Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 298 · 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) plain water (b) sugar water (c) salt water (d) baking soda water
2. 2.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they react (b) they freeze (c) they float apart (d) they become magnets
3. 3.🔍 Which is the odd one out? (a) detergent water (b) soap solution (c) plain water (d) baking soda water
4. 4.🛟 Which safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) put it in your mouth (c) seal it in a glass jar (d) shake it near your face
5. 5.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we measure it (b) we change it (c) we keep it the same
6. 6.True or false: tamarind water is an acid. (a) True (b) False
7. 7.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we change it (b) we keep it the same (c) we measure it
8. 8.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) vinegar (c) a balloon (d) a magnet
9. 9.True or false: orange juice is neutral. (a) True (b) False
10. 10.True or false: baking soda water is an acid. (a) False (b) True
11. 11.🎈 Why does the balloon blow up? (a) the bottle shrinks (b) outside air gets in (c) gas is made inside (d) vinegar is hot
12. 12.True or false: lemon juice is neutral. (a) True (b) False
13. 13.True or false: plain water is neutral. (a) False (b) True
14. 14.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) vinegar (c) a magnet (d) a comb
15. 15.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we keep it the same (b) we change it (c) we measure it
16. 16.True or false: baking soda is needed for the fizzy balloon. (a) False (b) True
17. 17.⚖️ 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) False (b) True
18. 18.True or false: salt water is an acid. (a) False (b) True
19. 19.⚖️ 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
20. 20.🧺 Do we need a balloon for the fizzy balloon? (a) needed (b) not needed
21. 21.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a comb (b) baking soda (c) a balloon (d) a tray for spills
22. 22.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we keep it the same (b) we measure it (c) we change it
23. 23.🔮 Predict: you use plain water instead of vinegar. What happens? (a) the balloon bursts (b) a huge eruption (c) it turns to honey (d) very little fizzing
24. 24.True or false: detergent water is a base. (a) True (b) False
25. 25.🧺 Do we need a magnet for the fizzy balloon? (a) needed (b) not needed
26. 26.🔮 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
27. 27.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the kind of balloon (b) the same bottle (c) the amount of vinegar (d) spoons of baking soda
28. 28.🔮 The fizzing stops after a while. Why? (a) the gas froze (b) the balloon got cold (c) the bottle got tired (d) an ingredient ran out
29. 29.True or false: a mirror is needed for the fizzy balloon. (a) True (b) False
30. 30.🧺 Do we need a battery cell for the fizzy balloon? (a) not needed (b) needed
31. 31.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a tray for spills (c) a comb (d) a seed
32. 32.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a tray for spills (c) a funnel or spoon (d) a magnet
33. 33.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) helium (b) hydrogen (c) carbon dioxide (d) oxygen
34. 34.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) size of the balloon (b) spoons of baking soda (c) the kind of balloon (d) the amount of vinegar
35. 35.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a seed (c) a magnet (d) an empty bottle
36. 36.🔍 Which is the odd one out? (a) detergent water (b) tamarind water (c) soap solution (d) baking soda water
37. 37.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) vinegar (c) baking soda (d) a seed
38. 38.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
39. 39.True or false: a balloon is needed for the fizzy balloon. (a) False (b) True
40. 40.True or false: sugar is needed for the fizzy balloon. (a) False (b) True

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