Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 933 · 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.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a funnel or spoon (c) a tray for spills (d) sugar
2. 2.🔍 Which is the odd one out? (a) sugar water (b) baking soda water (c) salt water (d) plain water
3. 3.🔍 Which is the odd one out? (a) orange juice (b) curd (c) detergent water (d) tamarind water
4. 4.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) very little fizzing (c) a huge eruption (d) the balloon bursts
5. 5.🫧 Which of these is a base? (a) salt water (b) vinegar (c) soap solution (d) tamarind water
6. 6.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a tray for spills (c) a battery cell (d) a seed
7. 7.📘 Is the fizzing a sign that a new substance is made? (a) no, nothing changes (b) yes, a new gas forms (c) it is only melting (d) it is only dissolving
8. 8.True or false: curd is an acid. (a) True (b) False
9. 9.⚖️ 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
10. 10.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) seal it in a glass jar (c) keep it away from eyes (d) shake it near your face
11. 11.🔍 Which is the odd one out? (a) soap solution (b) detergent water (c) baking soda water (d) sugar water
12. 12.🔍 Which is the odd one out? (a) vinegar (b) lemon juice (c) salt water (d) tamarind water
13. 13.🫧 Is vinegar an acid, a base or neutral? (a) an acid (b) neutral (c) a base
14. 14.🧺 Do we need a battery cell for the fizzy balloon? (a) needed (b) not needed
15. 15.⚖️ 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
16. 16.🫧 Which of these is an acid? (a) tamarind water (b) detergent water (c) sugar water (d) baking soda water
17. 17.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they float apart (b) they freeze (c) they become magnets (d) they react
18. 18.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a magnet (c) an empty bottle (d) baking soda
19. 19.True or false: vinegar is neutral. (a) False (b) True
20. 20.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a balloon (c) an empty bottle (d) a battery cell
21. 21.🫧 Is sugar water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
22. 22.⚖️ 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 measure it (c) we keep it the same
23. 23.🫧 Is soap solution an acid, a base or neutral? (a) neutral (b) a base (c) an acid
24. 24.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) an empty bottle (c) a magnet (d) a seed
25. 25.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
26. 26.🧺 Do we need a seed for the fizzy balloon? (a) needed (b) not needed
27. 27.🫧 Which of these is neutral? (a) curd (b) tamarind water (c) plain water (d) vinegar
28. 28.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a funnel or spoon (c) a magnet (d) a balloon
29. 29.⚖️ 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
30. 30.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) an empty bottle (c) a mirror (d) vinegar
31. 31.🧺 Do we need sugar for the fizzy balloon? (a) not needed (b) needed
32. 32.⚖️ 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
33. 33.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the same bottle (b) spoons of baking soda (c) size of the balloon
34. 34.True or false: detergent water is neutral. (a) True (b) False
35. 35.🫧 Which of these is neutral? (a) lemon juice (b) soap solution (c) sugar water (d) tamarind water
36. 36.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) vinegar (c) sugar (d) a mirror
37. 37.🎈 Why does the balloon blow up? (a) vinegar is hot (b) the bottle shrinks (c) gas is made inside (d) outside air gets in
38. 38.🫧 What do you see when baking soda meets vinegar? (a) it turns to ice (b) lots of fizzy bubbles (c) nothing at all (d) it glows in the dark
39. 39.True or false: an empty bottle is not needed for the fizzy balloon. (a) True (b) False
40. 40.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the kind of balloon (b) size of the balloon (c) the same bottle (d) the amount of vinegar

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