Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 487 · 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.True or false: curd is an acid. (a) False (b) True
2. 2.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we change it (b) we measure it (c) we keep it the same
3. 3.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is what we measure. (a) False (b) True
4. 4.🫧 Is vinegar an acid, a base or neutral? (a) a base (b) an acid (c) neutral
5. 5.🔍 Which is the odd one out? (a) lemon juice (b) orange juice (c) soap solution (d) tamarind water
6. 6.True or false: a balloon is not needed for the fizzy balloon. (a) True (b) False
7. 7.🔍 Which is the odd one out? (a) detergent water (b) plain water (c) baking soda water (d) soap solution
8. 8.🔍 Which is the odd one out? (a) salt water (b) lemon juice (c) plain water (d) sugar water
9. 9.🧺 Do we need sugar for the fizzy balloon? (a) not needed (b) needed
10. 10.🔍 Which is the odd one out? (a) salt water (b) curd (c) sugar water (d) plain water
11. 11.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) there is no change (b) it shrinks (c) it turns blue (d) it grows bigger
12. 12.True or false: sugar is not needed for the fizzy balloon. (a) True (b) False
13. 13.⚖️ 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
14. 14.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) keep it away from eyes (c) put it in your mouth (d) seal it in a glass jar
15. 15.🔍 Which is the odd one out? (a) curd (b) tamarind water (c) sugar water (d) lemon juice
16. 16.🫧 Which of these is neutral? (a) curd (b) baking soda water (c) tamarind water (d) sugar water
17. 17.🫧 Is orange juice an acid, a base or neutral? (a) neutral (b) a base (c) an acid
18. 18.True or false: vinegar is needed for the fizzy balloon. (a) False (b) True
19. 19.🔮 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
20. 20.🫧 What do you see when baking soda meets vinegar? (a) lots of fizzy bubbles (b) it turns to ice (c) it glows in the dark (d) nothing at all
21. 21.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a battery cell (c) vinegar (d) a funnel or spoon
22. 22.📘 Is the fizzing a sign that a new substance is made? (a) it is only melting (b) it is only dissolving (c) yes, a new gas forms (d) no, nothing changes
23. 23.⚖️ 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
24. 24.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is what we measure. (a) False (b) True
25. 25.🎈 Why does the balloon blow up? (a) outside air gets in (b) vinegar is hot (c) the bottle shrinks (d) gas is made inside
26. 26.⚖️ 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 keep it the same (c) we measure it
27. 27.🫧 Which of these is an acid? (a) detergent water (b) baking soda water (c) sugar water (d) orange juice
28. 28.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a seed (b) baking soda (c) vinegar (d) a funnel or spoon
29. 29.True or false: tamarind water is an acid. (a) False (b) True
30. 30.⚖️ 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 same bottle (c) spoons of baking soda (d) size of the balloon
31. 31.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the same bottle (b) spoons of baking soda (c) size of the balloon (d) the kind of balloon
32. 32.True or false: a magnet is needed for the fizzy balloon. (a) True (b) False
33. 33.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) helium (c) hydrogen (d) carbon dioxide
34. 34.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a comb (b) vinegar (c) an empty bottle (d) baking soda
35. 35.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is the one thing we change. (a) True (b) False
36. 36.🫧 Is detergent water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
37. 37.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) sugar (c) a seed (d) baking soda
38. 38.🫧 Which of these is an acid? (a) salt water (b) soap solution (c) lemon juice (d) plain water
39. 39.🫧 Is soap solution an acid, a base or neutral? (a) neutral (b) a base (c) an acid
40. 40.🔍 Which is the odd one out? (a) salt water (b) plain water (c) sugar water (d) baking soda water

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