Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 334 · 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 needed for the fizzy balloon? (a) a seed (b) a comb (c) a magnet (d) a tray for spills
2. 2.True or false: a battery cell is needed for the fizzy balloon. (a) False (b) True
3. 3.🔮 The fizzing stops after a while. Why? (a) the balloon got cold (b) the bottle got tired (c) the gas froze (d) an ingredient ran out
4. 4.🫧 Which of these is an acid? (a) lemon juice (b) baking soda water (c) salt water (d) soap solution
5. 5.⚖️ 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
6. 6.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
7. 7.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is what we measure. (a) False (b) True
8. 8.🫧 Is lemon juice an acid, a base or neutral? (a) a base (b) an acid (c) neutral
9. 9.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) seal it in a glass jar (c) keep it away from eyes (d) shake it near your face
10. 10.🫧 Which of these is a base? (a) lemon juice (b) vinegar (c) orange juice (d) soap solution
11. 11.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) helium (b) hydrogen (c) oxygen (d) carbon dioxide
12. 12.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) size of the balloon (b) spoons of baking soda (c) the same bottle (d) the kind of balloon
13. 13.📘 Is the fizzing a sign that a new substance is made? (a) no, nothing changes (b) it is only melting (c) it is only dissolving (d) yes, a new gas forms
14. 14.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it turns blue (b) there is no change (c) it shrinks (d) it grows bigger
15. 15.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is the one thing we change. (a) False (b) True
16. 16.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a comb (c) vinegar (d) baking soda
17. 17.True or false: a balloon is needed for the fizzy balloon. (a) True (b) False
18. 18.🧺 Which of these is needed for the fizzy balloon? (a) an empty bottle (b) sugar (c) a seed (d) a magnet
19. 19.🛟 What should you do if vinegar splashes in your eye? (a) rinse with clean water (b) add baking soda (c) rub it hard (d) ignore it
20. 20.🔍 Which is the odd one out? (a) baking soda water (b) soap solution (c) detergent water (d) vinegar
21. 21.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a balloon (c) a funnel or spoon (d) a battery cell
22. 22.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is kept the same. (a) True (b) False
23. 23.⚖️ 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
24. 24.🎈 Why does the balloon blow up? (a) the bottle shrinks (b) gas is made inside (c) vinegar is hot (d) outside air gets in
25. 25.🔮 Predict: you use plain water instead of vinegar. What happens? (a) very little fizzing (b) it turns to honey (c) the balloon bursts (d) a huge eruption
26. 26.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the amount of vinegar (b) size of the balloon (c) the kind of balloon (d) spoons of baking soda
27. 27.🧺 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) sugar
28. 28.🫧 Which of these is a base? (a) baking soda water (b) salt water (c) curd (d) sugar water
29. 29.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
30. 30.True or false: vinegar is an acid. (a) True (b) False
31. 31.🫧 Which of these is neutral? (a) curd (b) salt water (c) lemon juice (d) tamarind water
32. 32.🔍 Which is the odd one out? (a) plain water (b) sugar water (c) lemon juice (d) salt water
33. 33.🫧 Is soap solution an acid, a base or neutral? (a) neutral (b) an acid (c) a base
34. 34.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a balloon (c) a funnel or spoon (d) a mirror
35. 35.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a mirror (c) a funnel or spoon (d) a magnet
36. 36.True or false: vinegar is a base. (a) False (b) True
37. 37.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) False (b) True
38. 38.⚖️ 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
39. 39.True or false: baking soda is not needed for the fizzy balloon. (a) True (b) False
40. 40.True or false: detergent water is a base. (a) True (b) False

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