Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 897 · 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: spoons of baking soda is the one thing we change. (a) False (b) True
2. 2.🧺 Which of these is needed for the fizzy balloon? (a) baking soda (b) a magnet (c) a mirror (d) a battery cell
3. 3.⚖️ 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 keep it the same (c) we change it
4. 4.True or false: lemon juice is an acid. (a) False (b) True
5. 5.True or false: a magnet is needed for the fizzy balloon. (a) True (b) False
6. 6.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is what we measure. (a) False (b) True
7. 7.🔮 Predict: you use plain water instead of vinegar. What happens? (a) the balloon bursts (b) very little fizzing (c) it turns to honey (d) a huge eruption
8. 8.🧺 Do we need a comb for the fizzy balloon? (a) not needed (b) needed
9. 9.🫧 Is orange juice an acid, a base or neutral? (a) neutral (b) an acid (c) a base
10. 10.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the amount of vinegar (b) the kind of balloon (c) size of the balloon (d) the same bottle
11. 11.🔍 Which is the odd one out? (a) curd (b) vinegar (c) tamarind water (d) plain water
12. 12.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) ignore it (c) add baking soda (d) rinse with clean water
13. 13.🫧 What do you see when baking soda meets vinegar? (a) lots of fizzy bubbles (b) it glows in the dark (c) nothing at all (d) it turns to ice
14. 14.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) seal it in a glass jar (c) keep it away from eyes (d) put it in your mouth
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 change it (c) we measure it
16. 16.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
17. 17.🫧 Is tamarind water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
18. 18.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) baking soda (c) an empty bottle (d) sugar
19. 19.🫧 Which of these is a base? (a) plain water (b) baking soda water (c) orange juice (d) vinegar
20. 20.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a mirror (c) a tray for spills (d) baking soda
21. 21.⚖️ 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
22. 22.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
23. 23.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a tray for spills (c) sugar (d) a balloon
24. 24.🧺 Which of these is needed for the fizzy balloon? (a) a tray for spills (b) a magnet (c) a mirror (d) sugar
25. 25.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a comb (b) baking soda (c) a funnel or spoon (d) a balloon
26. 26.True or false: curd is a base. (a) True (b) False
27. 27.🫧 Is vinegar an acid, a base or neutral? (a) a base (b) neutral (c) an acid
28. 28.🔍 Which is the odd one out? (a) curd (b) baking soda water (c) lemon juice (d) vinegar
29. 29.⚖️ 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
30. 30.🫧 Is sugar water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
31. 31.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
32. 32.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the same bottle (b) spoons of baking soda (c) size of the balloon
33. 33.🧺 Do we need sugar for the fizzy balloon? (a) not needed (b) needed
34. 34.True or false: orange juice is neutral. (a) False (b) True
35. 35.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a funnel or spoon (c) a balloon (d) a mirror
36. 36.🔮 The fizzing stops after a while. Why? (a) the balloon got cold (b) the gas froze (c) the bottle got tired (d) an ingredient ran out
37. 37.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) carbon dioxide (c) helium (d) hydrogen
38. 38.True or false: a seed is needed for the fizzy balloon. (a) False (b) True
39. 39.True or false: an empty bottle is needed for the fizzy balloon. (a) False (b) True
40. 40.🧺 Do we need a tray for spills for the fizzy balloon? (a) needed (b) not needed

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