Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 782 · 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: a mirror is not needed for the fizzy balloon. (a) False (b) True
2. 2.🫧 Which of these is an acid? (a) sugar water (b) plain water (c) tamarind water (d) detergent water
3. 3.🧺 Do we need sugar for the fizzy balloon? (a) not needed (b) needed
4. 4.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) an empty bottle (c) sugar (d) a funnel or spoon
5. 5.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we change it (b) we measure it (c) we keep it the same
6. 6.True or false: a mirror is needed for the fizzy balloon. (a) False (b) True
7. 7.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) False (b) True
8. 8.🫧 Is vinegar an acid, a base or neutral? (a) neutral (b) a base (c) an acid
9. 9.True or false: sugar is needed for the fizzy balloon. (a) False (b) True
10. 10.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) a tray for spills (c) baking soda (d) a mirror
11. 11.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
12. 12.🧺 Which of these is not needed for the fizzy balloon? (a) a comb (b) baking soda (c) a tray for spills (d) vinegar
13. 13.⚖️ 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
14. 14.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a comb (b) a funnel or spoon (c) an empty bottle (d) baking soda
15. 15.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) vinegar (c) a funnel or spoon (d) a seed
16. 16.⚖️ 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
17. 17.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) it turns blue (c) there is no change (d) it grows bigger
18. 18.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) the balloon bursts (c) very little fizzing (d) a huge eruption
19. 19.⚖️ 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
20. 20.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) carbon dioxide (c) hydrogen (d) helium
21. 21.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a mirror (c) an empty bottle (d) a magnet
22. 22.True or false: curd is an acid. (a) False (b) True
23. 23.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a funnel or spoon (c) a mirror (d) a tray for spills
24. 24.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the same bottle (b) spoons of baking soda (c) size of the balloon (d) the amount of vinegar
25. 25.🫧 Which of these is a base? (a) lemon juice (b) detergent water (c) orange juice (d) salt water
26. 26.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) baking soda (c) an empty bottle (d) a magnet
27. 27.🫧 Is curd an acid, a base or neutral? (a) neutral (b) an acid (c) a base
28. 28.🧺 Which of these is not needed for the fizzy balloon? (a) sugar (b) vinegar (c) a funnel or spoon (d) a tray for spills
29. 29.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) baking soda (c) a battery cell (d) a comb
30. 30.🔍 Which is the odd one out? (a) detergent water (b) soap solution (c) salt water (d) baking soda water
31. 31.True or false: detergent water is a base. (a) True (b) False
32. 32.🫧 Is detergent water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
33. 33.True or false: a funnel or spoon is needed for the fizzy balloon. (a) True (b) False
34. 34.⚖️ 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
35. 35.True or false: baking soda water is a base. (a) True (b) False
36. 36.True or false: a magnet is needed for the fizzy balloon. (a) True (b) False
37. 37.🫧 Which of these is an acid? (a) sugar water (b) detergent water (c) baking soda water (d) orange juice
38. 38.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) vinegar (c) a battery cell (d) an empty bottle
39. 39.⚖️ 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
40. 40.📘 Is the fizzing a sign that a new substance is made? (a) it is only dissolving (b) no, nothing changes (c) yes, a new gas forms (d) it is only melting

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