Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 607 · 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.True or false: sugar is needed for the fizzy balloon. (a) False (b) True
3. 3.⚖️ 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
4. 4.🫧 Which of these is neutral? (a) tamarind water (b) sugar water (c) lemon juice (d) detergent water
5. 5.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) a huge eruption (c) very little fizzing (d) the balloon bursts
6. 6.🔮 The fizzing stops after a while. Why? (a) the gas froze (b) the balloon got cold (c) an ingredient ran out (d) the bottle got tired
7. 7.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a magnet (c) a battery cell (d) an empty bottle
8. 8.🛟 What should you do if vinegar splashes in your eye? (a) rinse with clean water (b) ignore it (c) rub it hard (d) add baking soda
9. 9.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) put it in your mouth (c) shake it near your face (d) keep it away from eyes
10. 10.True or false: a seed is not needed for the fizzy balloon. (a) False (b) True
11. 11.⚖️ 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 measure it (c) we change it
12. 12.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) vinegar (c) baking soda (d) a magnet
13. 13.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) size of the balloon (b) spoons of baking soda (c) the amount of vinegar (d) the same bottle
14. 14.⚖️ 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
15. 15.🧺 Do we need a magnet for the fizzy balloon? (a) needed (b) not needed
16. 16.🔍 Which is the odd one out? (a) sugar water (b) orange juice (c) vinegar (d) curd
17. 17.True or false: baking soda is not needed for the fizzy balloon. (a) True (b) False
18. 18.🔮 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
19. 19.🫧 Is orange juice an acid, a base or neutral? (a) a base (b) neutral (c) an acid
20. 20.🫧 Is detergent water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
21. 21.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) sugar (c) a balloon (d) a magnet
22. 22.📘 Is the fizzing a sign that a new substance is made? (a) yes, a new gas forms (b) it is only dissolving (c) no, nothing changes (d) it is only melting
23. 23.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the amount of vinegar (b) the same bottle (c) spoons of baking soda (d) the kind of balloon
24. 24.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) needed (b) not needed
25. 25.True or false: orange juice is an acid. (a) False (b) True
26. 26.🫧 Which of these is a base? (a) sugar water (b) detergent water (c) salt water (d) tamarind water
27. 27.🔍 Which is the odd one out? (a) tamarind water (b) curd (c) plain water (d) orange juice
28. 28.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a mirror (c) baking soda (d) sugar
29. 29.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a funnel or spoon (c) a comb (d) vinegar
30. 30.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they float apart (b) they become magnets (c) they freeze (d) they react
31. 31.🎈 Why does the balloon blow up? (a) vinegar is hot (b) outside air gets in (c) gas is made inside (d) the bottle shrinks
32. 32.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a seed (b) a balloon (c) a funnel or spoon (d) a tray for spills
33. 33.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) baking soda (c) an empty bottle (d) a mirror
34. 34.⚖️ 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 kind of balloon
35. 35.🧺 Do we need sugar for the fizzy balloon? (a) not needed (b) needed
36. 36.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
37. 37.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is the one thing we change. (a) False (b) True
38. 38.True or false: detergent water is an acid. (a) True (b) False
39. 39.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is kept the same. (a) False (b) True
40. 40.🫧 Which of these is neutral? (a) curd (b) orange juice (c) vinegar (d) plain water

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