Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 316 · 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.🧺 Do we need a comb for the fizzy balloon? (a) not needed (b) needed
2. 2.True or false: vinegar is needed for the fizzy balloon. (a) False (b) True
3. 3.True or false: curd is a base. (a) False (b) True
4. 4.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a funnel or spoon (c) a balloon (d) a seed
5. 5.⚖️ 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 amount of vinegar (d) the kind of balloon
6. 6.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the kind of balloon (b) size of the balloon (c) spoons of baking soda
7. 7.True or false: a tray for spills is needed for the fizzy balloon. (a) False (b) True
8. 8.🫧 Which of these is neutral? (a) curd (b) detergent water (c) salt water (d) tamarind water
9. 9.⚖️ 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
10. 10.🫧 Which of these is an acid? (a) vinegar (b) salt water (c) soap solution (d) detergent water
11. 11.🔍 Which is the odd one out? (a) plain water (b) salt water (c) sugar water (d) detergent water
12. 12.📘 Is the fizzing a sign that a new substance is made? (a) it is only melting (b) no, nothing changes (c) it is only dissolving (d) yes, a new gas forms
13. 13.True or false: an empty bottle is needed for the fizzy balloon. (a) False (b) True
14. 14.True or false: a balloon is needed for the fizzy balloon. (a) True (b) False
15. 15.True or false: plain water is an acid. (a) True (b) False
16. 16.⚖️ 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) the kind of balloon (d) size of the balloon
17. 17.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) keep it away from eyes (c) seal it in a glass jar (d) shake it near your face
18. 18.True or false: salt water is neutral. (a) False (b) True
19. 19.🔍 Which is the odd one out? (a) sugar water (b) baking soda water (c) soap solution (d) detergent water
20. 20.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
21. 21.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) hydrogen (b) oxygen (c) helium (d) carbon dioxide
22. 22.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) baking soda (c) vinegar (d) a comb
23. 23.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) there is no change (c) it grows bigger (d) it turns blue
24. 24.🧺 Which of these is needed for the fizzy balloon? (a) a tray for spills (b) sugar (c) a mirror (d) a comb
25. 25.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we measure it (b) we change it (c) we keep it the same
26. 26.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we keep it the same (b) we change it (c) we measure it
27. 27.🫧 Which of these is neutral? (a) orange juice (b) baking soda water (c) plain water (d) lemon juice
28. 28.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we keep it the same (b) we change it (c) we measure it
29. 29.⚖️ 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
30. 30.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a comb (c) a magnet (d) baking soda
31. 31.🔍 Which is the odd one out? (a) salt water (b) sugar water (c) plain water (d) tamarind water
32. 32.⚖️ 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
33. 33.🫧 What do you see when baking soda meets vinegar? (a) lots of fizzy bubbles (b) it glows in the dark (c) nothing at all (d) it turns to ice
34. 34.True or false: a seed is not needed for the fizzy balloon. (a) True (b) False
35. 35.True or false: baking soda is not needed for the fizzy balloon. (a) False (b) True
36. 36.🫧 Which of these is a base? (a) orange juice (b) lemon juice (c) salt water (d) baking soda water
37. 37.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) very little fizzing (c) the balloon bursts (d) it turns to honey
38. 38.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) vinegar (c) a battery cell (d) a mirror
39. 39.True or false: vinegar is neutral. (a) True (b) False
40. 40.🔍 Which is the odd one out? (a) baking soda water (b) detergent water (c) soap solution (d) orange juice

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