Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 814 · 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.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a comb (b) a funnel or spoon (c) baking soda (d) vinegar
2. 2.🧺 Do we need a tray for spills for the fizzy balloon? (a) needed (b) not needed
3. 3.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) vinegar (c) a mirror (d) a magnet
4. 4.True or false: tamarind water is neutral. (a) True (b) False
5. 5.🧺 Which of these is not needed for the fizzy balloon? (a) a magnet (b) a funnel or spoon (c) a tray for spills (d) an empty bottle
6. 6.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) it turns blue (c) there is no change (d) it grows bigger
7. 7.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
8. 8.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a funnel or spoon (c) a seed (d) baking soda
9. 9.🫧 Is detergent water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
10. 10.🫧 Which of these is a base? (a) lemon juice (b) salt water (c) baking soda water (d) plain water
11. 11.True or false: curd is an acid. (a) False (b) True
12. 12.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a tray for spills (c) a battery cell (d) an empty bottle
13. 13.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the amount of vinegar (b) the kind of balloon (c) the same bottle (d) size of the balloon
14. 14.True or false: sugar is not needed for the fizzy balloon. (a) False (b) True
15. 15.⚖️ 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
16. 16.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
17. 17.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) hydrogen (b) oxygen (c) helium (d) carbon dioxide
18. 18.True or false: lemon juice is neutral. (a) False (b) True
19. 19.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is kept the same. (a) True (b) False
20. 20.True or false: a balloon is not needed for the fizzy balloon. (a) True (b) False
21. 21.🫧 Which of these is neutral? (a) soap solution (b) orange juice (c) baking soda water (d) salt water
22. 22.🫧 Which of these is a base? (a) curd (b) lemon juice (c) plain water (d) soap solution
23. 23.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) needed (b) not needed
24. 24.⚖️ 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
25. 25.⚖️ 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 change it (c) we keep it the same
26. 26.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) an ingredient ran out (c) the gas froze (d) the balloon got cold
27. 27.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
28. 28.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) rub it hard (c) rinse with clean water (d) add baking soda
29. 29.⚖️ 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) the amount of vinegar (c) spoons of baking soda (d) the kind of balloon
30. 30.⚖️ 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
31. 31.🧺 Do we need a battery cell for the fizzy balloon? (a) needed (b) not needed
32. 32.⚖️ 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
33. 33.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a tray for spills (c) a battery cell (d) sugar
34. 34.⚖️ 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
35. 35.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a mirror (b) a funnel or spoon (c) a balloon (d) a tray for spills
36. 36.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
37. 37.🫧 Is lemon juice an acid, a base or neutral? (a) a base (b) an acid (c) neutral
38. 38.🧺 Do we need a seed for the fizzy balloon? (a) needed (b) not needed
39. 39.🎈 Why does the balloon blow up? (a) the bottle shrinks (b) vinegar is hot (c) outside air gets in (d) gas is made inside
40. 40.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we keep it the same (b) we measure it (c) we change it

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