Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 528 · 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 gas fills the balloon in the baking soda and vinegar experiment? (a) hydrogen (b) oxygen (c) helium (d) carbon dioxide
2. 2.⚖️ 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) spoons of baking soda (c) size of the balloon (d) the amount of vinegar
3. 3.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) sugar (c) a mirror (d) an empty bottle
4. 4.⚖️ 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
5. 5.🔍 Which is the odd one out? (a) curd (b) plain water (c) sugar water (d) salt water
6. 6.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a balloon (c) a magnet (d) a battery cell
7. 7.🔍 Which is the odd one out? (a) baking soda water (b) detergent water (c) plain water (d) soap solution
8. 8.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) sugar (c) a tray for spills (d) a magnet
9. 9.🛟 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
10. 10.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a mirror (c) vinegar (d) a magnet
11. 11.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) baking soda (c) a tray for spills (d) a mirror
12. 12.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the amount of vinegar (b) size of the balloon (c) the kind of balloon (d) the same bottle
13. 13.🫧 Which of these is neutral? (a) soap solution (b) sugar water (c) baking soda water (d) detergent water
14. 14.🧺 Do we need a seed for the fizzy balloon? (a) not needed (b) needed
15. 15.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) a huge eruption (c) the balloon bursts (d) very little fizzing
16. 16.True or false: curd is an acid. (a) False (b) True
17. 17.🫧 Which of these is an acid? (a) soap solution (b) sugar water (c) vinegar (d) baking soda water
18. 18.True or false: baking soda is not needed for the fizzy balloon. (a) False (b) True
19. 19.⚖️ 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 kind of balloon (c) size of the balloon
20. 20.⚖️ 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
21. 21.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a magnet (b) a tray for spills (c) a funnel or spoon (d) vinegar
22. 22.🫧 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
23. 23.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) seal it in a glass jar (c) keep it away from eyes (d) shake it near your face
24. 24.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a battery cell (b) a funnel or spoon (c) an empty bottle (d) vinegar
25. 25.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) sugar (b) a balloon (c) a tray for spills (d) vinegar
26. 26.🫧 Is vinegar an acid, a base or neutral? (a) an acid (b) neutral (c) a base
27. 27.🫧 Which of these is a base? (a) tamarind water (b) detergent water (c) vinegar (d) lemon juice
28. 28.🫧 Which of these is a base? (a) salt water (b) orange juice (c) soap solution (d) lemon juice
29. 29.True or false: a seed is needed for the fizzy balloon. (a) False (b) True
30. 30.🔮 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
31. 31.True or false: plain water is an acid. (a) True (b) False
32. 32.True or false: vinegar is a base. (a) False (b) True
33. 33.🔍 Which is the odd one out? (a) salt water (b) plain water (c) tamarind water (d) sugar water
34. 34.⚖️ 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
35. 35.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is what we measure. (a) True (b) False
36. 36.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) True (b) False
37. 37.True or false: a battery cell is not needed for the fizzy balloon. (a) True (b) False
38. 38.🧺 Which of these is not needed for the fizzy balloon? (a) sugar (b) a funnel or spoon (c) baking soda (d) a balloon
39. 39.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we measure it (b) we keep it the same (c) we change it
40. 40.True or false: vinegar is needed for the fizzy balloon. (a) False (b) True

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