Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 505 · 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 safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) shake it near your face (c) keep it away from eyes (d) put it in your mouth
2. 2.🫧 Which of these is a base? (a) vinegar (b) baking soda water (c) tamarind water (d) sugar water
3. 3.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a mirror (b) baking soda (c) vinegar (d) an empty bottle
4. 4.🫧 Which of these is neutral? (a) vinegar (b) sugar water (c) lemon juice (d) curd
5. 5.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is kept the same. (a) False (b) True
6. 6.⚖️ 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
7. 7.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) spoons of baking soda (b) the kind of balloon (c) size of the balloon (d) the amount of vinegar
8. 8.🧺 Do we need a mirror for the fizzy balloon? (a) needed (b) not needed
9. 9.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) size of the balloon (b) spoons of baking soda (c) the same bottle
10. 10.⚖️ 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
11. 11.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is the one thing we change. (a) False (b) True
12. 12.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) the balloon bursts (c) very little fizzing (d) a huge eruption
13. 13.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we change it (b) we keep it the same (c) we measure it
14. 14.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they become magnets (b) they react (c) they freeze (d) they float apart
15. 15.🫧 Which of these is an acid? (a) vinegar (b) plain water (c) baking soda water (d) soap solution
16. 16.🫧 Is vinegar an acid, a base or neutral? (a) an acid (b) neutral (c) a base
17. 17.🫧 Is plain water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
18. 18.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a magnet (c) a balloon (d) vinegar
19. 19.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it turns blue (b) it shrinks (c) it grows bigger (d) there is no change
20. 20.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) a magnet (c) a tray for spills (d) a balloon
21. 21.True or false: orange juice is a base. (a) True (b) False
22. 22.🔍 Which is the odd one out? (a) curd (b) tamarind water (c) detergent water (d) lemon juice
23. 23.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
24. 24.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) helium (b) carbon dioxide (c) oxygen (d) hydrogen
25. 25.🔍 Which is the odd one out? (a) salt water (b) sugar water (c) plain water (d) vinegar
26. 26.True or false: detergent water is neutral. (a) True (b) False
27. 27.⚖️ 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) size of the balloon (c) the amount of vinegar (d) spoons of baking soda
28. 28.True or false: detergent water is a base. (a) True (b) False
29. 29.🫧 Which of these is an acid? (a) detergent water (b) curd (c) salt water (d) baking soda water
30. 30.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we measure it (b) we keep it the same (c) we change it
31. 31.🔍 Which is the odd one out? (a) plain water (b) salt water (c) lemon juice (d) sugar water
32. 32.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) baking soda (c) a funnel or spoon (d) sugar
33. 33.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a seed (c) a magnet (d) vinegar
34. 34.⚖️ 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
35. 35.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) add baking soda (c) rub it hard (d) rinse with clean water
36. 36.⚖️ 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 change it (c) we measure it
37. 37.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
38. 38.🔍 Which is the odd one out? (a) curd (b) orange juice (c) baking soda water (d) lemon juice
39. 39.True or false: vinegar is not needed for the fizzy balloon. (a) False (b) True
40. 40.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) False (b) True

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