Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 898 · 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.⚖️ 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 measure it (c) we change it
2. 2.⚖️ 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
3. 3.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a comb (c) baking soda (d) a balloon
4. 4.⚖️ 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) the kind of balloon (d) size of the balloon
5. 5.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a seed (b) a balloon (c) vinegar (d) a funnel or spoon
6. 6.🛟 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
7. 7.⚖️ 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
8. 8.🫧 What do you see when baking soda meets vinegar? (a) it turns to ice (b) it glows in the dark (c) lots of fizzy bubbles (d) nothing at all
9. 9.⚖️ 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
10. 10.🫧 Which of these is neutral? (a) soap solution (b) vinegar (c) sugar water (d) baking soda water
11. 11.🫧 Is tamarind water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
12. 12.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is kept the same. (a) True (b) False
13. 13.True or false: a tray for spills is needed for the fizzy balloon. (a) True (b) False
14. 14.True or false: an empty bottle is needed for the fizzy balloon. (a) True (b) False
15. 15.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) an ingredient ran out (c) the gas froze (d) the balloon got cold
16. 16.True or false: an empty bottle is not needed for the fizzy balloon. (a) True (b) False
17. 17.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it turns blue (b) it shrinks (c) it grows bigger (d) there is no change
18. 18.🧺 Which of these is not needed for the fizzy balloon? (a) a mirror (b) a balloon (c) baking soda (d) a tray for spills
19. 19.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is kept the same. (a) True (b) False
20. 20.⚖️ 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
21. 21.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) add baking soda (c) rub it hard (d) rinse with clean water
22. 22.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the amount of vinegar (b) the same bottle (c) spoons of baking soda (d) size of the balloon
23. 23.🫧 Which of these is a base? (a) detergent water (b) vinegar (c) tamarind water (d) plain water
24. 24.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a comb (c) vinegar (d) a seed
25. 25.🫧 Which of these is an acid? (a) curd (b) soap solution (c) sugar water (d) detergent water
26. 26.🫧 Which of these is neutral? (a) lemon juice (b) soap solution (c) salt water (d) tamarind water
27. 27.True or false: vinegar is needed for the fizzy balloon. (a) True (b) False
28. 28.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we measure it (b) we change it (c) we keep it the same
29. 29.🫧 Is orange juice an acid, a base or neutral? (a) a base (b) neutral (c) an acid
30. 30.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) vinegar (c) a comb (d) an empty bottle
31. 31.True or false: detergent water is an acid. (a) True (b) False
32. 32.🔍 Which is the odd one out? (a) soap solution (b) baking soda water (c) plain water (d) detergent water
33. 33.True or false: curd is neutral. (a) True (b) False
34. 34.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they freeze (b) they float apart (c) they become magnets (d) they react
35. 35.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) baking soda (c) a magnet (d) vinegar
36. 36.⚖️ 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
37. 37.🧺 Do we need sugar for the fizzy balloon? (a) not needed (b) needed
38. 38.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is what we measure. (a) False (b) True
39. 39.🎈 Why does the balloon blow up? (a) gas is made inside (b) the bottle shrinks (c) vinegar is hot (d) outside air gets in
40. 40.True or false: curd is an acid. (a) True (b) False

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