Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 616 · 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 not needed for the fizzy balloon? (a) a tray for spills (b) vinegar (c) baking soda (d) a mirror
2. 2.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) shake it near your face (c) keep it away from eyes (d) seal it in a glass jar
3. 3.🔍 Which is the odd one out? (a) plain water (b) salt water (c) sugar water (d) detergent water
4. 4.🔍 Which is the odd one out? (a) soap solution (b) sugar water (c) plain water (d) salt water
5. 5.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a comb (c) a tray for spills (d) an empty bottle
6. 6.True or false: vinegar is not needed for the fizzy balloon. (a) True (b) False
7. 7.True or false: an empty bottle is not needed for the fizzy balloon. (a) True (b) False
8. 8.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a seed (c) a funnel or spoon (d) a magnet
9. 9.🧺 Do we need a mirror for the fizzy balloon? (a) needed (b) not needed
10. 10.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
11. 11.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) size of the balloon (b) the kind of balloon (c) spoons of baking soda
12. 12.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
13. 13.⚖️ 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 kind of balloon (d) size of the balloon
14. 14.📘 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
15. 15.True or false: tamarind water is neutral. (a) False (b) True
16. 16.🫧 Is salt water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
17. 17.⚖️ 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
18. 18.🔍 Which is the odd one out? (a) lemon juice (b) vinegar (c) curd (d) sugar water
19. 19.🧺 Do we need a comb for the fizzy balloon? (a) not needed (b) needed
20. 20.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) vinegar (c) sugar (d) a mirror
21. 21.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) sugar (c) a magnet (d) baking soda
22. 22.🫧 Which of these is an acid? (a) plain water (b) lemon juice (c) soap solution (d) salt water
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) size of the balloon (c) the amount of vinegar
24. 24.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a mirror (c) a battery cell (d) a tray for spills
25. 25.🧺 Do we need a battery cell for the fizzy balloon? (a) needed (b) not needed
26. 26.🔍 Which is the odd one out? (a) plain water (b) sugar water (c) salt water (d) curd
27. 27.🫧 Is detergent water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
28. 28.🫧 What do you see when baking soda meets vinegar? (a) it glows in the dark (b) lots of fizzy bubbles (c) nothing at all (d) it turns to ice
29. 29.⚖️ 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
30. 30.🫧 Is vinegar an acid, a base or neutral? (a) neutral (b) an acid (c) a base
31. 31.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) helium (b) hydrogen (c) oxygen (d) carbon dioxide
32. 32.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a tray for spills (c) baking soda (d) sugar
33. 33.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) vinegar (c) a tray for spills (d) a magnet
34. 34.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we change it (b) we keep it the same (c) we measure it
35. 35.🫧 Is sugar water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
36. 36.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a balloon (c) sugar (d) a magnet
37. 37.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it grows bigger (b) there is no change (c) it shrinks (d) it turns blue
38. 38.🎈 Why does the balloon blow up? (a) vinegar is hot (b) outside air gets in (c) gas is made inside (d) the bottle shrinks
39. 39.⚖️ 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 keep it the same (c) we measure it
40. 40.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is what we measure. (a) True (b) False

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