Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 959 · 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.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) lots of fizzy bubbles (c) it glows in the dark (d) it turns to ice
2. 2.🔍 Which is the odd one out? (a) detergent water (b) sugar water (c) salt water (d) plain water
3. 3.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is kept the same. (a) False (b) True
4. 4.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
5. 5.⚖️ 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
6. 6.🧺 Which of these is not needed for the fizzy balloon? (a) sugar (b) an empty bottle (c) baking soda (d) vinegar
7. 7.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a magnet (c) a mirror (d) a tray for spills
8. 8.True or false: a balloon is needed for the fizzy balloon. (a) True (b) False
9. 9.🔍 Which is the odd one out? (a) sugar water (b) plain water (c) salt water (d) soap solution
10. 10.🎈 Why does the balloon blow up? (a) outside air gets in (b) the bottle shrinks (c) gas is made inside (d) vinegar is hot
11. 11.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
12. 12.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) baking soda (c) a battery cell (d) a seed
13. 13.True or false: a magnet is not needed for the fizzy balloon. (a) True (b) False
14. 14.🛟 Which safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) shake it near your face (c) seal it in a glass jar (d) put it in your mouth
15. 15.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) sugar (b) an empty bottle (c) a funnel or spoon (d) a tray for spills
16. 16.📘 Is the fizzing a sign that a new substance is made? (a) no, nothing changes (b) yes, a new gas forms (c) it is only melting (d) it is only dissolving
17. 17.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) rub it hard (c) ignore it (d) rinse with clean water
18. 18.⚖️ 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
19. 19.True or false: baking soda is needed for the fizzy balloon. (a) True (b) False
20. 20.⚖️ 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 measure it (c) we keep it the same
21. 21.🔍 Which is the odd one out? (a) curd (b) sugar water (c) lemon juice (d) tamarind water
22. 22.⚖️ 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
23. 23.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) True (b) False
24. 24.⚖️ 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 keep it the same (c) we change it
25. 25.🫧 Which of these is an acid? (a) plain water (b) lemon juice (c) sugar water (d) soap solution
26. 26.⚖️ 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
27. 27.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) an empty bottle (c) a funnel or spoon (d) a comb
28. 28.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a mirror (c) a balloon (d) a seed
29. 29.🔮 The fizzing stops after a while. Why? (a) the gas froze (b) the bottle got tired (c) an ingredient ran out (d) the balloon got cold
30. 30.True or false: vinegar is an acid. (a) False (b) True
31. 31.⚖️ 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 amount of vinegar (c) spoons of baking soda
32. 32.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) the balloon bursts (c) very little fizzing (d) it turns to honey
33. 33.True or false: sugar water is a base. (a) False (b) True
34. 34.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
35. 35.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a battery cell (c) vinegar (d) a funnel or spoon
36. 36.🔍 Which is the odd one out? (a) detergent water (b) baking soda water (c) vinegar (d) soap solution
37. 37.True or false: tamarind water is an acid. (a) False (b) True
38. 38.⚖️ 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) the kind of balloon (c) spoons of baking soda (d) the amount of vinegar
39. 39.True or false: curd is neutral. (a) True (b) False
40. 40.True or false: a seed is not needed for the fizzy balloon. (a) False (b) True

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