Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 999 · 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 should you do if vinegar splashes in your eye? (a) ignore it (b) add baking soda (c) rub it hard (d) rinse with clean water
2. 2.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) lots of fizzy bubbles (c) it glows in the dark (d) it turns to ice
3. 3.⚖️ 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
4. 4.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) spoons of baking soda (b) size of the balloon (c) the kind of balloon (d) the amount of vinegar
5. 5.🫧 Which of these is an acid? (a) soap solution (b) salt water (c) detergent water (d) tamarind water
6. 6.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they freeze (b) they float apart (c) they react (d) they become magnets
7. 7.True or false: vinegar is not needed for the fizzy balloon. (a) False (b) True
8. 8.🔍 Which is the odd one out? (a) tamarind water (b) lemon juice (c) sugar water (d) vinegar
9. 9.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) a balloon (c) baking soda (d) a magnet
10. 10.🔍 Which is the odd one out? (a) curd (b) tamarind water (c) vinegar (d) salt water
11. 11.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) True (b) False
12. 12.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) sugar (c) a funnel or spoon (d) vinegar
13. 13.🔍 Which is the odd one out? (a) baking soda water (b) plain water (c) detergent water (d) soap solution
14. 14.True or false: sugar water is neutral. (a) True (b) False
15. 15.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the same bottle (b) size of the balloon (c) the amount of vinegar (d) spoons of baking soda
16. 16.🛟 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
17. 17.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) size of the balloon (b) the same bottle (c) spoons of baking soda
18. 18.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a seed (c) a magnet (d) a tray for spills
19. 19.⚖️ 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
20. 20.True or false: soap solution is neutral. (a) False (b) True
21. 21.🧺 Do we need a battery cell for the fizzy balloon? (a) not needed (b) needed
22. 22.⚖️ 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
23. 23.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) a balloon (c) a comb (d) an empty bottle
24. 24.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) baking soda (c) sugar (d) a battery cell
25. 25.🫧 Which of these is an acid? (a) sugar water (b) detergent water (c) baking soda water (d) curd
26. 26.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) hydrogen (c) helium (d) carbon dioxide
27. 27.🫧 Is vinegar an acid, a base or neutral? (a) neutral (b) an acid (c) a base
28. 28.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
29. 29.🫧 Which of these is neutral? (a) plain water (b) tamarind water (c) detergent water (d) vinegar
30. 30.True or false: an empty bottle is not needed for the fizzy balloon. (a) False (b) True
31. 31.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is kept the same. (a) True (b) False
32. 32.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a mirror (c) a comb (d) a funnel or spoon
33. 33.⚖️ 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
34. 34.🫧 Is baking soda water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
35. 35.🧺 Do we need a seed for the fizzy balloon? (a) needed (b) not needed
36. 36.⚖️ 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
37. 37.⚖️ 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
38. 38.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a mirror (b) baking soda (c) a tray for spills (d) a funnel or spoon
39. 39.🔮 The fizzing stops after a while. Why? (a) an ingredient ran out (b) the bottle got tired (c) the gas froze (d) the balloon got cold
40. 40.True or false: detergent water is an acid. (a) False (b) True

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