Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 831 · 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 not needed for the fizzy balloon? (a) an empty bottle (b) a magnet (c) a tray for spills (d) vinegar
2. 2.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) it turns to ice (c) it glows in the dark (d) lots of fizzy bubbles
3. 3.🧺 Which of these is needed for the fizzy balloon? (a) a tray for spills (b) a comb (c) a mirror (d) a battery cell
4. 4.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a mirror (c) baking soda (d) a balloon
5. 5.🔍 Which is the odd one out? (a) tamarind water (b) curd (c) vinegar (d) baking soda water
6. 6.⚖️ 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 same bottle (d) the kind of balloon
7. 7.⚖️ 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
8. 8.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) baking soda (c) a balloon (d) a seed
9. 9.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) needed (b) not needed
10. 10.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) keep it away from eyes (c) seal it in a glass jar (d) shake it near your face
11. 11.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
12. 12.🔍 Which is the odd one out? (a) sugar water (b) plain water (c) vinegar (d) salt water
13. 13.⚖️ 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) True (b) False
14. 14.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) helium (c) hydrogen (d) carbon dioxide
15. 15.True or false: vinegar is neutral. (a) True (b) False
16. 16.🫧 Which of these is an acid? (a) sugar water (b) baking soda water (c) tamarind water (d) plain water
17. 17.True or false: plain water is an acid. (a) True (b) False
18. 18.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) rub it hard (c) rinse with clean water (d) add baking soda
19. 19.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) an ingredient ran out (c) the balloon got cold (d) the gas froze
20. 20.🫧 Which of these is neutral? (a) baking soda water (b) curd (c) tamarind water (d) salt water
21. 21.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) a mirror (c) a balloon (d) baking soda
22. 22.⚖️ 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) True (b) False
23. 23.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it grows bigger (b) it shrinks (c) there is no change (d) it turns blue
24. 24.🔍 Which is the odd one out? (a) salt water (b) plain water (c) sugar water (d) detergent water
25. 25.🫧 Is baking soda water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
26. 26.⚖️ 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 same bottle (c) size of the balloon
27. 27.True or false: an empty bottle is not needed for the fizzy balloon. (a) True (b) False
28. 28.⚖️ 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
29. 29.🎈 Why does the balloon blow up? (a) vinegar is hot (b) outside air gets in (c) the bottle shrinks (d) gas is made inside
30. 30.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) a tray for spills (c) a seed (d) a funnel or spoon
31. 31.🫧 Is detergent water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
32. 32.True or false: vinegar is an acid. (a) True (b) False
33. 33.🫧 Which of these is a base? (a) sugar water (b) salt water (c) baking soda water (d) tamarind water
34. 34.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
35. 35.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a funnel or spoon (c) baking soda (d) a battery cell
36. 36.🫧 Is vinegar an acid, a base or neutral? (a) an acid (b) neutral (c) a base
37. 37.True or false: orange juice is an acid. (a) False (b) True
38. 38.🫧 Which of these is a base? (a) plain water (b) sugar water (c) detergent water (d) curd
39. 39.🫧 Is plain water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
40. 40.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is what we measure. (a) True (b) False

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