Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 65 · 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) baking soda (b) a tray for spills (c) a battery cell (d) a funnel or spoon
2. 2.🫧 Which of these is neutral? (a) detergent water (b) sugar water (c) soap solution (d) curd
3. 3.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a mirror (c) a funnel or spoon (d) a tray for spills
4. 4.🔮 The fizzing stops after a while. Why? (a) an ingredient ran out (b) the gas froze (c) the bottle got tired (d) the balloon got cold
5. 5.True or false: sugar water is an acid. (a) False (b) True
6. 6.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they react (b) they float apart (c) they freeze (d) they become magnets
7. 7.⚖️ 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
8. 8.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a magnet (b) a tray for spills (c) an empty bottle (d) a funnel or spoon
9. 9.⚖️ 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
10. 10.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a balloon (c) a seed (d) baking soda
11. 11.True or false: soap solution is an acid. (a) True (b) False
12. 12.🫧 Which of these is a base? (a) lemon juice (b) tamarind water (c) sugar water (d) soap solution
13. 13.🧺 Which of these is needed for the fizzy balloon? (a) a funnel or spoon (b) sugar (c) a mirror (d) a seed
14. 14.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is the one thing we change. (a) True (b) False
15. 15.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) hydrogen (b) helium (c) oxygen (d) carbon dioxide
16. 16.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) sugar (c) a tray for spills (d) vinegar
17. 17.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is what we measure. (a) False (b) True
18. 18.True or false: a funnel or spoon is needed for the fizzy balloon. (a) False (b) True
19. 19.🔍 Which is the odd one out? (a) detergent water (b) soap solution (c) plain water (d) baking soda water
20. 20.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is kept the same. (a) False (b) True
21. 21.🔍 Which is the odd one out? (a) salt water (b) sugar water (c) plain water (d) baking soda water
22. 22.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) sugar (c) a comb (d) a tray for spills
23. 23.True or false: a magnet is not needed for the fizzy balloon. (a) True (b) False
24. 24.⚖️ 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 same bottle (c) spoons of baking soda (d) the kind of balloon
25. 25.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is what we measure. (a) False (b) True
26. 26.True or false: an empty bottle is needed for the fizzy balloon. (a) False (b) True
27. 27.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) shake it near your face (c) put it in your mouth (d) keep it away from eyes
28. 28.🫧 Which of these is neutral? (a) baking soda water (b) plain water (c) curd (d) lemon juice
29. 29.True or false: a seed is needed for the fizzy balloon. (a) False (b) True
30. 30.⚖️ 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
31. 31.🧺 Do we need a tray for spills for the fizzy balloon? (a) needed (b) not needed
32. 32.🫧 Which of these is an acid? (a) baking soda water (b) detergent water (c) plain water (d) curd
33. 33.🫧 Which of these is an acid? (a) lemon juice (b) baking soda water (c) soap solution (d) sugar water
34. 34.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) baking soda (c) sugar (d) a funnel or spoon
35. 35.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a comb (c) vinegar (d) a magnet
36. 36.🫧 Is baking soda water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
37. 37.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
38. 38.🧺 Which of these is not needed for the fizzy balloon? (a) a battery cell (b) a balloon (c) baking soda (d) a tray for spills
39. 39.🔍 Which is the odd one out? (a) detergent water (b) soap solution (c) salt water (d) baking soda water
40. 40.🛟 What should you do if vinegar splashes in your eye? (a) rinse with clean water (b) add baking soda (c) ignore it (d) rub it hard

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