Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 813 · 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 not needed for the fizzy balloon? (a) baking soda (b) an empty bottle (c) a tray for spills (d) a magnet
2. 2.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a mirror (c) vinegar (d) a funnel or spoon
3. 3.🧺 Do we need a magnet for the fizzy balloon? (a) needed (b) not needed
4. 4.True or false: a seed is needed for the fizzy balloon. (a) True (b) False
5. 5.⚖️ 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
6. 6.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) baking soda (c) an empty bottle (d) a seed
7. 7.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a battery cell (b) an empty bottle (c) a tray for spills (d) a funnel or spoon
8. 8.📘 Is the fizzing a sign that a new substance is made? (a) it is only melting (b) yes, a new gas forms (c) no, nothing changes (d) it is only dissolving
9. 9.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) a tray for spills (c) a comb (d) a balloon
10. 10.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) the gas froze (c) an ingredient ran out (d) the balloon got cold
11. 11.🫧 Is baking soda water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
12. 12.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a comb (c) a funnel or spoon (d) a magnet
13. 13.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
14. 14.🛟 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
15. 15.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) helium (b) carbon dioxide (c) hydrogen (d) oxygen
16. 16.🫧 Which of these is a base? (a) soap solution (b) tamarind water (c) vinegar (d) salt water
17. 17.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) a funnel or spoon (c) vinegar (d) a mirror
18. 18.True or false: baking soda water is a base. (a) False (b) True
19. 19.🫧 Which of these is a base? (a) plain water (b) lemon juice (c) baking soda water (d) curd
20. 20.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they freeze (b) they react (c) they float apart (d) they become magnets
21. 21.⚖️ 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
22. 22.True or false: a battery cell is not needed for the fizzy balloon. (a) True (b) False
23. 23.🫧 Is sugar water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
24. 24.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a tray for spills (c) baking soda (d) a comb
25. 25.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
26. 26.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) sugar (b) a balloon (c) an empty bottle (d) a funnel or spoon
27. 27.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) an empty bottle (c) a magnet (d) vinegar
28. 28.True or false: detergent water is an acid. (a) True (b) False
29. 29.🎈 Why does the balloon blow up? (a) vinegar is hot (b) outside air gets in (c) the bottle shrinks (d) gas is made inside
30. 30.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) spoons of baking soda (b) the same bottle (c) size of the balloon
31. 31.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) seal it in a glass jar (c) put it in your mouth (d) keep it away from eyes
32. 32.True or false: curd is an acid. (a) True (b) False
33. 33.🫧 Is salt water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
34. 34.🧺 Do we need a battery cell for the fizzy balloon? (a) needed (b) not needed
35. 35.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) very little fizzing (c) it turns to honey (d) the balloon bursts
36. 36.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the kind of balloon (b) spoons of baking soda (c) size of the balloon
37. 37.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the same bottle (b) the amount of vinegar (c) spoons of baking soda (d) the kind of balloon
38. 38.🫧 Is lemon juice an acid, a base or neutral? (a) a base (b) an acid (c) neutral
39. 39.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
40. 40.⚖️ 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

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