Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 278 · 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 needed for the fizzy balloon? (a) a battery cell (b) sugar (c) an empty bottle (d) a mirror
2. 2.⚖️ 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
3. 3.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a balloon (c) vinegar (d) a battery cell
4. 4.True or false: orange juice is an acid. (a) True (b) False
5. 5.🫧 Is vinegar an acid, a base or neutral? (a) neutral (b) an acid (c) a base
6. 6.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a funnel or spoon (c) a mirror (d) baking soda
7. 7.🫧 Which of these is a base? (a) orange juice (b) baking soda water (c) lemon juice (d) curd
8. 8.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is what we measure. (a) False (b) True
9. 9.🫧 Which of these is a base? (a) detergent water (b) lemon juice (c) sugar water (d) plain water
10. 10.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the amount of vinegar (b) spoons of baking soda (c) size of the balloon
11. 11.🧺 Which of these is not needed for the fizzy balloon? (a) a mirror (b) vinegar (c) a tray for spills (d) a funnel or spoon
12. 12.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is kept the same. (a) True (b) False
13. 13.⚖️ 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 keep it the same (c) we measure it
14. 14.🎈 Why does the balloon blow up? (a) the bottle shrinks (b) vinegar is hot (c) gas is made inside (d) outside air gets in
15. 15.🔮 Predict: you use plain water instead of vinegar. What happens? (a) very little fizzing (b) a huge eruption (c) the balloon bursts (d) it turns to honey
16. 16.🫧 Is curd an acid, a base or neutral? (a) a base (b) neutral (c) an acid
17. 17.⚖️ 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) size of the balloon (c) the amount of vinegar (d) the same bottle
18. 18.🔍 Which is the odd one out? (a) baking soda water (b) detergent water (c) vinegar (d) soap solution
19. 19.🧺 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) sugar
20. 20.🫧 Is salt water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
21. 21.🔍 Which is the odd one out? (a) orange juice (b) baking soda water (c) detergent water (d) soap solution
22. 22.🔍 Which is the odd one out? (a) detergent water (b) soap solution (c) baking soda water (d) lemon juice
23. 23.🫧 Which of these is a base? (a) soap solution (b) vinegar (c) curd (d) tamarind water
24. 24.True or false: an empty bottle is not needed for the fizzy balloon. (a) False (b) True
25. 25.⚖️ 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 change it (c) we keep it the same
26. 26.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it turns blue (b) it grows bigger (c) there is no change (d) it shrinks
27. 27.🛟 Which safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) shake it near your face (c) seal it in a glass jar (d) put it in your mouth
28. 28.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a balloon (c) sugar (d) a magnet
29. 29.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is the one thing we change. (a) False (b) True
30. 30.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we measure it (b) we keep it the same (c) we change it
31. 31.True or false: baking soda water is a base. (a) True (b) False
32. 32.🫧 Is soap solution an acid, a base or neutral? (a) an acid (b) neutral (c) a base
33. 33.True or false: curd is a base. (a) True (b) False
34. 34.True or false: a balloon is not needed for the fizzy balloon. (a) False (b) True
35. 35.🔮 The fizzing stops after a while. Why? (a) the balloon got cold (b) the gas froze (c) the bottle got tired (d) an ingredient ran out
36. 36.True or false: sugar water is neutral. (a) True (b) False
37. 37.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a battery cell (c) sugar (d) a funnel or spoon
38. 38.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
39. 39.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) vinegar (c) a comb (d) baking soda
40. 40.🫧 Which of these is an acid? (a) soap solution (b) detergent water (c) vinegar (d) baking soda water

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