Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 482 · 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 of these is needed for the fizzy balloon? (a) a mirror (b) vinegar (c) a comb (d) sugar
2. 2.🔍 Which is the odd one out? (a) lemon juice (b) vinegar (c) tamarind water (d) baking soda water
3. 3.True or false: a tray for spills is not needed for the fizzy balloon. (a) False (b) True
4. 4.🫧 Which of these is an acid? (a) baking soda water (b) curd (c) soap solution (d) plain water
5. 5.True or false: baking soda is not needed for the fizzy balloon. (a) False (b) True
6. 6.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a battery cell (b) a balloon (c) baking soda (d) an empty bottle
7. 7.True or false: a balloon is not needed for the fizzy balloon. (a) True (b) False
8. 8.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the kind of balloon (b) size of the balloon (c) the amount of vinegar (d) spoons of baking soda
9. 9.⚖️ 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 keep it the same (c) we change it
10. 10.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) carbon dioxide (c) hydrogen (d) helium
11. 11.📘 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
12. 12.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) it grows bigger (c) it turns blue (d) there is no change
13. 13.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
14. 14.🫧 Which of these is neutral? (a) salt water (b) vinegar (c) baking soda water (d) orange juice
15. 15.⚖️ 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 change it (c) we measure it
16. 16.🧺 Which of these is not needed for the fizzy balloon? (a) a magnet (b) baking soda (c) a tray for spills (d) vinegar
17. 17.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we measure it (b) we change it (c) we keep it the same
18. 18.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
19. 19.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) shake it near your face (c) keep it away from eyes (d) put it in your mouth
20. 20.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) sugar (c) baking soda (d) an empty bottle
21. 21.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a tray for spills (c) sugar (d) a comb
22. 22.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) the balloon got cold (c) the gas froze (d) an ingredient ran out
23. 23.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
24. 24.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they become magnets (b) they react (c) they float apart (d) they freeze
25. 25.⚖️ 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
26. 26.True or false: an empty bottle is not needed for the fizzy balloon. (a) False (b) True
27. 27.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a tray for spills (c) a balloon (d) a comb
28. 28.🧺 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 magnet
29. 29.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) rinse with clean water (c) ignore it (d) rub it hard
30. 30.🎈 Why does the balloon blow up? (a) gas is made inside (b) the bottle shrinks (c) vinegar is hot (d) outside air gets in
31. 31.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a magnet (c) a mirror (d) a funnel or spoon
32. 32.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a tray for spills (c) baking soda (d) a seed
33. 33.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the kind of balloon (b) the same bottle (c) size of the balloon (d) spoons of baking soda
34. 34.True or false: a battery cell is needed for the fizzy balloon. (a) True (b) False
35. 35.🫧 Is baking soda water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
36. 36.🫧 Is orange juice an acid, a base or neutral? (a) an acid (b) a base (c) neutral
37. 37.True or false: baking soda water is an acid. (a) False (b) True
38. 38.🫧 Which of these is a base? (a) lemon juice (b) baking soda water (c) salt water (d) tamarind water
39. 39.🫧 Is vinegar an acid, a base or neutral? (a) a base (b) neutral (c) an acid
40. 40.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) it turns to ice (c) lots of fizzy bubbles (d) it glows in the dark

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