Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 295 · 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? Which of these is kept the same? (a) spoons of baking soda (b) the kind of balloon (c) size of the balloon
2. 2.🫧 Which of these is a base? (a) salt water (b) detergent water (c) curd (d) plain water
3. 3.True or false: sugar is needed for the fizzy balloon. (a) True (b) False
4. 4.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) baking soda (c) an empty bottle (d) a magnet
5. 5.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
6. 6.True or false: a balloon is not needed for the fizzy balloon. (a) False (b) True
7. 7.🫧 Is salt water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
8. 8.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a tray for spills (c) vinegar (d) a battery cell
9. 9.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) rinse with clean water (c) add baking soda (d) rub it hard
10. 10.🔍 Which is the odd one out? (a) detergent water (b) orange juice (c) soap solution (d) baking soda water
11. 11.🫧 Which of these is a base? (a) curd (b) baking soda water (c) tamarind water (d) vinegar
12. 12.True or false: a battery cell is needed for the fizzy balloon. (a) False (b) True
13. 13.🔮 The fizzing stops after a while. Why? (a) an ingredient ran out (b) the balloon got cold (c) the gas froze (d) the bottle got tired
14. 14.True or false: sugar is not needed for the fizzy balloon. (a) False (b) True
15. 15.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) helium (c) carbon dioxide (d) hydrogen
16. 16.True or false: vinegar is an acid. (a) False (b) True
17. 17.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) spoons of baking soda (b) the amount of vinegar (c) size of the balloon (d) the kind of balloon
18. 18.True or false: a mirror is not needed for the fizzy balloon. (a) True (b) False
19. 19.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
20. 20.🎈 Why does the balloon blow up? (a) gas is made inside (b) vinegar is hot (c) the bottle shrinks (d) outside air gets in
21. 21.🔍 Which is the odd one out? (a) vinegar (b) plain water (c) sugar water (d) salt water
22. 22.🫧 Is detergent water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
23. 23.🫧 Is lemon juice an acid, a base or neutral? (a) a base (b) neutral (c) an acid
24. 24.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) vinegar (c) a funnel or spoon (d) a mirror
25. 25.True or false: tamarind water is neutral. (a) False (b) True
26. 26.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a magnet (c) a tray for spills (d) a comb
27. 27.True or false: vinegar is neutral. (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 measure it (b) we keep it the same (c) we change it
29. 29.🔍 Which is the odd one out? (a) plain water (b) salt water (c) sugar water (d) soap solution
30. 30.True or false: an empty bottle is not needed for the fizzy balloon. (a) False (b) True
31. 31.True or false: a magnet is needed for the fizzy balloon. (a) False (b) True
32. 32.True or false: tamarind water is a base. (a) True (b) False
33. 33.🫧 Is tamarind water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
34. 34.🔍 Which is the odd one out? (a) orange juice (b) lemon juice (c) plain water (d) vinegar
35. 35.🔍 Which is the odd one out? (a) salt water (b) curd (c) lemon juice (d) vinegar
36. 36.🔮 Predict: you use plain water instead of vinegar. What happens? (a) very little fizzing (b) the balloon bursts (c) a huge eruption (d) it turns to honey
37. 37.📘 Is the fizzing a sign that a new substance is made? (a) it is only melting (b) it is only dissolving (c) yes, a new gas forms (d) no, nothing changes
38. 38.🔍 Which is the odd one out? (a) lemon juice (b) salt water (c) sugar water (d) plain water
39. 39.🫧 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
40. 40.🔍 Which is the odd one out? (a) curd (b) soap solution (c) detergent water (d) baking soda water

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