Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 478 · 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.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
2. 2.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a tray for spills (c) a battery cell (d) vinegar
3. 3.True or false: plain water is a base. (a) False (b) True
4. 4.⚖️ 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
5. 5.🔍 Which is the odd one out? (a) curd (b) tamarind water (c) baking soda water (d) vinegar
6. 6.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is what we measure. (a) True (b) False
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 measure it (c) we keep it the same
8. 8.⚖️ 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
9. 9.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is what we measure. (a) True (b) False
10. 10.True or false: a comb is not needed for the fizzy balloon. (a) False (b) True
11. 11.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is what we measure. (a) True (b) False
12. 12.🫧 Is sugar water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
13. 13.⚖️ 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
14. 14.🔮 Predict: you use plain water instead of vinegar. What happens? (a) very little fizzing (b) it turns to honey (c) the balloon bursts (d) a huge eruption
15. 15.⚖️ 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
16. 16.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) a comb (c) an empty bottle (d) vinegar
17. 17.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) put it in your mouth (c) keep it away from eyes (d) seal it in a glass jar
18. 18.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a magnet (c) a balloon (d) baking soda
19. 19.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a seed (b) vinegar (c) an empty bottle (d) baking soda
20. 20.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a comb (c) sugar (d) vinegar
21. 21.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) ignore it (c) rinse with clean water (d) add baking soda
22. 22.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) carbon dioxide (c) helium (d) hydrogen
23. 23.True or false: a tray for spills is needed for the fizzy balloon. (a) True (b) False
24. 24.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a seed (c) baking soda (d) a magnet
25. 25.⚖️ 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
26. 26.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we keep it the same (b) we measure it (c) we change it
27. 27.🫧 Which of these is an acid? (a) baking soda water (b) salt water (c) plain water (d) curd
28. 28.🔮 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
29. 29.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is kept the same. (a) False (b) True
30. 30.⚖️ 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) spoons of baking soda (c) the same bottle (d) the kind of balloon
31. 31.True or false: a magnet is needed for the fizzy balloon. (a) False (b) True
32. 32.🧺 Do we need a magnet for the fizzy balloon? (a) needed (b) not needed
33. 33.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is kept the same. (a) True (b) False
34. 34.True or false: vinegar is neutral. (a) False (b) True
35. 35.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a balloon (c) a funnel or spoon (d) sugar
36. 36.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they become magnets (b) they float apart (c) they freeze (d) they react
37. 37.🫧 Is baking soda water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
38. 38.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) sugar (b) an empty bottle (c) vinegar (d) a tray for spills
39. 39.🔮 The fizzing stops after a while. Why? (a) the gas froze (b) an ingredient ran out (c) the balloon got cold (d) the bottle got tired
40. 40.True or false: sugar water is neutral. (a) False (b) True

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