Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 463 · 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.📘 Is the fizzing a sign that a new substance is made? (a) it is only dissolving (b) yes, a new gas forms (c) no, nothing changes (d) it is only melting
2. 2.True or false: a mirror is needed for the fizzy balloon. (a) False (b) True
3. 3.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) vinegar (c) sugar (d) a magnet
4. 4.🫧 Which of these is a base? (a) orange juice (b) soap solution (c) curd (d) plain water
5. 5.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) it turns blue (c) there is no change (d) it grows bigger
6. 6.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) helium (b) hydrogen (c) oxygen (d) carbon dioxide
7. 7.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
8. 8.True or false: a balloon is needed for the fizzy balloon. (a) True (b) False
9. 9.🫧 Is lemon juice an acid, a base or neutral? (a) neutral (b) a base (c) an acid
10. 10.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a magnet (c) a mirror (d) an empty bottle
11. 11.⚖️ 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
12. 12.⚖️ 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 measure it (c) we keep it the same
13. 13.🧺 Do we need a seed for the fizzy balloon? (a) not needed (b) needed
14. 14.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the amount of vinegar (b) size of the balloon (c) spoons of baking soda (d) the same bottle
15. 15.True or false: salt water is an acid. (a) True (b) False
16. 16.🫧 What do you see when baking soda meets vinegar? (a) it glows in the dark (b) nothing at all (c) lots of fizzy bubbles (d) it turns to ice
17. 17.🫧 Is sugar water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
18. 18.🫧 Which of these is an acid? (a) soap solution (b) vinegar (c) detergent water (d) plain water
19. 19.True or false: a mirror is not needed for the fizzy balloon. (a) False (b) True
20. 20.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) baking soda (c) a mirror (d) a funnel or spoon
21. 21.True or false: a battery cell is needed for the fizzy balloon. (a) False (b) True
22. 22.True or false: an empty bottle is needed for the fizzy balloon. (a) True (b) False
23. 23.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a mirror (c) baking soda (d) a battery cell
24. 24.🫧 Which of these is a base? (a) lemon juice (b) detergent water (c) orange juice (d) tamarind water
25. 25.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) sugar (c) a funnel or spoon (d) baking soda
26. 26.🔮 Predict: you use plain water instead of vinegar. What happens? (a) very little fizzing (b) a huge eruption (c) it turns to honey (d) the balloon bursts
27. 27.🛟 Which safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) put it in your mouth (c) seal it in a glass jar (d) shake it near your face
28. 28.⚖️ 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) the same bottle (c) the amount of vinegar (d) the kind of balloon
29. 29.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) False (b) True
30. 30.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a magnet (c) a balloon (d) baking soda
31. 31.⚖️ 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 keep it the same (c) we change it
32. 32.🔍 Which is the odd one out? (a) orange juice (b) tamarind water (c) baking soda water (d) curd
33. 33.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) an empty bottle (c) a funnel or spoon (d) sugar
34. 34.True or false: a comb is needed for the fizzy balloon. (a) True (b) False
35. 35.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) baking soda (c) a magnet (d) vinegar
36. 36.True or false: plain water is neutral. (a) True (b) False
37. 37.🫧 Is detergent water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
38. 38.⚖️ 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 kind of balloon
39. 39.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we keep it the same (b) we measure it (c) we change it
40. 40.🫧 Which of these is neutral? (a) detergent water (b) plain water (c) lemon juice (d) baking soda water

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