Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 688 · 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.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a funnel or spoon (c) a balloon (d) sugar
2. 2.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the kind of balloon (b) size of the balloon (c) spoons of baking soda
3. 3.🔍 Which is the odd one out? (a) soap solution (b) detergent water (c) baking soda water (d) lemon juice
4. 4.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) put it in your mouth (c) seal it in a glass jar (d) keep it away from eyes
5. 5.🔮 Predict: you use plain water instead of vinegar. What happens? (a) the balloon bursts (b) a huge eruption (c) it turns to honey (d) very little fizzing
6. 6.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) spoons of baking soda (b) the same bottle (c) the amount of vinegar (d) size of the balloon
7. 7.🔍 Which is the odd one out? (a) lemon juice (b) orange juice (c) vinegar (d) detergent water
8. 8.🫧 Which of these is an acid? (a) salt water (b) soap solution (c) plain water (d) lemon juice
9. 9.True or false: a mirror is not needed for the fizzy balloon. (a) False (b) True
10. 10.⚖️ 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
11. 11.⚖️ 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) False (b) True
12. 12.🔍 Which is the odd one out? (a) salt water (b) detergent water (c) baking soda water (d) soap solution
13. 13.True or false: a comb is needed for the fizzy balloon. (a) True (b) False
14. 14.True or false: a seed is not needed for the fizzy balloon. (a) False (b) True
15. 15.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a balloon (c) a mirror (d) a tray for spills
16. 16.True or false: soap solution is neutral. (a) True (b) False
17. 17.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a comb (c) a balloon (d) baking soda
18. 18.🧺 Which of these is needed for the fizzy balloon? (a) a funnel or spoon (b) a mirror (c) a battery cell (d) a seed
19. 19.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
20. 20.🧺 Do we need a seed for the fizzy balloon? (a) needed (b) not needed
21. 21.🔍 Which is the odd one out? (a) curd (b) tamarind water (c) orange juice (d) sugar water
22. 22.⚖️ 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
23. 23.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a magnet (c) a funnel or spoon (d) an empty bottle
24. 24.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) vinegar (c) an empty bottle (d) a seed
25. 25.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) a tray for spills (c) a funnel or spoon (d) sugar
26. 26.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) helium (b) oxygen (c) carbon dioxide (d) hydrogen
27. 27.🧺 Which of these is needed for the fizzy balloon? (a) an empty bottle (b) a magnet (c) a seed (d) a mirror
28. 28.🫧 What do you see when baking soda meets vinegar? (a) it glows in the dark (b) nothing at all (c) it turns to ice (d) lots of fizzy bubbles
29. 29.🫧 Which of these is neutral? (a) curd (b) vinegar (c) lemon juice (d) plain water
30. 30.True or false: tamarind water is an acid. (a) True (b) False
31. 31.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
32. 32.🧺 Do we need sugar for the fizzy balloon? (a) not needed (b) needed
33. 33.🫧 Is curd an acid, a base or neutral? (a) an acid (b) a base (c) neutral
34. 34.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) rub it hard (c) rinse with clean water (d) add baking soda
35. 35.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is what we measure. (a) False (b) True
36. 36.🧺 Do we need a comb for the fizzy balloon? (a) not needed (b) needed
37. 37.True or false: curd is an acid. (a) False (b) True
38. 38.🔮 The fizzing stops after a while. Why? (a) the gas froze (b) the balloon got cold (c) an ingredient ran out (d) the bottle got tired
39. 39.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) size of the balloon (b) the same bottle (c) the amount of vinegar (d) the kind of balloon
40. 40.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) a tray for spills (c) a magnet (d) a funnel or spoon

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