Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 588 · 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 kept the same. (a) False (b) True
2. 2.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a funnel or spoon (c) a battery cell (d) baking soda
3. 3.🫧 Which of these is neutral? (a) curd (b) detergent water (c) tamarind water (d) sugar water
4. 4.⚖️ 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
5. 5.🫧 Which of these is an acid? (a) lemon juice (b) plain water (c) salt water (d) sugar water
6. 6.🔮 The fizzing stops after a while. Why? (a) the balloon got cold (b) the gas froze (c) the bottle got tired (d) an ingredient ran out
7. 7.🫧 Which of these is a base? (a) lemon juice (b) sugar water (c) soap solution (d) vinegar
8. 8.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a mirror (b) a balloon (c) baking soda (d) a funnel or spoon
9. 9.🔍 Which is the odd one out? (a) salt water (b) curd (c) sugar water (d) plain water
10. 10.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) ignore it (c) rub it hard (d) rinse with clean water
11. 11.🫧 Is baking soda water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
12. 12.🧺 Do we need a seed for the fizzy balloon? (a) not needed (b) needed
13. 13.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we change it (b) we keep it the same (c) we measure it
14. 14.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a comb (c) baking soda (d) a magnet
15. 15.🔍 Which is the odd one out? (a) baking soda water (b) detergent water (c) soap solution (d) plain water
16. 16.🫧 What do you see when baking soda meets vinegar? (a) lots of fizzy bubbles (b) nothing at all (c) it glows in the dark (d) it turns to ice
17. 17.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the amount of vinegar (b) spoons of baking soda (c) size of the balloon (d) the same bottle
18. 18.📘 Is the fizzing a sign that a new substance is made? (a) yes, a new gas forms (b) no, nothing changes (c) it is only dissolving (d) it is only melting
19. 19.🔍 Which is the odd one out? (a) detergent water (b) soap solution (c) vinegar (d) baking soda water
20. 20.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a magnet (c) a balloon (d) sugar
21. 21.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a magnet (c) baking soda (d) a balloon
22. 22.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it turns blue (b) it grows bigger (c) it shrinks (d) there is no change
23. 23.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) size of the balloon (b) the amount of vinegar (c) spoons of baking soda
24. 24.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) True (b) False
25. 25.True or false: a magnet is needed for the fizzy balloon. (a) True (b) False
26. 26.True or false: an empty bottle is not needed for the fizzy balloon. (a) True (b) False
27. 27.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) the balloon bursts (c) very little fizzing (d) it turns to honey
28. 28.🧺 Do we need sugar for the fizzy balloon? (a) not needed (b) needed
29. 29.🎈 Why does the balloon blow up? (a) gas is made inside (b) the bottle shrinks (c) outside air gets in (d) vinegar is hot
30. 30.🔍 Which is the odd one out? (a) lemon juice (b) sugar water (c) plain water (d) salt water
31. 31.True or false: curd is an acid. (a) False (b) True
32. 32.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) vinegar (c) baking soda (d) a comb
33. 33.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) sugar (c) a funnel or spoon (d) a seed
34. 34.True or false: an empty bottle is needed for the fizzy balloon. (a) False (b) True
35. 35.🔍 Which is the odd one out? (a) detergent water (b) sugar water (c) soap solution (d) baking soda water
36. 36.🫧 Which of these is a base? (a) lemon juice (b) curd (c) vinegar (d) detergent water
37. 37.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) keep it away from eyes (c) put it in your mouth (d) seal it in a glass jar
38. 38.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a seed (c) an empty bottle (d) sugar
39. 39.🫧 Is sugar water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
40. 40.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we change it (b) we measure it (c) we keep it the same

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