Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 710 · 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? 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
2. 2.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) helium (c) hydrogen (d) carbon dioxide
3. 3.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) rinse with clean water (c) rub it hard (d) add baking soda
4. 4.True or false: vinegar is a base. (a) True (b) False
5. 5.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a magnet (b) baking soda (c) an empty bottle (d) vinegar
6. 6.🫧 Which of these is an acid? (a) curd (b) salt water (c) baking soda water (d) plain water
7. 7.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a funnel or spoon (c) a mirror (d) a balloon
8. 8.🫧 Is baking soda water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
9. 9.⚖️ 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
10. 10.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a seed (c) an empty bottle (d) baking soda
11. 11.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) it glows in the dark (c) lots of fizzy bubbles (d) it turns to ice
12. 12.🫧 Which of these is neutral? (a) baking soda water (b) vinegar (c) orange juice (d) plain water
13. 13.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) sugar (c) a magnet (d) a tray for spills
14. 14.🧺 Which of these is not needed for the fizzy balloon? (a) a seed (b) an empty bottle (c) a tray for spills (d) a balloon
15. 15.True or false: plain water is a base. (a) True (b) False
16. 16.True or false: baking soda water is an acid. (a) True (b) False
17. 17.True or false: an empty bottle is needed for the fizzy balloon. (a) False (b) True
18. 18.🫧 Is tamarind water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
19. 19.True or false: baking soda is not needed for the fizzy balloon. (a) True (b) False
20. 20.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a magnet (c) a seed (d) vinegar
21. 21.True or false: tamarind water is an acid. (a) True (b) False
22. 22.True or false: a comb is needed for the fizzy balloon. (a) False (b) True
23. 23.🧺 Which of these is needed for the fizzy balloon? (a) a balloon (b) a battery cell (c) a magnet (d) sugar
24. 24.⚖️ 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
25. 25.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) there is no change (c) it turns blue (d) it grows bigger
26. 26.🧺 Do we need a battery cell for the fizzy balloon? (a) needed (b) not needed
27. 27.🫧 Which of these is a base? (a) orange juice (b) plain water (c) baking soda water (d) salt water
28. 28.🫧 Is vinegar an acid, a base or neutral? (a) an acid (b) neutral (c) a base
29. 29.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is what we measure. (a) True (b) False
30. 30.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) baking soda (c) a magnet (d) a seed
31. 31.True or false: curd is a base. (a) False (b) True
32. 32.⚖️ 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 measure it (c) we change it
33. 33.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
34. 34.⚖️ 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
35. 35.⚖️ 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 change it (c) we keep it the same
36. 36.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a tray for spills (c) a comb (d) a balloon
37. 37.🎈 Why does the balloon blow up? (a) gas is made inside (b) vinegar is hot (c) outside air gets in (d) the bottle shrinks
38. 38.🔍 Which is the odd one out? (a) sugar water (b) plain water (c) orange juice (d) salt water
39. 39.⚖️ 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
40. 40.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) the balloon bursts (c) it turns to honey (d) very little fizzing

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