Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 286 · 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? Which of these is what we measure? (a) size of the balloon (b) spoons of baking soda (c) the kind of balloon (d) the same bottle
2. 2.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a seed (c) a comb (d) a tray for spills
3. 3.🫧 Is plain water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
4. 4.🫧 Which of these is neutral? (a) curd (b) detergent water (c) baking soda water (d) salt water
5. 5.True or false: an empty bottle is not needed for the fizzy balloon. (a) False (b) True
6. 6.True or false: tamarind water is neutral. (a) True (b) False
7. 7.True or false: a tray for spills is not needed for the fizzy balloon. (a) False (b) True
8. 8.🫧 Which of these is a base? (a) curd (b) plain water (c) sugar water (d) detergent water
9. 9.🔍 Which is the odd one out? (a) baking soda water (b) salt water (c) plain water (d) sugar water
10. 10.🔍 Which is the odd one out? (a) curd (b) vinegar (c) orange juice (d) soap solution
11. 11.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) an empty bottle (c) vinegar (d) a magnet
12. 12.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) shake it near your face (c) keep it away from eyes (d) seal it in a glass jar
13. 13.True or false: lemon juice is an acid. (a) False (b) True
14. 14.🔍 Which is the odd one out? (a) sugar water (b) lemon juice (c) salt water (d) plain water
15. 15.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a mirror (b) vinegar (c) an empty bottle (d) baking soda
16. 16.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) hydrogen (b) oxygen (c) carbon dioxide (d) helium
17. 17.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
18. 18.🫧 Which of these is an acid? (a) tamarind water (b) baking soda water (c) soap solution (d) salt water
19. 19.True or false: sugar is needed for the fizzy balloon. (a) True (b) False
20. 20.🧺 Which of these is needed for the fizzy balloon? (a) an empty bottle (b) a magnet (c) a seed (d) a comb
21. 21.🫧 Is soap solution an acid, a base or neutral? (a) neutral (b) an acid (c) a base
22. 22.True or false: baking soda water is a base. (a) False (b) True
23. 23.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a seed (c) a funnel or spoon (d) a mirror
24. 24.⚖️ 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
25. 25.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) vinegar (c) a balloon (d) a comb
26. 26.⚖️ 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) size of the balloon (d) spoons of baking soda
27. 27.True or false: a comb is needed for the fizzy balloon. (a) False (b) True
28. 28.⚖️ 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
29. 29.True or false: vinegar is a base. (a) False (b) True
30. 30.⚖️ 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
31. 31.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a balloon (c) a comb (d) baking soda
32. 32.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) True (b) False
33. 33.True or false: curd is an acid. (a) True (b) False
34. 34.🎈 Why does the balloon blow up? (a) vinegar is hot (b) gas is made inside (c) outside air gets in (d) the bottle shrinks
35. 35.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
36. 36.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a tray for spills (c) a battery cell (d) a funnel or spoon
37. 37.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is what we measure. (a) True (b) False
38. 38.🫧 Is lemon juice an acid, a base or neutral? (a) neutral (b) a base (c) an acid
39. 39.⚖️ 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 same bottle
40. 40.🔍 Which is the odd one out? (a) vinegar (b) salt water (c) plain water (d) sugar water

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