Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 149 · 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.🫧 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
2. 2.🫧 Which of these is neutral? (a) orange juice (b) sugar water (c) detergent water (d) soap solution
3. 3.⚖️ 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
4. 4.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is what we measure. (a) True (b) False
5. 5.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) put it in your mouth (c) seal it in a glass jar (d) keep it away from eyes
6. 6.🫧 Which of these is an acid? (a) tamarind water (b) salt water (c) sugar water (d) plain water
7. 7.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the amount of vinegar (b) spoons of baking soda (c) the same bottle (d) the kind of balloon
8. 8.⚖️ 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
9. 9.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) sugar (b) a tray for spills (c) baking soda (d) vinegar
10. 10.🧺 Do we need a comb for the fizzy balloon? (a) not needed (b) needed
11. 11.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) needed (b) not needed
12. 12.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a battery cell (c) an empty bottle (d) a comb
13. 13.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a mirror (b) baking soda (c) a balloon (d) vinegar
14. 14.🧺 Which of these is not needed for the fizzy balloon? (a) a seed (b) a tray for spills (c) vinegar (d) an empty bottle
15. 15.🫧 Is baking soda water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
16. 16.🎈 Why does the balloon blow up? (a) gas is made inside (b) vinegar is hot (c) outside air gets in (d) the bottle shrinks
17. 17.🔍 Which is the odd one out? (a) tamarind water (b) vinegar (c) lemon juice (d) plain water
18. 18.🫧 Which of these is an acid? (a) salt water (b) plain water (c) soap solution (d) orange juice
19. 19.🫧 Is soap solution an acid, a base or neutral? (a) an acid (b) a base (c) neutral
20. 20.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is kept the same. (a) True (b) False
21. 21.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
22. 22.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the amount of vinegar (b) size of the balloon (c) the kind of balloon (d) the same bottle
23. 23.True or false: orange juice is an acid. (a) False (b) True
24. 24.🔍 Which is the odd one out? (a) detergent water (b) baking soda water (c) vinegar (d) soap solution
25. 25.True or false: vinegar is needed for the fizzy balloon. (a) False (b) True
26. 26.🫧 Which of these is neutral? (a) lemon juice (b) baking soda water (c) detergent water (d) salt water
27. 27.⚖️ 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
28. 28.🫧 Is curd an acid, a base or neutral? (a) a base (b) neutral (c) an acid
29. 29.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) baking soda (c) an empty bottle (d) a seed
30. 30.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) a tray for spills (c) a battery cell (d) vinegar
31. 31.🧺 Do we need vinegar for the fizzy balloon? (a) needed (b) not needed
32. 32.🫧 Is lemon juice an acid, a base or neutral? (a) an acid (b) neutral (c) a base
33. 33.🔍 Which is the odd one out? (a) detergent water (b) baking soda water (c) soap solution (d) sugar water
34. 34.🔮 The fizzing stops after a while. Why? (a) the balloon got cold (b) the gas froze (c) the bottle got tired (d) an ingredient ran out
35. 35.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) helium (b) carbon dioxide (c) oxygen (d) hydrogen
36. 36.True or false: a mirror is not needed for the fizzy balloon. (a) False (b) True
37. 37.🫧 Which of these is an acid? (a) plain water (b) soap solution (c) curd (d) sugar water
38. 38.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is kept the same. (a) False (b) True
39. 39.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is what we measure. (a) True (b) False
40. 40.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) a tray for spills (c) a balloon (d) a comb

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