Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 760 · 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 of these is neutral? (a) lemon juice (b) salt water (c) detergent water (d) orange juice
2. 2.🔍 Which is the odd one out? (a) baking soda water (b) detergent water (c) soap solution (d) vinegar
3. 3.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) seal it in a glass jar (c) put it in your mouth (d) keep it away from eyes
4. 4.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a magnet (c) a balloon (d) a tray for spills
5. 5.🫧 Is plain water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
6. 6.🔍 Which is the odd one out? (a) baking soda water (b) soap solution (c) detergent water (d) salt water
7. 7.⚖️ 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
8. 8.🫧 What do you see when baking soda meets vinegar? (a) lots of fizzy bubbles (b) nothing at all (c) it glows in the dark (d) it turns to ice
9. 9.🫧 Which of these is an acid? (a) salt water (b) baking soda water (c) vinegar (d) plain water
10. 10.⚖️ 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) True (b) False
11. 11.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) sugar (c) an empty bottle (d) a seed
12. 12.🔮 Predict: you use plain water instead of vinegar. What happens? (a) the balloon bursts (b) it turns to honey (c) very little fizzing (d) a huge eruption
13. 13.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) ignore it (c) add baking soda (d) rinse with clean water
14. 14.True or false: orange juice is an acid. (a) False (b) True
15. 15.True or false: a seed is not needed for the fizzy balloon. (a) True (b) False
16. 16.🔮 The fizzing stops after a while. Why? (a) the balloon got cold (b) the gas froze (c) an ingredient ran out (d) the bottle got tired
17. 17.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
18. 18.True or false: sugar is needed for the fizzy balloon. (a) False (b) True
19. 19.🫧 Is vinegar an acid, a base or neutral? (a) neutral (b) an acid (c) a base
20. 20.🧺 Which of these is needed for the fizzy balloon? (a) a funnel or spoon (b) a magnet (c) a comb (d) a battery cell
21. 21.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) there is no change (b) it shrinks (c) it grows bigger (d) it turns blue
22. 22.🫧 Is curd an acid, a base or neutral? (a) a base (b) neutral (c) an acid
23. 23.🫧 Which of these is an acid? (a) sugar water (b) baking soda water (c) orange juice (d) soap solution
24. 24.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) an empty bottle (c) a balloon (d) a comb
25. 25.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) vinegar (c) a seed (d) a magnet
26. 26.📘 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 dissolving (d) it is only melting
27. 27.🔍 Which is the odd one out? (a) detergent water (b) lemon juice (c) soap solution (d) baking soda water
28. 28.True or false: a battery cell is not needed for the fizzy balloon. (a) False (b) True
29. 29.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we change it (b) we measure it (c) we keep it the same
30. 30.🫧 Which of these is an acid? (a) plain water (b) baking soda water (c) soap solution (d) lemon juice
31. 31.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
32. 32.🫧 Is salt water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
33. 33.True or false: a tray for spills is not needed for the fizzy balloon. (a) False (b) True
34. 34.True or false: sugar water is neutral. (a) True (b) False
35. 35.🔍 Which is the odd one out? (a) plain water (b) sugar water (c) curd (d) salt water
36. 36.⚖️ 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 amount of vinegar (c) the kind of balloon (d) spoons of baking soda
37. 37.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a balloon (c) a mirror (d) baking soda
38. 38.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the amount of vinegar (b) spoons of baking soda (c) size of the balloon
39. 39.🫧 Is baking soda water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
40. 40.True or false: a balloon is needed for the fizzy balloon. (a) True (b) False

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