Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 401 · 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: plain water is an acid. (a) False (b) True
2. 2.📘 Is the fizzing a sign that a new substance is made? (a) no, nothing changes (b) it is only melting (c) yes, a new gas forms (d) it is only dissolving
3. 3.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is the one thing we change. (a) False (b) True
4. 4.🧺 Which of these is not needed for the fizzy balloon? (a) a magnet (b) vinegar (c) a tray for spills (d) a funnel or spoon
5. 5.🔮 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
6. 6.🧺 Do we need a seed for the fizzy balloon? (a) needed (b) not needed
7. 7.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a comb (c) vinegar (d) a tray for spills
8. 8.⚖️ 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) the same bottle (c) spoons of baking soda (d) the kind of balloon
9. 9.🫧 Is orange juice an acid, a base or neutral? (a) an acid (b) a base (c) neutral
10. 10.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) vinegar (c) a seed (d) an empty bottle
11. 11.🫧 Which of these is neutral? (a) salt water (b) curd (c) tamarind water (d) vinegar
12. 12.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) hydrogen (b) helium (c) carbon dioxide (d) oxygen
13. 13.🧺 Which of these is not needed for the fizzy balloon? (a) a battery cell (b) an empty bottle (c) a tray for spills (d) a funnel or spoon
14. 14.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they float apart (b) they freeze (c) they become magnets (d) they react
15. 15.⚖️ 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 change it (c) we measure it
16. 16.🫧 Is salt water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
17. 17.🫧 Which of these is an acid? (a) detergent water (b) curd (c) sugar water (d) soap solution
18. 18.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we change it (b) we measure it (c) we keep it the same
19. 19.⚖️ 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
20. 20.⚖️ 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
21. 21.True or false: an empty bottle is needed for the fizzy balloon. (a) False (b) True
22. 22.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a mirror (c) a magnet (d) baking soda
23. 23.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a balloon (c) a tray for spills (d) a magnet
24. 24.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a seed (c) an empty bottle (d) a balloon
25. 25.True or false: vinegar is not needed for the fizzy balloon. (a) True (b) False
26. 26.🫧 Which of these is a base? (a) tamarind water (b) orange juice (c) soap solution (d) sugar water
27. 27.🧺 Do we need a mirror for the fizzy balloon? (a) needed (b) not needed
28. 28.🫧 Is lemon juice an acid, a base or neutral? (a) an acid (b) neutral (c) a base
29. 29.🧺 Do we need sugar for the fizzy balloon? (a) not needed (b) needed
30. 30.🎈 Why does the balloon blow up? (a) the bottle shrinks (b) vinegar is hot (c) outside air gets in (d) gas is made inside
31. 31.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we measure it (b) we keep it the same (c) we change it
32. 32.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a funnel or spoon (c) a battery cell (d) baking soda
33. 33.True or false: lemon juice is an acid. (a) False (b) True
34. 34.🔍 Which is the odd one out? (a) orange juice (b) curd (c) lemon juice (d) plain water
35. 35.🫧 Is curd an acid, a base or neutral? (a) a base (b) neutral (c) an acid
36. 36.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is the one thing we change. (a) False (b) True
37. 37.True or false: sugar water is an acid. (a) True (b) False
38. 38.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a funnel or spoon (c) a balloon (d) a mirror
39. 39.🫧 Which of these is an acid? (a) salt water (b) baking soda water (c) detergent water (d) tamarind water
40. 40.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is the one thing we change. (a) False (b) True

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