Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 242 · 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) the amount of vinegar (b) size of the balloon (c) the same bottle (d) the kind of balloon
2. 2.🔍 Which is the odd one out? (a) soap solution (b) detergent water (c) baking soda water (d) vinegar
3. 3.True or false: an empty bottle is not needed for the fizzy balloon. (a) False (b) True
4. 4.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) it turns to honey (c) the balloon bursts (d) very little fizzing
5. 5.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) carbon dioxide (b) helium (c) oxygen (d) hydrogen
6. 6.🧺 Which of these is not needed for the fizzy balloon? (a) a mirror (b) a tray for spills (c) vinegar (d) baking soda
7. 7.⚖️ 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
8. 8.🛟 What should you do if vinegar splashes in your eye? (a) rinse with clean water (b) add baking soda (c) ignore it (d) rub it hard
9. 9.⚖️ 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
10. 10.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it grows bigger (b) it turns blue (c) there is no change (d) it shrinks
11. 11.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) baking soda (c) a magnet (d) a tray for spills
12. 12.🫧 Which of these is a base? (a) soap solution (b) plain water (c) curd (d) sugar water
13. 13.True or false: lemon juice is neutral. (a) True (b) False
14. 14.🛟 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
15. 15.🫧 Is curd an acid, a base or neutral? (a) a base (b) an acid (c) neutral
16. 16.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a seed (c) sugar (d) a balloon
17. 17.🔍 Which is the odd one out? (a) curd (b) sugar water (c) vinegar (d) orange juice
18. 18.True or false: a comb is not needed for the fizzy balloon. (a) True (b) False
19. 19.True or false: a balloon is needed for the fizzy balloon. (a) False (b) True
20. 20.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is kept the same. (a) False (b) True
21. 21.🫧 Is lemon juice an acid, a base or neutral? (a) a base (b) neutral (c) an acid
22. 22.🔍 Which is the odd one out? (a) baking soda water (b) salt water (c) sugar water (d) plain water
23. 23.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) True (b) False
24. 24.🫧 Is sugar water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
25. 25.🔍 Which is the odd one out? (a) tamarind water (b) vinegar (c) plain water (d) lemon juice
26. 26.⚖️ 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 change it (c) we measure it
27. 27.🫧 Which of these is neutral? (a) lemon juice (b) sugar water (c) baking soda water (d) tamarind water
28. 28.🫧 Which of these is an acid? (a) soap solution (b) curd (c) detergent water (d) plain water
29. 29.⚖️ 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 keep it the same (c) we change it
30. 30.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a mirror (c) a balloon (d) an empty bottle
31. 31.🧺 Do we need a comb for the fizzy balloon? (a) not needed (b) needed
32. 32.⚖️ 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 kind of balloon (c) spoons of baking soda (d) the same bottle
33. 33.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) baking soda (c) an empty bottle (d) a comb
34. 34.🫧 Is salt water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
35. 35.⚖️ 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
36. 36.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a tray for spills (c) a balloon (d) sugar
37. 37.🫧 Is plain water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
38. 38.🔍 Which is the odd one out? (a) salt water (b) curd (c) vinegar (d) tamarind water
39. 39.True or false: curd is an acid. (a) False (b) True
40. 40.True or false: a battery cell is needed for the fizzy balloon. (a) True (b) False

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