Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 736 · 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.⚖️ 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
2. 2.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) the balloon got cold (c) the gas froze (d) an ingredient ran out
3. 3.🔍 Which is the odd one out? (a) sugar water (b) salt water (c) plain water (d) soap solution
4. 4.🫧 Which of these is an acid? (a) sugar water (b) soap solution (c) curd (d) salt water
5. 5.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a tray for spills (c) vinegar (d) a comb
6. 6.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is the one thing we change. (a) False (b) True
7. 7.🫧 Which of these is a base? (a) orange juice (b) soap solution (c) lemon juice (d) sugar water
8. 8.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the kind of balloon (b) size of the balloon (c) spoons of baking soda (d) the amount of vinegar
9. 9.⚖️ 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
10. 10.True or false: a battery cell is not needed for the fizzy balloon. (a) True (b) False
11. 11.🫧 Is lemon juice an acid, a base or neutral? (a) a base (b) an acid (c) neutral
12. 12.True or false: an empty bottle is not needed for the fizzy balloon. (a) True (b) False
13. 13.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) a funnel or spoon (c) an empty bottle (d) a comb
14. 14.⚖️ 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 measure it (c) we change it
15. 15.⚖️ 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 amount of vinegar
16. 16.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) vinegar (c) a seed (d) a tray for spills
17. 17.🧺 Do we need sugar for the fizzy balloon? (a) not needed (b) needed
18. 18.True or false: a comb is not needed for the fizzy balloon. (a) True (b) False
19. 19.🔍 Which is the odd one out? (a) lemon juice (b) vinegar (c) orange juice (d) baking soda water
20. 20.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
21. 21.⚖️ 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
22. 22.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a magnet (c) an empty bottle (d) vinegar
23. 23.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it grows bigger (b) it shrinks (c) there is no change (d) it turns blue
24. 24.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) rub it hard (c) add baking soda (d) rinse with clean water
25. 25.🛟 Which safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) seal it in a glass jar (c) put it in your mouth (d) shake it near your face
26. 26.🔍 Which is the odd one out? (a) curd (b) tamarind water (c) vinegar (d) detergent water
27. 27.🧺 Do we need a comb for the fizzy balloon? (a) not needed (b) needed
28. 28.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) sugar (c) a funnel or spoon (d) a comb
29. 29.⚖️ 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
30. 30.🔮 Predict: you use plain water instead of vinegar. What happens? (a) very little fizzing (b) the balloon bursts (c) it turns to honey (d) a huge eruption
31. 31.🫧 Which of these is an acid? (a) detergent water (b) baking soda water (c) vinegar (d) salt water
32. 32.True or false: baking soda is needed for the fizzy balloon. (a) True (b) False
33. 33.🔍 Which is the odd one out? (a) soap solution (b) detergent water (c) baking soda water (d) lemon juice
34. 34.🫧 Is soap solution an acid, a base or neutral? (a) an acid (b) a base (c) neutral
35. 35.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) carbon dioxide (b) hydrogen (c) oxygen (d) helium
36. 36.True or false: a tray for spills is needed for the fizzy balloon. (a) False (b) True
37. 37.🫧 What do you see when baking soda meets vinegar? (a) it turns to ice (b) it glows in the dark (c) nothing at all (d) lots of fizzy bubbles
38. 38.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
39. 39.🫧 Is orange juice an acid, a base or neutral? (a) neutral (b) a base (c) an acid
40. 40.True or false: vinegar is neutral. (a) True (b) False

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