Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 368 · 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 is the odd one out? (a) curd (b) orange juice (c) tamarind water (d) baking soda water
2. 2.🫧 Is baking soda water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
3. 3.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the same bottle (b) spoons of baking soda (c) size of the balloon (d) the amount of vinegar
4. 4.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) the gas froze (c) an ingredient ran out (d) the balloon got cold
5. 5.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the kind of balloon (b) size of the balloon (c) spoons of baking soda (d) the same bottle
6. 6.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) rub it hard (c) rinse with clean water (d) add baking soda
7. 7.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is kept the same. (a) False (b) True
8. 8.🫧 Is orange juice an acid, a base or neutral? (a) an acid (b) neutral (c) a base
9. 9.⚖️ 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
10. 10.🫧 Which of these is an acid? (a) salt water (b) baking soda water (c) tamarind water (d) detergent water
11. 11.🫧 Is detergent water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
12. 12.⚖️ 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
13. 13.🫧 Is vinegar an acid, a base or neutral? (a) a base (b) neutral (c) an acid
14. 14.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we measure it (b) we change it (c) we keep it the same
15. 15.🧺 Which of these is not needed for the fizzy balloon? (a) a seed (b) a balloon (c) baking soda (d) an empty bottle
16. 16.True or false: baking soda is not needed for the fizzy balloon. (a) False (b) True
17. 17.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
18. 18.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
19. 19.🫧 Which of these is neutral? (a) tamarind water (b) salt water (c) baking soda water (d) lemon juice
20. 20.🔮 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
21. 21.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) it grows bigger (c) there is no change (d) it turns blue
22. 22.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we keep it the same (b) we change it (c) we measure it
23. 23.True or false: baking soda water is a base. (a) True (b) False
24. 24.True or false: an empty bottle is not needed for the fizzy balloon. (a) False (b) True
25. 25.🫧 What do you see when baking soda meets vinegar? (a) it turns to ice (b) it glows in the dark (c) lots of fizzy bubbles (d) nothing at all
26. 26.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) sugar (c) vinegar (d) a magnet
27. 27.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they react (b) they freeze (c) they become magnets (d) they float apart
28. 28.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a battery cell (c) a magnet (d) a funnel or spoon
29. 29.🔍 Which is the odd one out? (a) detergent water (b) soap solution (c) baking soda water (d) lemon juice
30. 30.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a funnel or spoon (c) a magnet (d) baking soda
31. 31.🧺 Which of these is not needed for the fizzy balloon? (a) a battery cell (b) an empty bottle (c) baking soda (d) a funnel or spoon
32. 32.🫧 Which of these is neutral? (a) soap solution (b) lemon juice (c) plain water (d) detergent water
33. 33.True or false: a magnet is not needed for the fizzy balloon. (a) True (b) False
34. 34.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
35. 35.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a seed (c) a magnet (d) a balloon
36. 36.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) an empty bottle (c) sugar (d) a battery cell
37. 37.🫧 Which of these is an acid? (a) baking soda water (b) curd (c) soap solution (d) salt water
38. 38.🔍 Which is the odd one out? (a) soap solution (b) detergent water (c) curd (d) baking soda water
39. 39.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) hydrogen (b) helium (c) oxygen (d) carbon dioxide
40. 40.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a battery cell (c) a tray for spills (d) vinegar

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