Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 32 · 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 of these is not needed for the fizzy balloon? (a) vinegar (b) a tray for spills (c) a battery cell (d) a funnel or spoon
2. 2.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
3. 3.🫧 Is orange juice an acid, a base or neutral? (a) neutral (b) a base (c) an acid
4. 4.True or false: a funnel or spoon is needed for the fizzy balloon. (a) False (b) True
5. 5.⚖️ 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
6. 6.🫧 Which of these is a base? (a) tamarind water (b) sugar water (c) orange juice (d) soap solution
7. 7.⚖️ 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 change it (c) we keep it the same
8. 8.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) a balloon (c) vinegar (d) a seed
9. 9.🫧 Is plain water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
10. 10.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) vinegar (c) a tray for spills (d) a magnet
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 seed (d) vinegar
12. 12.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) hydrogen (b) carbon dioxide (c) helium (d) oxygen
13. 13.⚖️ 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 measure it (c) we keep it the same
14. 14.🧺 Do we need a battery cell for the fizzy balloon? (a) needed (b) not needed
15. 15.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) vinegar (c) a tray for spills (d) a mirror
16. 16.🔍 Which is the odd one out? (a) lemon juice (b) plain water (c) salt water (d) sugar water
17. 17.🫧 Which of these is neutral? (a) vinegar (b) soap solution (c) tamarind water (d) sugar water
18. 18.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) an empty bottle (c) a mirror (d) a tray for spills
19. 19.⚖️ 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 kind of balloon (d) spoons of baking soda
20. 20.⚖️ 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) spoons of baking soda (c) the same bottle (d) size of the balloon
21. 21.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) True (b) False
22. 22.True or false: soap solution is neutral. (a) True (b) False
23. 23.🫧 Is tamarind water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
24. 24.True or false: baking soda water is an acid. (a) False (b) True
25. 25.⚖️ 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 amount of vinegar
26. 26.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a magnet (c) a mirror (d) a funnel or spoon
27. 27.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the kind of balloon (b) size of the balloon (c) spoons of baking soda
28. 28.True or false: vinegar is a base. (a) False (b) True
29. 29.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
30. 30.True or false: tamarind water is neutral. (a) False (b) True
31. 31.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is what we measure. (a) False (b) True
32. 32.🛟 What should you do if vinegar splashes in your eye? (a) rinse with clean water (b) rub it hard (c) ignore it (d) add baking soda
33. 33.True or false: lemon juice is an acid. (a) True (b) False
34. 34.🫧 Which of these is a base? (a) sugar water (b) baking soda water (c) salt water (d) orange juice
35. 35.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is kept the same. (a) False (b) True
36. 36.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) vinegar (c) baking soda (d) a comb
37. 37.🫧 Is salt water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
38. 38.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is the one thing we change. (a) True (b) False
39. 39.📘 Is the fizzing a sign that a new substance is made? (a) it is only melting (b) it is only dissolving (c) yes, a new gas forms (d) no, nothing changes
40. 40.True or false: detergent water is neutral. (a) False (b) True

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