Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 183 · 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.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) vinegar (c) a magnet (d) a tray for spills
2. 2.True or false: a seed is not needed for the fizzy balloon. (a) False (b) True
3. 3.⚖️ 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 amount of vinegar
4. 4.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
5. 5.🔮 Predict: you use plain water instead of vinegar. What happens? (a) the balloon bursts (b) very little fizzing (c) a huge eruption (d) it turns to honey
6. 6.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) sugar (c) a balloon (d) a funnel or spoon
7. 7.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) carbon dioxide (b) helium (c) hydrogen (d) oxygen
8. 8.⚖️ 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) the kind of balloon (c) the amount of vinegar (d) spoons of baking soda
9. 9.🫧 Is plain water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
10. 10.🔍 Which is the odd one out? (a) salt water (b) lemon juice (c) plain water (d) sugar water
11. 11.🫧 Which of these is an acid? (a) detergent water (b) salt water (c) soap solution (d) lemon juice
12. 12.True or false: a balloon is not needed for the fizzy balloon. (a) True (b) False
13. 13.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) it turns blue (c) there is no change (d) it grows bigger
14. 14.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a mirror (b) a balloon (c) an empty bottle (d) a tray for spills
15. 15.🫧 Which of these is a base? (a) sugar water (b) vinegar (c) curd (d) detergent water
16. 16.True or false: curd is an acid. (a) True (b) False
17. 17.🧺 Do we need a seed for the fizzy balloon? (a) needed (b) not needed
18. 18.🫧 What do you see when baking soda meets vinegar? (a) it turns to ice (b) nothing at all (c) it glows in the dark (d) lots of fizzy bubbles
19. 19.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a balloon (c) a seed (d) baking soda
20. 20.🫧 Is tamarind water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
21. 21.🔍 Which is the odd one out? (a) lemon juice (b) vinegar (c) curd (d) detergent water
22. 22.🫧 Which of these is neutral? (a) vinegar (b) lemon juice (c) curd (d) plain water
23. 23.🔍 Which is the odd one out? (a) salt water (b) plain water (c) sugar water (d) vinegar
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 keep it the same (c) we change it
25. 25.True or false: salt water is a base. (a) False (b) True
26. 26.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) sugar (c) a comb (d) an empty bottle
27. 27.🔮 The fizzing stops after a while. Why? (a) an ingredient ran out (b) the balloon got cold (c) the bottle got tired (d) the gas froze
28. 28.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
29. 29.🔍 Which is the odd one out? (a) soap solution (b) sugar water (c) salt water (d) plain water
30. 30.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) an empty bottle (c) a balloon (d) a magnet
31. 31.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) vinegar (c) a tray for spills (d) a comb
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.⚖️ 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) False (b) True
34. 34.True or false: a funnel or spoon is needed for the fizzy balloon. (a) True (b) False
35. 35.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) spoons of baking soda (b) size of the balloon (c) the kind of balloon
36. 36.🔍 Which is the odd one out? (a) curd (b) soap solution (c) baking soda water (d) detergent water
37. 37.🧺 Which of these is needed for the fizzy balloon? (a) a funnel or spoon (b) a mirror (c) a seed (d) sugar
38. 38.⚖️ 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
39. 39.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) rinse with clean water (c) ignore it (d) rub it hard
40. 40.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a battery cell (c) a magnet (d) a balloon

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