Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 493 · 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.🧺 Do we need a battery cell for the fizzy balloon? (a) needed (b) not needed
2. 2.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) a huge eruption (c) very little fizzing (d) the balloon bursts
3. 3.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
4. 4.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) helium (c) hydrogen (d) carbon dioxide
5. 5.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a seed (c) an empty bottle (d) a magnet
6. 6.🧺 Which of these is needed for the fizzy balloon? (a) baking soda (b) a battery cell (c) a comb (d) a magnet
7. 7.📘 Is the fizzing a sign that a new substance is made? (a) it is only melting (b) it is only dissolving (c) no, nothing changes (d) yes, a new gas forms
8. 8.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the amount of vinegar (b) spoons of baking soda (c) size of the balloon
9. 9.True or false: a magnet is needed for the fizzy balloon. (a) False (b) True
10. 10.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) it turns blue (c) there is no change (d) it grows bigger
11. 11.⚖️ 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) False (b) True
12. 12.🧺 Do we need sugar for the fizzy balloon? (a) not needed (b) needed
13. 13.True or false: vinegar is not needed for the fizzy balloon. (a) False (b) True
14. 14.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a balloon (c) a tray for spills (d) a magnet
15. 15.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) an empty bottle (c) a balloon (d) a battery cell
16. 16.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) the balloon got cold (c) the gas froze (d) an ingredient ran out
17. 17.⚖️ 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) the kind of balloon (d) size of the balloon
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.True or false: tamarind water is a base. (a) False (b) True
20. 20.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
21. 21.🫧 Is plain water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
22. 22.🫧 Which of these is neutral? (a) detergent water (b) orange juice (c) salt water (d) baking soda water
23. 23.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) needed (b) not needed
24. 24.True or false: a mirror is needed for the fizzy balloon. (a) True (b) False
25. 25.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
26. 26.True or false: baking soda is not needed for the fizzy balloon. (a) False (b) True
27. 27.🫧 Which of these is an acid? (a) baking soda water (b) detergent water (c) orange juice (d) salt water
28. 28.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a seed (c) a balloon (d) baking soda
29. 29.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) sugar (c) a mirror (d) a tray for spills
30. 30.🫧 Is vinegar an acid, a base or neutral? (a) an acid (b) neutral (c) a base
31. 31.🎈 Why does the balloon blow up? (a) the bottle shrinks (b) outside air gets in (c) vinegar is hot (d) gas is made inside
32. 32.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a mirror (b) baking soda (c) a funnel or spoon (d) an empty bottle
33. 33.🫧 Is tamarind water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
34. 34.⚖️ 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
35. 35.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) size of the balloon (b) the kind of balloon (c) spoons of baking soda
36. 36.True or false: a mirror is not needed for the fizzy balloon. (a) True (b) False
37. 37.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) an empty bottle (c) baking soda (d) sugar
38. 38.🧺 Do we need a tray for spills for the fizzy balloon? (a) needed (b) not needed
39. 39.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we keep it the same (b) we change it (c) we measure it
40. 40.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is the one thing we change. (a) True (b) False

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