Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 413 · 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? True or false: size of the balloon is what we measure. (a) True (b) False
2. 2.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we change it (b) we keep it the same (c) we measure it
3. 3.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a comb (c) a funnel or spoon (d) a tray for spills
4. 4.🧺 Do we need sugar for the fizzy balloon? (a) not needed (b) needed
5. 5.🫧 Which of these is a base? (a) salt water (b) lemon juice (c) plain water (d) detergent water
6. 6.True or false: a magnet is needed for the fizzy balloon. (a) True (b) False
7. 7.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is kept the same. (a) True (b) False
8. 8.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) spoons of baking soda (b) the kind of balloon (c) size of the balloon
9. 9.🔍 Which is the odd one out? (a) baking soda water (b) detergent water (c) soap solution (d) tamarind water
10. 10.⚖️ 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 measure it (c) we keep it the same
11. 11.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) size of the balloon (b) the kind of balloon (c) the amount of vinegar (d) spoons of baking soda
12. 12.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) baking soda (c) a balloon (d) sugar
13. 13.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) hydrogen (b) helium (c) carbon dioxide (d) oxygen
14. 14.⚖️ 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
15. 15.⚖️ 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) spoons of baking soda (d) size of the balloon
16. 16.True or false: a magnet is not needed for the fizzy balloon. (a) False (b) True
17. 17.🔮 The fizzing stops after a while. Why? (a) an ingredient ran out (b) the gas froze (c) the bottle got tired (d) the balloon got cold
18. 18.🫧 Which of these is an acid? (a) vinegar (b) sugar water (c) salt water (d) detergent water
19. 19.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
20. 20.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
21. 21.⚖️ 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
22. 22.🧺 Do we need a seed for the fizzy balloon? (a) needed (b) not needed
23. 23.True or false: an empty bottle is not needed for the fizzy balloon. (a) True (b) False
24. 24.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a mirror (c) sugar (d) a balloon
25. 25.🧺 Do we need a magnet for the fizzy balloon? (a) needed (b) not needed
26. 26.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a balloon (c) a funnel or spoon (d) a comb
27. 27.True or false: lemon juice is an acid. (a) False (b) True
28. 28.True or false: baking soda water is a base. (a) False (b) True
29. 29.🧺 Do we need vinegar for the fizzy balloon? (a) needed (b) not needed
30. 30.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a battery cell (c) an empty bottle (d) a tray for spills
31. 31.🔍 Which is the odd one out? (a) plain water (b) baking soda water (c) soap solution (d) detergent water
32. 32.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a mirror (b) a balloon (c) vinegar (d) an empty bottle
33. 33.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) rinse with clean water (c) add baking soda (d) rub it hard
34. 34.⚖️ 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
35. 35.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is kept the same. (a) False (b) True
36. 36.True or false: a tray for spills is needed for the fizzy balloon. (a) False (b) True
37. 37.🫧 Is plain water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
38. 38.🔍 Which is the odd one out? (a) sugar water (b) plain water (c) vinegar (d) salt water
39. 39.🫧 Is orange juice an acid, a base or neutral? (a) an acid (b) a base (c) neutral
40. 40.True or false: curd is an acid. (a) False (b) True

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