Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 446 · 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 vinegar an acid, a base or neutral? (a) neutral (b) a base (c) an acid
2. 2.📘 Is the fizzing a sign that a new substance is made? (a) it is only dissolving (b) no, nothing changes (c) yes, a new gas forms (d) it is only melting
3. 3.⚖️ 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 measure it (c) we change it
4. 4.True or false: baking soda is not needed for the fizzy balloon. (a) True (b) False
5. 5.🛟 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
6. 6.🫧 Is baking soda water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
7. 7.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) there is no change (b) it turns blue (c) it shrinks (d) it grows bigger
8. 8.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) carbon dioxide (b) hydrogen (c) oxygen (d) helium
9. 9.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a magnet (c) a tray for spills (d) a comb
10. 10.True or false: a funnel or spoon is needed for the fizzy balloon. (a) True (b) False
11. 11.⚖️ 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
12. 12.🔍 Which is the odd one out? (a) vinegar (b) orange juice (c) lemon juice (d) salt water
13. 13.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a magnet (c) baking soda (d) a comb
14. 14.🧺 Do we need vinegar for the fizzy balloon? (a) needed (b) not needed
15. 15.🎈 Why does the balloon blow up? (a) outside air gets in (b) the bottle shrinks (c) gas is made inside (d) vinegar is hot
16. 16.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a balloon (c) a magnet (d) a tray for spills
17. 17.🔍 Which is the odd one out? (a) detergent water (b) baking soda water (c) sugar water (d) soap solution
18. 18.🫧 Which of these is neutral? (a) curd (b) plain water (c) detergent water (d) vinegar
19. 19.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a seed (c) a battery cell (d) an empty bottle
20. 20.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is kept the same. (a) False (b) True
21. 21.🫧 What do you see when baking soda meets vinegar? (a) lots of fizzy bubbles (b) it turns to ice (c) nothing at all (d) it glows in the dark
22. 22.True or false: a balloon is not needed for the fizzy balloon. (a) False (b) True
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.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the same bottle (b) size of the balloon (c) spoons of baking soda (d) the amount of vinegar
25. 25.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a comb (b) vinegar (c) a tray for spills (d) a funnel or spoon
26. 26.🫧 Which of these is a base? (a) orange juice (b) plain water (c) sugar water (d) soap solution
27. 27.⚖️ 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
28. 28.🔮 The fizzing stops after a while. Why? (a) the gas froze (b) an ingredient ran out (c) the balloon got cold (d) the bottle got tired
29. 29.🧺 Which of these is not needed for the fizzy balloon? (a) a battery cell (b) vinegar (c) baking soda (d) a balloon
30. 30.⚖️ 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) the same bottle (d) the kind of balloon
31. 31.🫧 Is tamarind water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
32. 32.🫧 Which of these is an acid? (a) sugar water (b) lemon juice (c) detergent water (d) soap solution
33. 33.⚖️ 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
34. 34.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
35. 35.🫧 Is curd an acid, a base or neutral? (a) neutral (b) an acid (c) a base
36. 36.🧺 Which of these is needed for the fizzy balloon? (a) vinegar (b) a seed (c) a mirror (d) sugar
37. 37.True or false: vinegar is needed for the fizzy balloon. (a) True (b) False
38. 38.🫧 Which of these is neutral? (a) sugar water (b) baking soda water (c) detergent water (d) soap solution
39. 39.🔮 Predict: you use plain water instead of vinegar. What happens? (a) the balloon bursts (b) it turns to honey (c) a huge eruption (d) very little fizzing
40. 40.True or false: detergent water is an acid. (a) True (b) False

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