Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 670 · 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) baking soda (b) a magnet (c) a tray for spills (d) vinegar
2. 2.🫧 Which of these is a base? (a) lemon juice (b) soap solution (c) curd (d) tamarind water
3. 3.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it turns blue (b) it shrinks (c) there is no change (d) it grows bigger
4. 4.🔍 Which is the odd one out? (a) plain water (b) sugar water (c) salt water (d) vinegar
5. 5.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is kept the same. (a) True (b) False
6. 6.True or false: detergent water is neutral. (a) False (b) True
7. 7.⚖️ 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 amount of vinegar (c) spoons of baking soda (d) the same bottle
8. 8.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) put it in your mouth (c) keep it away from eyes (d) shake it near your face
9. 9.True or false: curd is a base. (a) True (b) False
10. 10.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a funnel or spoon (c) a mirror (d) sugar
11. 11.⚖️ 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) the same bottle (c) the kind of balloon (d) spoons of baking soda
12. 12.🔍 Which is the odd one out? (a) sugar water (b) plain water (c) soap solution (d) salt water
13. 13.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) size of the balloon (b) spoons of baking soda (c) the same bottle
14. 14.🫧 Is detergent water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
15. 15.🔍 Which is the odd one out? (a) baking soda water (b) salt water (c) plain water (d) sugar water
16. 16.⚖️ 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 kind of balloon (c) size of the balloon
17. 17.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a magnet (b) a tray for spills (c) baking soda (d) an empty bottle
18. 18.🫧 Which of these is a base? (a) orange juice (b) tamarind water (c) salt water (d) baking soda water
19. 19.⚖️ 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
20. 20.🛟 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
21. 21.🧺 Do we need a seed for the fizzy balloon? (a) not needed (b) needed
22. 22.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we measure it (b) we keep it the same (c) we change it
23. 23.True or false: baking soda is not needed for the fizzy balloon. (a) False (b) True
24. 24.True or false: plain water is an acid. (a) False (b) True
25. 25.🫧 Which of these is an acid? (a) soap solution (b) salt water (c) baking soda water (d) lemon juice
26. 26.🧺 Do we need a tray for spills for the fizzy balloon? (a) needed (b) not needed
27. 27.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) baking soda (c) a tray for spills (d) a comb
28. 28.True or false: a seed is needed for the fizzy balloon. (a) False (b) True
29. 29.🔍 Which is the odd one out? (a) orange juice (b) plain water (c) tamarind water (d) lemon juice
30. 30.🔍 Which is the odd one out? (a) detergent water (b) soap solution (c) sugar water (d) baking soda water
31. 31.⚖️ 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
32. 32.🫧 Which of these is an acid? (a) baking soda water (b) detergent water (c) tamarind water (d) soap solution
33. 33.🔍 Which is the odd one out? (a) soap solution (b) salt water (c) baking soda water (d) detergent water
34. 34.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) hydrogen (b) helium (c) oxygen (d) carbon dioxide
35. 35.🔮 Predict: you use plain water instead of vinegar. What happens? (a) very little fizzing (b) the balloon bursts (c) it turns to honey (d) a huge eruption
36. 36.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
37. 37.📘 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 melting (d) it is only dissolving
38. 38.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) baking soda (c) a tray for spills (d) a seed
39. 39.True or false: orange juice is neutral. (a) False (b) True
40. 40.🫧 Is salt water an acid, a base or neutral? (a) a base (b) an acid (c) neutral

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