Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 863 · 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.⚖️ 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
2. 2.⚖️ 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
3. 3.🧺 Which of these is needed for the fizzy balloon? (a) an empty bottle (b) a mirror (c) a battery cell (d) sugar
4. 4.🫧 Is vinegar an acid, a base or neutral? (a) neutral (b) a base (c) an acid
5. 5.🫧 Which of these is neutral? (a) baking soda water (b) soap solution (c) orange juice (d) salt water
6. 6.🔍 Which is the odd one out? (a) plain water (b) tamarind water (c) curd (d) orange juice
7. 7.🫧 Is lemon juice an acid, a base or neutral? (a) an acid (b) a base (c) neutral
8. 8.⚖️ 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
9. 9.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) a battery cell (c) vinegar (d) a funnel or spoon
10. 10.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the kind of balloon (b) spoons of baking soda (c) the amount of vinegar (d) size of the balloon
11. 11.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) an ingredient ran out (c) the balloon got cold (d) the gas froze
12. 12.🫧 Is sugar water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
13. 13.True or false: salt water is neutral. (a) False (b) True
14. 14.True or false: vinegar is not needed for the fizzy balloon. (a) False (b) True
15. 15.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a balloon (c) a mirror (d) a magnet
16. 16.🔍 Which is the odd one out? (a) vinegar (b) orange juice (c) sugar water (d) tamarind water
17. 17.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is what we measure. (a) False (b) True
18. 18.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) size of the balloon (b) the same bottle (c) spoons of baking soda (d) the kind of balloon
19. 19.⚖️ 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
20. 20.True or false: vinegar is needed for the fizzy balloon. (a) False (b) True
21. 21.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) hydrogen (b) helium (c) oxygen (d) carbon dioxide
22. 22.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) seal it in a glass jar (c) keep it away from eyes (d) put it in your mouth
23. 23.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the kind of balloon (b) spoons of baking soda (c) size of the balloon
24. 24.🫧 Is orange juice an acid, a base or neutral? (a) a base (b) an acid (c) neutral
25. 25.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
26. 26.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) baking soda (c) a magnet (d) vinegar
27. 27.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is kept the same. (a) False (b) True
28. 28.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is kept the same. (a) True (b) False
29. 29.🫧 Is plain water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
30. 30.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) there is no change (b) it turns blue (c) it grows bigger (d) it shrinks
31. 31.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a battery cell (c) a tray for spills (d) a mirror
32. 32.🫧 Which of these is neutral? (a) lemon juice (b) plain water (c) detergent water (d) tamarind water
33. 33.True or false: a battery cell is not needed for the fizzy balloon. (a) False (b) True
34. 34.True or false: baking soda water is an acid. (a) False (b) True
35. 35.True or false: plain water is a base. (a) True (b) False
36. 36.🫧 Which of these is neutral? (a) vinegar (b) tamarind water (c) lemon juice (d) sugar water
37. 37.🔍 Which is the odd one out? (a) salt water (b) detergent water (c) plain water (d) sugar water
38. 38.True or false: soap solution is a base. (a) False (b) True
39. 39.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) an empty bottle (c) a seed (d) a tray for spills
40. 40.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a balloon (c) a comb (d) an empty bottle

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