soda water (b) curd (c) plain water (d) lemon juice
4. 4.⚖️ 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 keep it the same (c) we change it
5. 5.🧺 Do we need vinegar for the fizzy balloon? (a) needed (b) not needed
6. 6.⚖️ 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 amount of vinegar
7. 7.🫧 Which of these is an acid? (a) salt water (b) plain water (c) curd (d) soap solution
8. 8.🫧 What do you see when baking soda meets vinegar? (a) it glows in the dark (b) nothing at all (c) lots of fizzy bubbles (d) it turns to ice
9. 9.🧺 Do we need sugar for the fizzy balloon? (a) not needed (b) needed
10. 10.True or false: a comb is not needed for the fizzy balloon. (a) False (b) True
11. 11.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) needed (b) not needed
12. 12.⚖️ 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) spoons of baking soda (c) the same bottle (d) the amount of vinegar
13. 13.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) rub it hard (c) add baking soda (d) rinse with clean water
14. 14.⚖️ 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 same bottle
15. 15.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is the one thing we change. (a) True (b) False
16. 16.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a tray for spills (c) a seed (d) sugar
17. 17.🔍 Which is the odd one out? (a) plain water (b) salt water (c) sugar water (d) curd
18. 18.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) baking soda (c) a mirror (d) a comb
19. 19.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) seal it in a glass jar (c) keep it away from eyes (d) shake it near your face
20. 20.⚖️ 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
21. 21.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) baking soda (c) a magnet (d) a balloon
22. 22.🫧 Which of these is an acid? (a) detergent water (b) salt water (c) sugar water (d) vinegar
23. 23.📘 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
24. 24.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a battery cell (c) a mirror (d) an empty bottle
25. 25.🫧 Which of these is neutral? (a) salt water (b) vinegar (c) curd (d) detergent water
26. 26.⚖️ 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
27. 27.🔮 The fizzing stops after a while. Why? (a) the gas froze (b) the bottle got tired (c) the balloon got cold (d) an ingredient ran out
28. 28.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) spoons of baking soda (b) the kind of balloon (c) size of the balloon (d) the same bottle
29. 29.🔍 Which is the odd one out? (a) orange juice (b) lemon juice (c) soap solution (d) curd
30. 30.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
31. 31.True or false: a funnel or spoon is needed for the fizzy balloon. (a) True (b) False
32. 32.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a tray for spills (c) a balloon (d) sugar
33. 33.🫧 Which of these is neutral? (a) vinegar (b) detergent water (c) soap solution (d) sugar water
34. 34.🫧 Is orange juice an acid, a base or neutral? (a) an acid (b) a base (c) neutral
35. 35.True or false: salt water is neutral. (a) False (b) True
36. 36.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we measure it (b) we change it (c) we keep it the same
37. 37.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) very little fizzing (c) a huge eruption (d) the balloon bursts
38. 38.⚖️ 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
39. 39.True or false: lemon juice is a base. (a) True (b) False
40. 40.True or false: vinegar is a base. (a) False (b) True

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