Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 480 · 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.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they react (b) they freeze (c) they float apart (d) they become magnets
2. 2.True or false: an empty bottle is not needed for the fizzy balloon. (a) True (b) False
3. 3.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a magnet (b) vinegar (c) a balloon (d) an empty bottle
4. 4.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
5. 5.🫧 Is sugar water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
6. 6.True or false: vinegar is not needed for the fizzy balloon. (a) True (b) False
7. 7.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a comb (c) vinegar (d) baking soda
8. 8.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is kept the same. (a) True (b) False
9. 9.🛟 What should you do if vinegar splashes in your eye? (a) rinse with clean water (b) rub it hard (c) ignore it (d) add baking soda
10. 10.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a seed (c) baking soda (d) a funnel or spoon
11. 11.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we measure it (b) we keep it the same (c) we change it
12. 12.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a comb (c) a battery cell (d) a tray for spills
13. 13.🧺 Do we need vinegar for the fizzy balloon? (a) needed (b) not needed
14. 14.🫧 What do you see when baking soda meets vinegar? (a) it turns to ice (b) lots of fizzy bubbles (c) nothing at all (d) it glows in the dark
15. 15.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is kept the same. (a) False (b) True
16. 16.🫧 Is orange juice an acid, a base or neutral? (a) an acid (b) a base (c) neutral
17. 17.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) there is no change (b) it turns blue (c) it grows bigger (d) it shrinks
18. 18.🎈 Why does the balloon blow up? (a) outside air gets in (b) the bottle shrinks (c) vinegar is hot (d) gas is made inside
19. 19.⚖️ 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 change it (c) we keep it the same
20. 20.🔍 Which is the odd one out? (a) curd (b) salt water (c) sugar water (d) plain water
21. 21.🧺 Do we need a battery cell for the fizzy balloon? (a) not needed (b) needed
22. 22.🔍 Which is the odd one out? (a) baking soda water (b) vinegar (c) lemon juice (d) orange juice
23. 23.True or false: vinegar is neutral. (a) True (b) False
24. 24.🫧 Which of these is a base? (a) plain water (b) tamarind water (c) baking soda water (d) curd
25. 25.⚖️ 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
26. 26.True or false: sugar water is an acid. (a) False (b) True
27. 27.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
28. 28.🫧 Which of these is neutral? (a) baking soda water (b) plain water (c) detergent water (d) tamarind water
29. 29.⚖️ 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
30. 30.⚖️ 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 same bottle (c) spoons of baking soda (d) the kind of balloon
31. 31.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a magnet (c) a seed (d) baking soda
32. 32.🔍 Which is the odd one out? (a) orange juice (b) lemon juice (c) soap solution (d) vinegar
33. 33.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) the balloon got cold (c) an ingredient ran out (d) the gas froze
34. 34.🧺 Which of these is needed for the fizzy balloon? (a) a funnel or spoon (b) a magnet (c) a battery cell (d) sugar
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) False (b) True
36. 36.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) vinegar (c) a balloon (d) sugar
37. 37.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we measure it (b) we change it (c) we keep it the same
38. 38.🧺 Which of these is needed for the fizzy balloon? (a) an empty bottle (b) a mirror (c) a seed (d) a magnet
39. 39.🫧 Is detergent water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
40. 40.True or false: detergent water is an acid. (a) False (b) True

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