Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 538 · 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) a balloon (b) a tray for spills (c) a magnet (d) baking soda
2. 2.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) spoons of baking soda (b) the same bottle (c) size of the balloon
3. 3.🫧 Which of these is a base? (a) lemon juice (b) curd (c) vinegar (d) baking soda water
4. 4.True or false: a battery cell is not needed for the fizzy balloon. (a) False (b) True
5. 5.🧺 Do we need a battery cell for the fizzy balloon? (a) not needed (b) needed
6. 6.🫧 Which of these is an acid? (a) soap solution (b) lemon juice (c) salt water (d) sugar water
7. 7.🧺 Do we need a balloon for the fizzy balloon? (a) needed (b) not needed
8. 8.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a mirror (b) baking soda (c) vinegar (d) a funnel or spoon
9. 9.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a funnel or spoon (c) a tray for spills (d) a mirror
10. 10.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they freeze (b) they become magnets (c) they react (d) they float apart
11. 11.True or false: baking soda water is neutral. (a) False (b) True
12. 12.🫧 Is orange juice an acid, a base or neutral? (a) an acid (b) neutral (c) a base
13. 13.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
14. 14.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) an ingredient ran out (c) the gas froze (d) the balloon got cold
15. 15.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) rinse with clean water (c) rub it hard (d) ignore it
16. 16.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) an empty bottle (c) a battery cell (d) baking soda
17. 17.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) a tray for spills (c) a comb (d) vinegar
18. 18.🔍 Which is the odd one out? (a) vinegar (b) curd (c) sugar water (d) lemon juice
19. 19.⚖️ 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
20. 20.True or false: curd is an acid. (a) True (b) False
21. 21.🔍 Which is the odd one out? (a) sugar water (b) plain water (c) salt water (d) soap solution
22. 22.True or false: baking soda is needed for the fizzy balloon. (a) True (b) False
23. 23.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) it glows in the dark (c) lots of fizzy bubbles (d) it turns to ice
24. 24.🔍 Which is the odd one out? (a) detergent water (b) plain water (c) baking soda water (d) soap solution
25. 25.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) vinegar (c) a funnel or spoon (d) a comb
26. 26.True or false: a comb is not needed for the fizzy balloon. (a) False (b) True
27. 27.True or false: sugar is needed for the fizzy balloon. (a) False (b) True
28. 28.⚖️ 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 amount of vinegar (c) spoons of baking soda (d) size of the balloon
29. 29.True or false: salt water is neutral. (a) True (b) False
30. 30.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the kind of balloon (b) spoons of baking soda (c) size of the balloon
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) False (b) True
32. 32.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) helium (b) hydrogen (c) oxygen (d) carbon dioxide
33. 33.🫧 Is lemon juice an acid, a base or neutral? (a) an acid (b) a base (c) neutral
34. 34.⚖️ 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) the same bottle (d) size of the balloon
35. 35.🫧 Is sugar water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
36. 36.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we measure it (b) we change it (c) we keep it the same
37. 37.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar 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) sugar (b) a balloon (c) an empty bottle (d) vinegar
39. 39.🧺 Which of these is not needed for the fizzy balloon? (a) sugar (b) an empty bottle (c) a funnel or spoon (d) vinegar
40. 40.🛟 Which safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) shake it near your face (c) put it in your mouth (d) seal it in a glass jar

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