Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 369 · 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 gas fills the balloon in the baking soda and vinegar experiment? (a) hydrogen (b) oxygen (c) helium (d) carbon dioxide
2. 2.🧺 Do we need sugar for the fizzy balloon? (a) not needed (b) needed
3. 3.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a magnet (c) a battery cell (d) an empty bottle
4. 4.🔍 Which is the odd one out? (a) soap solution (b) lemon juice (c) vinegar (d) tamarind water
5. 5.🧺 Which of these is not needed for the fizzy balloon? (a) a mirror (b) baking soda (c) vinegar (d) a balloon
6. 6.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the amount of vinegar (b) size of the balloon (c) the kind of balloon (d) spoons of baking soda
7. 7.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a funnel or spoon (c) a magnet (d) a comb
8. 8.🧺 Which of these is needed for the fizzy balloon? (a) a tray for spills (b) a magnet (c) a seed (d) a comb
9. 9.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we keep it the same (b) we change it (c) we measure it
10. 10.🫧 Which of these is an acid? (a) plain water (b) vinegar (c) sugar water (d) baking soda water
11. 11.True or false: sugar is needed for the fizzy balloon. (a) True (b) False
12. 12.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we measure it (b) we keep it the same (c) we change it
13. 13.True or false: a mirror is not needed for the fizzy balloon. (a) False (b) True
14. 14.🫧 Is tamarind water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
15. 15.🔮 The fizzing stops after a while. Why? (a) the balloon got cold (b) the gas froze (c) an ingredient ran out (d) the bottle got tired
16. 16.⚖️ 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
17. 17.🫧 Is orange juice an acid, a base or neutral? (a) neutral (b) a base (c) an acid
18. 18.True or false: a magnet is needed for the fizzy balloon. (a) False (b) True
19. 19.True or false: detergent water is an acid. (a) True (b) False
20. 20.🫧 Which of these is a base? (a) lemon juice (b) orange juice (c) baking soda water (d) curd
21. 21.🫧 Is vinegar an acid, a base or neutral? (a) a base (b) an acid (c) neutral
22. 22.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
23. 23.True or false: sugar water is a base. (a) True (b) False
24. 24.True or false: a tray for spills is not 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 “the same bottle”? (a) we measure it (b) we change it (c) we keep it the same
26. 26.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the kind of balloon (b) the amount of vinegar (c) size of the balloon (d) spoons of baking soda
27. 27.🛟 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
28. 28.🫧 Which of these is neutral? (a) vinegar (b) orange juice (c) plain water (d) tamarind water
29. 29.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is the one thing we change. (a) True (b) False
30. 30.🧺 Do we need a tray for spills for the fizzy balloon? (a) needed (b) not needed
31. 31.True or false: a balloon is needed for the fizzy balloon. (a) True (b) False
32. 32.🫧 Is salt water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
33. 33.🫧 Is plain water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
34. 34.True or false: curd is an acid. (a) False (b) True
35. 35.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) vinegar (c) a tray for spills (d) a mirror
36. 36.🧺 Do we need a balloon for the fizzy balloon? (a) needed (b) not needed
37. 37.🔮 Predict: you use plain water instead of vinegar. What happens? (a) the balloon bursts (b) very little fizzing (c) a huge eruption (d) it turns to honey
38. 38.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) keep it away from eyes (c) seal it in a glass jar (d) shake it near your face
39. 39.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
40. 40.⚖️ 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

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