Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 721 · 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.🔍 Which is the odd one out? (a) vinegar (b) lemon juice (c) curd (d) salt water
2. 2.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a tray for spills (c) a balloon (d) a seed
3. 3.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) spoons of baking soda (b) the kind of balloon (c) the same bottle (d) size of the balloon
4. 4.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) baking soda (c) a tray for spills (d) sugar
5. 5.📘 Is the fizzing a sign that a new substance is made? (a) it is only dissolving (b) no, nothing changes (c) it is only melting (d) yes, a new gas forms
6. 6.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) True (b) False
7. 7.🫧 Is vinegar an acid, a base or neutral? (a) a base (b) an acid (c) neutral
8. 8.🧺 Do we need a battery cell for the fizzy balloon? (a) needed (b) not needed
9. 9.🔍 Which is the odd one out? (a) vinegar (b) curd (c) lemon juice (d) soap solution
10. 10.🫧 Which of these is an acid? (a) salt water (b) orange juice (c) sugar water (d) soap solution
11. 11.🫧 Which of these is a base? (a) curd (b) plain water (c) tamarind water (d) soap solution
12. 12.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they freeze (b) they react (c) they become magnets (d) they float apart
13. 13.🫧 Which of these is an acid? (a) plain water (b) detergent water (c) curd (d) soap solution
14. 14.🧺 Do we need sugar for the fizzy balloon? (a) not needed (b) needed
15. 15.⚖️ 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
16. 16.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a funnel or spoon (c) a tray for spills (d) a comb
17. 17.🫧 Is plain water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
18. 18.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we measure it (b) we change it (c) we keep it the same
19. 19.⚖️ 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
20. 20.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
21. 21.⚖️ 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) size of the balloon (d) spoons of baking soda
22. 22.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) add baking soda (c) ignore it (d) rinse with clean water
23. 23.🎈 Why does the balloon blow up? (a) vinegar is hot (b) the bottle shrinks (c) gas is made inside (d) outside air gets in
24. 24.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) baking soda (c) a funnel or spoon (d) sugar
25. 25.🫧 Which of these is a base? (a) sugar water (b) orange juice (c) baking soda water (d) tamarind water
26. 26.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is what we measure. (a) False (b) True
27. 27.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) vinegar (c) baking soda (d) a magnet
28. 28.🔍 Which is the odd one out? (a) curd (b) tamarind water (c) orange juice (d) baking soda water
29. 29.True or false: curd is a base. (a) False (b) True
30. 30.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
31. 31.🧺 Do we need vinegar for the fizzy balloon? (a) needed (b) not needed
32. 32.True or false: an empty bottle is needed for the fizzy balloon. (a) False (b) True
33. 33.🫧 Which of these is neutral? (a) sugar water (b) vinegar (c) soap solution (d) lemon juice
34. 34.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) needed (b) not needed
35. 35.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) baking soda (c) a tray for spills (d) a battery cell
36. 36.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) a mirror (c) vinegar (d) baking soda
37. 37.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it grows bigger (b) there is no change (c) it shrinks (d) it turns blue
38. 38.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) baking soda (c) a balloon (d) a seed
39. 39.True or false: a tray for spills is not needed for the fizzy balloon. (a) False (b) True
40. 40.⚖️ 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 change it (c) we measure it

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