Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 917 · 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.True or false: a battery cell is needed for the fizzy balloon. (a) False (b) True
2. 2.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is what we measure. (a) True (b) False
3. 3.🫧 Which of these is an acid? (a) baking soda water (b) plain water (c) salt water (d) vinegar
4. 4.⚖️ 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
5. 5.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) a funnel or spoon (c) a magnet (d) a balloon
6. 6.True or false: a comb is not needed for the fizzy balloon. (a) False (b) True
7. 7.🔍 Which is the odd one out? (a) vinegar (b) orange juice (c) soap solution (d) curd
8. 8.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
9. 9.True or false: plain water is an acid. (a) False (b) True
10. 10.⚖️ 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) spoons of baking soda (c) the same bottle (d) the amount of vinegar
11. 11.🧺 Which of these is not needed for the fizzy balloon? (a) a seed (b) baking soda (c) an empty bottle (d) a tray for spills
12. 12.True or false: vinegar is not needed for the fizzy balloon. (a) False (b) True
13. 13.🔍 Which is the odd one out? (a) orange juice (b) vinegar (c) lemon juice (d) plain water
14. 14.🫧 Is tamarind water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
15. 15.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a mirror (c) baking soda (d) a magnet
16. 16.True or false: baking soda is needed for the fizzy balloon. (a) False (b) True
17. 17.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
18. 18.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) rinse with clean water (c) ignore it (d) add baking soda
19. 19.🎈 Why does the balloon blow up? (a) gas is made inside (b) the bottle shrinks (c) vinegar is hot (d) outside air gets in
20. 20.🔍 Which is the odd one out? (a) plain water (b) salt water (c) sugar water (d) detergent water
21. 21.📘 Is the fizzing a sign that a new substance is made? (a) no, nothing changes (b) it is only melting (c) yes, a new gas forms (d) it is only dissolving
22. 22.🫧 Is plain water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
23. 23.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) very little fizzing (c) the balloon bursts (d) it turns to honey
24. 24.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) False (b) True
25. 25.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a comb (c) a seed (d) vinegar
26. 26.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is the one thing we change. (a) True (b) False
27. 27.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) carbon dioxide (b) helium (c) hydrogen (d) oxygen
28. 28.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
29. 29.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) needed (b) not needed
30. 30.🔍 Which is the odd one out? (a) detergent water (b) soap solution (c) lemon juice (d) baking soda water
31. 31.⚖️ 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 change it (c) we keep it the same
32. 32.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) spoons of baking soda (b) size of the balloon (c) the kind of balloon (d) the amount of vinegar
33. 33.True or false: an empty bottle is needed for the fizzy balloon. (a) False (b) True
34. 34.⚖️ 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
35. 35.⚖️ 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 keep it the same (c) we change it
36. 36.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
37. 37.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) an empty bottle (c) a mirror (d) a battery cell
38. 38.True or false: vinegar is an acid. (a) True (b) False
39. 39.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) sugar (b) a balloon (c) vinegar (d) an empty bottle
40. 40.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a seed (c) a magnet (d) a balloon

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