Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 408 · 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.True or false: lemon juice is neutral. (a) True (b) False
2. 2.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
3. 3.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) a balloon (c) baking soda (d) a magnet
4. 4.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is kept the same. (a) False (b) True
5. 5.🔍 Which is the odd one out? (a) lemon juice (b) detergent water (c) soap solution (d) baking soda water
6. 6.⚖️ 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 change it (c) we keep it the same
7. 7.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we measure it (b) we change it (c) we keep it the same
8. 8.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) helium (b) carbon dioxide (c) oxygen (d) hydrogen
9. 9.True or false: baking soda water is an acid. (a) False (b) True
10. 10.🫧 Is soap solution an acid, a base or neutral? (a) a base (b) an acid (c) neutral
11. 11.🔍 Which is the odd one out? (a) sugar water (b) plain water (c) salt water (d) tamarind water
12. 12.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is what we measure. (a) True (b) False
13. 13.True or false: soap solution is a base. (a) False (b) True
14. 14.True or false: lemon juice is a base. (a) True (b) False
15. 15.⚖️ 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
16. 16.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we change it (b) we measure it (c) we keep it the same
17. 17.🫧 Is baking soda water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
18. 18.⚖️ 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
19. 19.🧺 Which of these is needed for the fizzy balloon? (a) vinegar (b) a battery cell (c) a magnet (d) a comb
20. 20.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a balloon (c) a magnet (d) a tray for spills
21. 21.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) size of the balloon (b) the kind of balloon (c) the same bottle (d) spoons of baking soda
22. 22.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) baking soda (c) a tray for spills (d) a battery cell
23. 23.True or false: a comb is needed for the fizzy balloon. (a) True (b) False
24. 24.🫧 Is salt water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
25. 25.🔮 The fizzing stops after a while. Why? (a) the gas froze (b) the balloon got cold (c) an ingredient ran out (d) the bottle got tired
26. 26.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) vinegar (c) a tray for spills (d) a comb
27. 27.True or false: salt water is an acid. (a) False (b) True
28. 28.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a tray for spills (c) a seed (d) baking soda
29. 29.🛟 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
30. 30.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we change it (b) we keep it the same (c) we measure it
31. 31.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it grows bigger (b) there is no change (c) it turns blue (d) it shrinks
32. 32.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
33. 33.🫧 Which of these is a base? (a) tamarind water (b) salt water (c) baking soda water (d) vinegar
34. 34.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is the one thing we change. (a) True (b) False
35. 35.True or false: a comb is not needed for the fizzy balloon. (a) True (b) False
36. 36.⚖️ 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
37. 37.True or false: baking soda is not needed for the fizzy balloon. (a) True (b) False
38. 38.True or false: baking soda water is neutral. (a) True (b) False
39. 39.🔍 Which is the odd one out? (a) salt water (b) plain water (c) soap solution (d) sugar water
40. 40.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) keep it away from eyes (c) put it in your mouth (d) shake it near your face

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