Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 619 · 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) baking soda (b) vinegar (c) a seed (d) a funnel or spoon
2. 2.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a comb (c) a battery cell (d) a tray for spills
3. 3.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) it grows bigger (c) there is no change (d) it turns blue
4. 4.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) keep it away from eyes (c) shake it near your face (d) put it in your mouth
5. 5.🔍 Which is the odd one out? (a) orange juice (b) lemon juice (c) salt water (d) vinegar
6. 6.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) rinse with clean water (c) rub it hard (d) add baking soda
7. 7.🫧 Is detergent water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
8. 8.True or false: an empty bottle is not needed for the fizzy balloon. (a) False (b) True
9. 9.🫧 Is sugar water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
10. 10.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a comb (c) vinegar (d) a funnel or spoon
11. 11.🫧 Which of these is an acid? (a) sugar water (b) lemon juice (c) detergent water (d) salt water
12. 12.🫧 Which of these is a base? (a) plain water (b) baking soda water (c) sugar water (d) vinegar
13. 13.⚖️ 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) size of the balloon (d) the amount of vinegar
14. 14.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we measure it (b) we keep it the same (c) we change it
15. 15.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is the one thing we change. (a) True (b) False
16. 16.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
17. 17.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
18. 18.True or false: vinegar is an acid. (a) True (b) False
19. 19.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) sugar (c) baking soda (d) vinegar
20. 20.🧺 Which of these is not needed for the fizzy balloon? (a) a battery cell (b) baking soda (c) a tray for spills (d) a balloon
21. 21.True or false: orange juice is an acid. (a) False (b) True
22. 22.📘 Is the fizzing a sign that a new substance is made? (a) no, nothing changes (b) it is only dissolving (c) yes, a new gas forms (d) it is only melting
23. 23.🫧 Is curd an acid, a base or neutral? (a) an acid (b) a base (c) neutral
24. 24.🔍 Which is the odd one out? (a) vinegar (b) lemon juice (c) soap solution (d) tamarind water
25. 25.🔍 Which is the odd one out? (a) curd (b) tamarind water (c) sugar water (d) vinegar
26. 26.⚖️ 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 amount of vinegar (c) size of the balloon
27. 27.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a funnel or spoon (c) a seed (d) a battery cell
28. 28.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) an ingredient ran out (c) the gas froze (d) the balloon got cold
29. 29.🫧 Is soap solution an acid, a base or neutral? (a) a base (b) neutral (c) an acid
30. 30.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a seed (c) a comb (d) baking soda
31. 31.🫧 Is vinegar an acid, a base or neutral? (a) a base (b) an acid (c) neutral
32. 32.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a mirror (c) baking soda (d) an empty bottle
33. 33.⚖️ 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 kind of balloon (c) size of the balloon
34. 34.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) it turns to ice (c) lots of fizzy bubbles (d) it glows in the dark
35. 35.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
36. 36.⚖️ 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
37. 37.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a mirror (c) a seed (d) an empty bottle
38. 38.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
39. 39.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we measure it (b) we change it (c) we keep it the same
40. 40.🎈 Why does the balloon blow up? (a) vinegar is hot (b) gas is made inside (c) the bottle shrinks (d) outside air gets in

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