Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 805 · 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 needed for the fizzy balloon? (a) a mirror (b) a balloon (c) sugar (d) a battery cell
2. 2.📘 Is the fizzing a sign that a new substance is made? (a) no, nothing changes (b) it is only dissolving (c) it is only melting (d) yes, a new gas forms
3. 3.⚖️ 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
4. 4.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
5. 5.True or false: baking soda is not needed for the fizzy balloon. (a) True (b) False
6. 6.🫧 Is salt water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
7. 7.⚖️ 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
8. 8.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the same bottle (b) size of the balloon (c) spoons of baking soda
9. 9.🧺 Do we need vinegar for the fizzy balloon? (a) needed (b) not needed
10. 10.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a comb (c) sugar (d) baking soda
11. 11.🧺 Do we need a tray for spills for the fizzy balloon? (a) needed (b) not needed
12. 12.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a tray for spills (c) a mirror (d) a seed
13. 13.🔍 Which is the odd one out? (a) salt water (b) sugar water (c) plain water (d) baking soda water
14. 14.True or false: baking soda is needed for the fizzy balloon. (a) False (b) True
15. 15.🧺 Do we need a seed for the fizzy balloon? (a) not needed (b) needed
16. 16.🧺 Do we need a mirror for the fizzy balloon? (a) needed (b) not needed
17. 17.⚖️ 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 change it (c) we measure it
18. 18.True or false: vinegar is a base. (a) True (b) False
19. 19.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) baking soda (c) vinegar (d) a comb
20. 20.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) rub it hard (c) add baking soda (d) rinse with clean water
21. 21.⚖️ 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 amount of vinegar
22. 22.🔍 Which is the odd one out? (a) sugar water (b) plain water (c) salt water (d) soap solution
23. 23.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) helium (b) carbon dioxide (c) hydrogen (d) oxygen
24. 24.True or false: sugar water is neutral. (a) True (b) False
25. 25.🫧 Is lemon juice an acid, a base or neutral? (a) a base (b) neutral (c) an acid
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.True or false: a comb is needed for the fizzy balloon. (a) False (b) True
28. 28.True or false: vinegar is not needed for the fizzy balloon. (a) True (b) False
29. 29.⚖️ 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
30. 30.🧺 Do we need a battery cell for the fizzy balloon? (a) not needed (b) needed
31. 31.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) a balloon (c) an empty bottle (d) a mirror
32. 32.True or false: a mirror is needed for the fizzy balloon. (a) False (b) True
33. 33.🔮 Predict: you use plain water instead of vinegar. What happens? (a) the balloon bursts (b) it turns to honey (c) a huge eruption (d) very little fizzing
34. 34.⚖️ 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 kind of balloon
35. 35.🫧 Which of these is an acid? (a) baking soda water (b) detergent water (c) plain water (d) tamarind water
36. 36.⚖️ 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
37. 37.🧺 Do we need a balloon for the fizzy balloon? (a) needed (b) not needed
38. 38.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the same bottle (b) spoons of baking soda (c) size of the balloon (d) the kind of balloon
39. 39.🫧 Which of these is a base? (a) tamarind water (b) plain water (c) sugar water (d) baking soda water
40. 40.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they float apart (b) they become magnets (c) they freeze (d) they react

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