Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 796 · 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 baking soda for the fizzy balloon? (a) needed (b) not needed
2. 2.True or false: an empty bottle is needed for the fizzy balloon. (a) False (b) True
3. 3.🫧 Is vinegar an acid, a base or neutral? (a) an acid (b) a base (c) neutral
4. 4.⚖️ 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 change it (c) we keep it the same
5. 5.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a battery cell (c) baking soda (d) a balloon
6. 6.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a funnel or spoon (c) a tray for spills (d) a mirror
7. 7.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) helium (c) hydrogen (d) carbon dioxide
8. 8.🧺 Do we need a tray for spills for the fizzy balloon? (a) needed (b) not needed
9. 9.⚖️ 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
10. 10.🫧 Is lemon juice an acid, a base or neutral? (a) neutral (b) an acid (c) a base
11. 11.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a funnel or spoon (c) a comb (d) a mirror
12. 12.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is what we measure. (a) False (b) True
13. 13.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they float apart (b) they react (c) they become magnets (d) they freeze
14. 14.True or false: curd is an acid. (a) True (b) False
15. 15.📘 Is the fizzing a sign that a new substance is made? (a) it is only melting (b) yes, a new gas forms (c) it is only dissolving (d) no, nothing changes
16. 16.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
17. 17.🔍 Which is the odd one out? (a) tamarind water (b) vinegar (c) salt water (d) curd
18. 18.True or false: a mirror is not needed for the fizzy balloon. (a) False (b) True
19. 19.🫧 Which of these is neutral? (a) lemon juice (b) salt water (c) vinegar (d) tamarind water
20. 20.🔍 Which is the odd one out? (a) plain water (b) sugar water (c) salt water (d) lemon juice
21. 21.⚖️ 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
22. 22.⚖️ 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
23. 23.True or false: vinegar is an acid. (a) True (b) False
24. 24.🫧 Is tamarind water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
25. 25.True or false: detergent water is a base. (a) True (b) False
26. 26.True or false: baking soda is needed for the fizzy balloon. (a) False (b) True
27. 27.⚖️ 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 measure it (c) we change it
28. 28.🔍 Which is the odd one out? (a) curd (b) detergent water (c) baking soda water (d) soap solution
29. 29.⚖️ 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
30. 30.🔮 The fizzing stops after a while. Why? (a) an ingredient ran out (b) the balloon got cold (c) the gas froze (d) the bottle got tired
31. 31.🧺 Which of these is not needed for the fizzy balloon? (a) a comb (b) an empty bottle (c) a funnel or spoon (d) a tray for spills
32. 32.🫧 Which of these is an acid? (a) baking soda water (b) detergent water (c) soap solution (d) vinegar
33. 33.⚖️ 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
34. 34.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) baking soda (c) a comb (d) vinegar
35. 35.True or false: soap solution is a base. (a) True (b) False
36. 36.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is kept the same. (a) False (b) True
37. 37.⚖️ 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
38. 38.⚖️ 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) spoons of baking soda (d) the kind of balloon
39. 39.⚖️ 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
40. 40.⚖️ 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 measure it (c) we change it

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