Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 406 · 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.True or false: detergent water is an acid. (a) False (b) True
2. 2.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we change it (b) we keep it the same (c) we measure it
3. 3.🧺 Which of these is not needed for the fizzy balloon? (a) a comb (b) an empty bottle (c) vinegar (d) a tray for spills
4. 4.⚖️ 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
5. 5.True or false: a mirror is not needed for the fizzy balloon. (a) False (b) True
6. 6.🫧 Which of these is neutral? (a) curd (b) plain water (c) vinegar (d) detergent water
7. 7.⚖️ 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
8. 8.📘 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
9. 9.🫧 Which of these is neutral? (a) tamarind water (b) orange juice (c) sugar water (d) vinegar
10. 10.🔍 Which is the odd one out? (a) orange juice (b) vinegar (c) tamarind water (d) plain water
11. 11.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) size of the balloon (b) spoons of baking soda (c) the kind of balloon
12. 12.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is kept the same. (a) True (b) False
13. 13.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
14. 14.🫧 Which of these is an acid? (a) detergent water (b) plain water (c) baking soda water (d) vinegar
15. 15.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) hydrogen (b) helium (c) oxygen (d) carbon dioxide
16. 16.🛟 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
17. 17.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a tray for spills (c) a seed (d) sugar
18. 18.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) a magnet (c) a balloon (d) a tray for spills
19. 19.🫧 What do you see when baking soda meets vinegar? (a) lots of fizzy bubbles (b) it glows in the dark (c) nothing at all (d) it turns to ice
20. 20.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
21. 21.🔍 Which is the odd one out? (a) baking soda water (b) vinegar (c) curd (d) tamarind 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 change it (b) we keep it the same (c) we measure it
23. 23.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) the gas froze (c) the balloon got cold (d) an ingredient ran out
24. 24.🫧 Is sugar water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
25. 25.🫧 Is lemon juice an acid, a base or neutral? (a) neutral (b) an acid (c) a base
26. 26.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) sugar (c) a battery cell (d) a funnel or spoon
27. 27.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) a battery cell (c) baking soda (d) a balloon
28. 28.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) very little fizzing (c) a huge eruption (d) the balloon bursts
29. 29.⚖️ 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
30. 30.True or false: vinegar is an acid. (a) False (b) True
31. 31.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) it turns blue (c) it grows bigger (d) there is no change
32. 32.True or false: sugar water is an acid. (a) False (b) True
33. 33.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a seed (b) a funnel or spoon (c) baking soda (d) an empty bottle
34. 34.True or false: a balloon is not needed for the fizzy balloon. (a) False (b) True
35. 35.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) spoons of baking soda (b) size of the balloon (c) the same bottle
36. 36.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) vinegar (c) a magnet (d) baking soda
37. 37.🔍 Which is the odd one out? (a) detergent water (b) vinegar (c) lemon juice (d) tamarind water
38. 38.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we change it (b) we keep it the same (c) we measure it
39. 39.🫧 Which of these is an acid? (a) sugar water (b) curd (c) baking soda water (d) plain water
40. 40.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a magnet (c) vinegar (d) a mirror

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