Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 399 · 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: size of the balloon is what we measure. (a) False (b) True
2. 2.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a magnet (c) baking soda (d) a tray for spills
3. 3.True or false: a comb is needed for the fizzy balloon. (a) False (b) True
4. 4.🫧 Which of these is an acid? (a) detergent water (b) sugar water (c) plain water (d) curd
5. 5.⚖️ 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
6. 6.🫧 Is detergent water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
7. 7.🫧 Is orange juice an acid, a base or neutral? (a) neutral (b) a base (c) an acid
8. 8.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) rinse with clean water (c) add baking soda (d) ignore it
9. 9.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we keep it the same (b) we measure it (c) we change it
10. 10.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) put it in your mouth (c) seal it in a glass jar (d) keep it away from eyes
11. 11.🔍 Which is the odd one out? (a) baking soda water (b) detergent water (c) soap solution (d) sugar water
12. 12.🫧 What do you see when baking soda meets vinegar? (a) it turns to ice (b) lots of fizzy bubbles (c) it glows in the dark (d) nothing at all
13. 13.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
14. 14.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is what we measure. (a) False (b) True
15. 15.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
16. 16.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a balloon (c) a mirror (d) a tray for spills
17. 17.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) an empty bottle (c) baking soda (d) a seed
18. 18.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a seed (c) vinegar (d) a battery cell
19. 19.⚖️ 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
20. 20.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) size of the balloon (b) the kind of balloon (c) the amount of vinegar (d) spoons of baking soda
21. 21.True or false: lemon juice is a base. (a) False (b) True
22. 22.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) sugar (c) baking soda (d) an empty bottle
23. 23.🔍 Which is the odd one out? (a) vinegar (b) orange juice (c) plain water (d) lemon juice
24. 24.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) an empty bottle (c) sugar (d) a battery cell
25. 25.⚖️ 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) spoons of baking soda (d) size of the balloon
26. 26.🔍 Which is the odd one out? (a) plain water (b) salt water (c) detergent water (d) sugar water
27. 27.🔮 The fizzing stops after a while. Why? (a) the balloon got cold (b) the bottle got tired (c) an ingredient ran out (d) the gas froze
28. 28.True or false: baking soda is not needed for the fizzy balloon. (a) False (b) True
29. 29.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) carbon dioxide (b) helium (c) hydrogen (d) oxygen
30. 30.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) it turns blue (c) it grows bigger (d) there is no change
31. 31.🫧 Which of these is neutral? (a) sugar water (b) tamarind water (c) detergent water (d) baking soda water
32. 32.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we change it (b) we measure it (c) we keep it the same
33. 33.True or false: tamarind water is a base. (a) True (b) False
34. 34.🔍 Which is the odd one out? (a) curd (b) salt water (c) tamarind water (d) vinegar
35. 35.🧺 Do we need a tray for spills for the fizzy balloon? (a) needed (b) not needed
36. 36.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is what we measure. (a) False (b) True
37. 37.🫧 Is curd an acid, a base or neutral? (a) a base (b) neutral (c) an acid
38. 38.⚖️ 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) False (b) True
39. 39.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) False (b) True
40. 40.🫧 Which of these is a base? (a) detergent water (b) orange juice (c) vinegar (d) lemon juice

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