Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 268 · 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.🫧 Is baking soda water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
2. 2.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) keep it away from eyes (c) put it in your mouth (d) seal it in a glass jar
3. 3.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a tray for spills (c) a seed (d) a battery cell
4. 4.🫧 Which of these is an acid? (a) baking soda water (b) detergent water (c) vinegar (d) salt water
5. 5.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) helium (b) oxygen (c) carbon dioxide (d) hydrogen
6. 6.True or false: an empty bottle is needed for the fizzy balloon. (a) False (b) True
7. 7.🔮 The fizzing stops after a while. Why? (a) the balloon got cold (b) the gas froze (c) the bottle got tired (d) an ingredient ran out
8. 8.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is kept the same. (a) False (b) True
9. 9.⚖️ 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
10. 10.🫧 Which of these is a base? (a) orange juice (b) soap solution (c) salt water (d) lemon juice
11. 11.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is kept the same. (a) True (b) False
12. 12.⚖️ 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
13. 13.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) there is no change (c) it grows bigger (d) it turns blue
14. 14.🫧 Is curd an acid, a base or neutral? (a) an acid (b) a base (c) neutral
15. 15.⚖️ 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 same bottle
16. 16.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) rinse with clean water (c) rub it hard (d) ignore it
17. 17.🔍 Which is the odd one out? (a) vinegar (b) curd (c) orange juice (d) plain water
18. 18.🫧 Is vinegar an acid, a base or neutral? (a) neutral (b) a base (c) an acid
19. 19.⚖️ 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
20. 20.⚖️ 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
21. 21.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) baking soda (c) a balloon (d) a mirror
22. 22.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a balloon (c) sugar (d) an empty bottle
23. 23.🎈 Why does the balloon blow up? (a) vinegar is hot (b) gas is made inside (c) outside air gets in (d) the bottle shrinks
24. 24.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) a balloon (c) baking soda (d) a magnet
25. 25.🔮 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
26. 26.True or false: plain water is neutral. (a) True (b) False
27. 27.🔍 Which is the odd one out? (a) lemon juice (b) vinegar (c) tamarind water (d) baking soda water
28. 28.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) an empty bottle (c) sugar (d) vinegar
29. 29.🧺 Do we need a battery cell for the fizzy balloon? (a) not needed (b) needed
30. 30.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we measure it (b) we keep it the same (c) we change it
31. 31.📘 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
32. 32.True or false: sugar water is an acid. (a) False (b) True
33. 33.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) False (b) True
34. 34.🧺 Which of these is needed for the fizzy balloon? (a) an empty bottle (b) a magnet (c) sugar (d) a comb
35. 35.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the kind of balloon (b) the same bottle (c) the amount of vinegar (d) size of the balloon
36. 36.True or false: a comb is not needed for the fizzy balloon. (a) False (b) True
37. 37.⚖️ 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 measure it (c) we change it
38. 38.🫧 Which of these is a base? (a) orange juice (b) vinegar (c) detergent water (d) sugar water
39. 39.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
40. 40.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a funnel or spoon (c) a magnet (d) a mirror

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