Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 737 · 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 an acid? (a) sugar water (b) soap solution (c) salt water (d) curd
2. 2.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a battery cell (b) a balloon (c) a funnel or spoon (d) a tray for spills
3. 3.🧺 Which of these is needed for the fizzy balloon? (a) an empty bottle (b) a comb (c) a battery cell (d) a magnet
4. 4.🎈 Why does the balloon blow up? (a) vinegar is hot (b) gas is made inside (c) the bottle shrinks (d) outside air gets in
5. 5.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the amount of vinegar (b) size of the balloon (c) spoons of baking soda
6. 6.True or false: soap solution is a base. (a) True (b) False
7. 7.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
8. 8.🧺 Do we need a magnet for the fizzy balloon? (a) needed (b) not needed
9. 9.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) helium (b) hydrogen (c) oxygen (d) carbon dioxide
10. 10.⚖️ 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 same bottle (c) spoons of baking soda
11. 11.🛟 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
12. 12.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) put it in your mouth (c) keep it away from eyes (d) shake it near your face
13. 13.🔍 Which is the odd one out? (a) detergent water (b) baking soda water (c) soap solution (d) orange juice
14. 14.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) size of the balloon (b) the kind of balloon (c) the same bottle (d) spoons of baking soda
15. 15.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a comb (b) a tray for spills (c) vinegar (d) an empty bottle
16. 16.🫧 Is vinegar an acid, a base or neutral? (a) a base (b) neutral (c) an acid
17. 17.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
18. 18.🫧 Is baking soda water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
19. 19.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is the one thing we change. (a) False (b) True
20. 20.True or false: sugar is needed for the fizzy balloon. (a) True (b) False
21. 21.🧺 Do we need vinegar for the fizzy balloon? (a) needed (b) not needed
22. 22.True or false: a comb is not needed for the fizzy balloon. (a) False (b) True
23. 23.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we change it (b) we measure it (c) we keep it the same
24. 24.True or false: a tray for spills is not needed for the fizzy balloon. (a) True (b) False
25. 25.🔍 Which is the odd one out? (a) salt water (b) sugar water (c) detergent water (d) plain water
26. 26.🔍 Which is the odd one out? (a) sugar water (b) orange juice (c) vinegar (d) lemon juice
27. 27.🔮 The fizzing stops after a while. Why? (a) an ingredient ran out (b) the bottle got tired (c) the balloon got cold (d) the gas froze
28. 28.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) it turns to ice (c) lots of fizzy bubbles (d) it glows in the dark
29. 29.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
30. 30.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a magnet (c) a balloon (d) baking soda
31. 31.🫧 Is detergent water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
32. 32.⚖️ 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
33. 33.🧺 Do we need a balloon for the fizzy balloon? (a) needed (b) not needed
34. 34.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) baking soda (c) a tray for spills (d) sugar
35. 35.🧺 Which of these is not needed for the fizzy balloon? (a) a comb (b) a tray for spills (c) a funnel or spoon (d) baking soda
36. 36.🫧 Is curd an acid, a base or neutral? (a) a base (b) an acid (c) neutral
37. 37.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we keep it the same (b) we measure it (c) we change it
38. 38.🫧 Which of these is neutral? (a) lemon juice (b) orange juice (c) plain water (d) vinegar
39. 39.🫧 Is soap solution an acid, a base or neutral? (a) an acid (b) a base (c) neutral
40. 40.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) it grows bigger (c) there is no change (d) it turns blue

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