Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 311 · 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.⚖️ 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
2. 2.🫧 Which of these is a base? (a) sugar water (b) soap solution (c) tamarind water (d) curd
3. 3.True or false: salt water is a base. (a) True (b) False
4. 4.🧺 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) sugar
5. 5.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a magnet (c) baking soda (d) an empty bottle
6. 6.🎈 Why does the balloon blow up? (a) outside air gets in (b) gas is made inside (c) vinegar is hot (d) the bottle shrinks
7. 7.🫧 Which of these is an acid? (a) baking soda water (b) plain water (c) vinegar (d) soap solution
8. 8.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the amount of vinegar (b) the kind of balloon (c) spoons of baking soda (d) size of the balloon
9. 9.True or false: vinegar is needed for the fizzy balloon. (a) False (b) True
10. 10.🫧 Which of these is an acid? (a) orange juice (b) baking soda water (c) salt water (d) detergent water
11. 11.⚖️ 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 kind of balloon (d) size of the balloon
12. 12.🫧 Is vinegar an acid, a base or neutral? (a) an acid (b) a base (c) neutral
13. 13.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) True (b) False
14. 14.True or false: an empty bottle is needed for the fizzy balloon. (a) True (b) False
15. 15.🫧 Which of these is a base? (a) curd (b) plain water (c) baking soda water (d) sugar water
16. 16.🧺 Do we need a battery cell for the fizzy balloon? (a) needed (b) not needed
17. 17.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
18. 18.🫧 Which of these is an acid? (a) soap solution (b) plain water (c) sugar water (d) tamarind water
19. 19.🔍 Which is the odd one out? (a) tamarind water (b) baking soda water (c) curd (d) vinegar
20. 20.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) there is no change (c) it grows bigger (d) it turns blue
21. 21.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they become magnets (b) they freeze (c) they float apart (d) they react
22. 22.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) needed (b) not needed
23. 23.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a balloon (c) an empty bottle (d) a mirror
24. 24.📘 Is the fizzing a sign that a new substance is made? (a) no, nothing changes (b) yes, a new gas forms (c) it is only dissolving (d) it is only melting
25. 25.⚖️ 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
26. 26.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) size of the balloon (b) spoons of baking soda (c) the same bottle
27. 27.True or false: vinegar is not needed for the fizzy balloon. (a) True (b) False
28. 28.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) spoons of baking soda (b) the kind of balloon (c) size of the balloon
29. 29.True or false: a tray for spills is needed for the fizzy balloon. (a) False (b) True
30. 30.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
31. 31.🫧 Which of these is neutral? (a) tamarind water (b) orange juice (c) vinegar (d) salt water
32. 32.🧺 Which of these is needed for the fizzy balloon? (a) vinegar (b) a seed (c) sugar (d) a comb
33. 33.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) an empty bottle (c) a tray for spills (d) a mirror
34. 34.🫧 Which of these is an acid? (a) soap solution (b) curd (c) baking soda water (d) sugar water
35. 35.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we keep it the same (b) we measure it (c) we change it
36. 36.True or false: curd is a base. (a) True (b) False
37. 37.True or false: baking soda water is neutral. (a) True (b) False
38. 38.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a magnet (c) a funnel or spoon (d) a balloon
39. 39.⚖️ 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
40. 40.🔍 Which is the odd one out? (a) curd (b) lemon juice (c) salt water (d) orange juice

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