Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 735 · 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 of these is an acid? (a) baking soda water (b) curd (c) plain water (d) sugar water
2. 2.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) vinegar (c) an empty bottle (d) a battery cell
3. 3.True or false: a mirror is not needed for the fizzy balloon. (a) False (b) True
4. 4.🫧 Which of these is an acid? (a) soap solution (b) lemon juice (c) salt water (d) detergent water
5. 5.True or false: an empty bottle is not needed for the fizzy balloon. (a) False (b) True
6. 6.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) rub it hard (c) rinse with clean water (d) ignore it
7. 7.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is kept the same. (a) False (b) True
8. 8.True or false: a comb is needed for the fizzy balloon. (a) True (b) False
9. 9.🧺 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) sugar
10. 10.⚖️ 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 amount of vinegar (c) spoons of baking soda (d) the kind of balloon
11. 11.🫧 Is tamarind water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
12. 12.True or false: a seed is not needed for the fizzy balloon. (a) False (b) True
13. 13.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a battery cell (c) sugar (d) a balloon
14. 14.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) vinegar (c) a mirror (d) an empty bottle
15. 15.🫧 Which of these is neutral? (a) soap solution (b) vinegar (c) orange juice (d) plain water
16. 16.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a comb (c) an empty bottle (d) vinegar
17. 17.⚖️ 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 keep it the same (c) we change it
18. 18.True or false: a battery cell is needed for the fizzy balloon. (a) True (b) False
19. 19.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the kind of balloon (b) the amount of vinegar (c) spoons of baking soda (d) size of the balloon
20. 20.True or false: sugar is needed for the fizzy balloon. (a) True (b) False
21. 21.True or false: soap solution is an acid. (a) False (b) True
22. 22.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) carbon dioxide (b) helium (c) oxygen (d) hydrogen
23. 23.⚖️ 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 kind of balloon
24. 24.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) shake it near your face (c) keep it away from eyes (d) put it in your mouth
25. 25.🔍 Which is the odd one out? (a) baking soda water (b) tamarind water (c) lemon juice (d) orange juice
26. 26.⚖️ 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 change it (c) we keep it the same
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 float apart (d) they become magnets
28. 28.🧺 Do we need a balloon for the fizzy balloon? (a) needed (b) not needed
29. 29.True or false: soap solution is a base. (a) False (b) True
30. 30.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) a funnel or spoon (c) a magnet (d) an empty bottle
31. 31.True or false: vinegar is not needed for the fizzy balloon. (a) False (b) True
32. 32.🫧 Is curd an acid, a base or neutral? (a) neutral (b) an acid (c) a base
33. 33.⚖️ 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 keep it the same (c) we change it
34. 34.🔍 Which is the odd one out? (a) orange juice (b) vinegar (c) curd (d) soap solution
35. 35.🔍 Which is the odd one out? (a) vinegar (b) curd (c) tamarind water (d) plain water
36. 36.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) the balloon bursts (c) very little fizzing (d) a huge eruption
37. 37.🫧 Which of these is neutral? (a) tamarind water (b) salt water (c) vinegar (d) baking soda water
38. 38.🫧 Which of these is an acid? (a) sugar water (b) tamarind water (c) soap solution (d) salt water
39. 39.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) vinegar (c) a seed (d) a comb
40. 40.🫧 Is detergent water an acid, a base or neutral? (a) a base (b) neutral (c) an acid

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