Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 164 · 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 mirror for the fizzy balloon? (a) needed (b) not needed
2. 2.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a mirror (c) sugar (d) vinegar
3. 3.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the kind of balloon (b) the same bottle (c) size of the balloon (d) spoons of baking soda
4. 4.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we change it (b) we measure it (c) we keep it the same
5. 5.🫧 Is lemon juice an acid, a base or neutral? (a) an acid (b) a base (c) neutral
6. 6.True or false: a balloon is needed for the fizzy balloon. (a) False (b) True
7. 7.🔍 Which is the odd one out? (a) detergent water (b) baking soda water (c) soap solution (d) salt water
8. 8.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a magnet (c) baking soda (d) a funnel or spoon
9. 9.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a magnet (b) a balloon (c) a funnel or spoon (d) baking soda
10. 10.🔍 Which is the odd one out? (a) orange juice (b) detergent water (c) lemon juice (d) curd
11. 11.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) the balloon bursts (c) very little fizzing (d) it turns to honey
12. 12.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a tray for spills (c) sugar (d) a funnel or spoon
13. 13.🎈 Why does the balloon blow up? (a) vinegar is hot (b) gas is made inside (c) the bottle shrinks (d) outside air gets in
14. 14.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the same bottle (b) the amount of vinegar (c) size of the balloon (d) the kind of balloon
15. 15.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is kept the same. (a) False (b) True
16. 16.🫧 Is tamarind water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
17. 17.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we keep it the same (b) we change it (c) we measure it
18. 18.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
19. 19.⚖️ 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
20. 20.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) sugar (c) a mirror (d) an empty bottle
21. 21.True or false: vinegar is needed for the fizzy balloon. (a) True (b) False
22. 22.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) helium (b) hydrogen (c) oxygen (d) carbon dioxide
23. 23.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
24. 24.🫧 Is baking soda water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
25. 25.🔍 Which is the odd one out? (a) sugar water (b) plain water (c) salt water (d) baking soda water
26. 26.🫧 Which of these is an acid? (a) detergent water (b) plain water (c) soap solution (d) lemon juice
27. 27.🫧 Is curd an acid, a base or neutral? (a) neutral (b) a base (c) an acid
28. 28.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) put it in your mouth (c) shake it near your face (d) keep it away from eyes
29. 29.True or false: a magnet is needed for the fizzy balloon. (a) True (b) False
30. 30.True or false: a battery cell is not needed for the fizzy balloon. (a) False (b) True
31. 31.🫧 Is salt water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
32. 32.🔮 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
33. 33.🫧 What do you see when baking soda meets vinegar? (a) it turns to ice (b) nothing at all (c) it glows in the dark (d) lots of fizzy bubbles
34. 34.True or false: baking soda is not needed for the fizzy balloon. (a) False (b) True
35. 35.⚖️ 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
36. 36.🔮 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
37. 37.True or false: sugar is not needed for the fizzy balloon. (a) True (b) False
38. 38.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) rub it hard (c) add baking soda (d) rinse with clean water
39. 39.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is what we measure. (a) False (b) True
40. 40.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) baking soda (c) a battery cell (d) vinegar

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