Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 902 · 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? What do we do with “size of the balloon”? (a) we measure it (b) we keep it the same (c) we change it
2. 2.🫧 Which of these is a base? (a) plain water (b) baking soda water (c) orange juice (d) curd
3. 3.True or false: detergent water is neutral. (a) False (b) True
4. 4.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the amount of vinegar (b) spoons of baking soda (c) size of the balloon
5. 5.True or false: plain water is a base. (a) False (b) True
6. 6.🔍 Which is the odd one out? (a) detergent water (b) soap solution (c) baking soda water (d) plain water
7. 7.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a tray for spills (c) a seed (d) vinegar
8. 8.🫧 Which of these is a base? (a) salt water (b) curd (c) soap solution (d) vinegar
9. 9.True or false: a balloon is not needed for the fizzy balloon. (a) True (b) False
10. 10.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is the one thing we change. (a) False (b) True
11. 11.📘 Is the fizzing a sign that a new substance is made? (a) it is only melting (b) no, nothing changes (c) it is only dissolving (d) yes, a new gas forms
12. 12.🔍 Which is the odd one out? (a) baking soda water (b) detergent water (c) soap solution (d) orange juice
13. 13.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a battery cell (c) baking soda (d) sugar
14. 14.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a battery cell (c) baking soda (d) a tray for spills
15. 15.True or false: detergent water is an acid. (a) True (b) False
16. 16.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) an empty bottle (c) vinegar (d) sugar
17. 17.🫧 Which of these is an acid? (a) soap solution (b) lemon juice (c) plain water (d) baking soda water
18. 18.🔍 Which is the odd one out? (a) vinegar (b) orange juice (c) soap solution (d) lemon juice
19. 19.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) hydrogen (c) helium (d) carbon dioxide
20. 20.🫧 Is lemon juice an acid, a base or neutral? (a) a base (b) an acid (c) neutral
21. 21.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) ignore it (c) rinse with clean water (d) rub it hard
22. 22.True or false: a seed is needed for the fizzy balloon. (a) True (b) False
23. 23.True or false: an empty bottle is needed for the fizzy balloon. (a) True (b) False
24. 24.⚖️ 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 change it (c) we keep it the same
25. 25.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a comb (c) a mirror (d) vinegar
26. 26.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they float apart (b) they react (c) they freeze (d) they become magnets
27. 27.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) keep it away from eyes (c) seal it in a glass jar (d) put it in your mouth
28. 28.🫧 What do you see when baking soda meets vinegar? (a) it glows in the dark (b) lots of fizzy bubbles (c) nothing at all (d) it turns to ice
29. 29.⚖️ 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) spoons of baking soda (c) size of the balloon (d) the amount of vinegar
30. 30.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a magnet (b) an empty bottle (c) baking soda (d) a funnel or spoon
31. 31.True or false: a magnet is needed for the fizzy balloon. (a) False (b) True
32. 32.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is what we measure. (a) True (b) False
33. 33.True or false: soap solution is an acid. (a) True (b) False
34. 34.🫧 Is orange juice an acid, a base or neutral? (a) an acid (b) a base (c) neutral
35. 35.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) very little fizzing (c) a huge eruption (d) the balloon bursts
36. 36.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is kept the same. (a) False (b) True
37. 37.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we keep it the same (b) we change it (c) we measure it
38. 38.⚖️ 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
39. 39.🫧 Is tamarind water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
40. 40.🫧 Which of these is a base? (a) detergent water (b) plain water (c) orange juice (d) lemon juice

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