Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 986 · 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 magnet (b) baking soda (c) vinegar (d) a balloon
2. 2.True or false: a funnel or spoon is needed for the fizzy balloon. (a) False (b) True
3. 3.True or false: curd is neutral. (a) True (b) False
4. 4.🎈 Why does the balloon blow up? (a) the bottle shrinks (b) outside air gets in (c) vinegar is hot (d) gas is made inside
5. 5.🧺 Which of these is needed for the fizzy balloon? (a) baking soda (b) a mirror (c) sugar (d) a magnet
6. 6.🫧 Is curd an acid, a base or neutral? (a) an acid (b) a base (c) neutral
7. 7.🫧 Is baking soda water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
8. 8.🔮 The fizzing stops after a while. Why? (a) the gas froze (b) the bottle got tired (c) an ingredient ran out (d) the balloon got cold
9. 9.⚖️ 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 keep it the same (c) we change it
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? What do we do with “the amount of vinegar”? (a) we measure it (b) we change it (c) we keep it the same
12. 12.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) keep it away from eyes (c) put it in your mouth (d) seal it in a glass jar
13. 13.🔍 Which is the odd one out? (a) soap solution (b) baking soda water (c) vinegar (d) detergent water
14. 14.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we keep it the same (b) we measure it (c) we change it
15. 15.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
16. 16.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the same bottle (b) size of the balloon (c) spoons of baking soda (d) the kind of balloon
17. 17.🔍 Which is the odd one out? (a) soap solution (b) curd (c) orange juice (d) tamarind water
18. 18.🧺 Do we need a balloon for the fizzy balloon? (a) needed (b) not needed
19. 19.⚖️ 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
20. 20.True or false: a battery cell is not needed for the fizzy balloon. (a) False (b) True
21. 21.⚖️ 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
22. 22.🫧 Is sugar water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
23. 23.⚖️ 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
24. 24.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a mirror (c) a balloon (d) baking soda
25. 25.True or false: salt water is an acid. (a) True (b) False
26. 26.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a seed (c) a balloon (d) baking soda
27. 27.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is what we measure. (a) False (b) True
28. 28.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a mirror (c) an empty bottle (d) a funnel or spoon
29. 29.🔍 Which is the odd one out? (a) salt water (b) plain water (c) sugar water (d) lemon juice
30. 30.🔍 Which is the odd one out? (a) vinegar (b) lemon juice (c) tamarind water (d) sugar water
31. 31.🔍 Which is the odd one out? (a) salt water (b) soap solution (c) detergent water (d) baking soda water
32. 32.⚖️ 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
33. 33.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is what we measure. (a) True (b) False
34. 34.🔍 Which is the odd one out? (a) baking soda water (b) orange juice (c) tamarind water (d) lemon juice
35. 35.🧺 Which of these is not needed for the fizzy balloon? (a) a battery cell (b) a tray for spills (c) an empty bottle (d) vinegar
36. 36.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) the balloon bursts (c) it turns to honey (d) very little fizzing
37. 37.True or false: vinegar is not needed for the fizzy balloon. (a) True (b) False
38. 38.📘 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 react (d) they freeze
39. 39.True or false: a comb is not needed for the fizzy balloon. (a) False (b) True
40. 40.🫧 Which of these is an acid? (a) detergent water (b) sugar water (c) baking soda water (d) tamarind water

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