Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 842 · 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 is the odd one out? (a) baking soda water (b) soap solution (c) detergent water (d) salt water
2. 2.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) a funnel or spoon (c) a battery cell (d) baking soda
3. 3.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) baking soda (c) a mirror (d) a seed
4. 4.True or false: baking soda is needed for the fizzy balloon. (a) False (b) True
5. 5.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) hydrogen (b) oxygen (c) helium (d) carbon dioxide
6. 6.🔍 Which is the odd one out? (a) baking soda water (b) detergent water (c) orange juice (d) soap solution
7. 7.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) put it in your mouth (c) seal it in a glass jar (d) keep it away from eyes
8. 8.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) spoons of baking soda (b) the amount of vinegar (c) size of the balloon (d) the kind of balloon
9. 9.🔮 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
10. 10.🧺 Do we need a seed for the fizzy balloon? (a) not needed (b) needed
11. 11.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) baking soda (c) a magnet (d) vinegar
12. 12.🫧 Is soap solution an acid, a base or neutral? (a) a base (b) neutral (c) an acid
13. 13.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a mirror (c) a balloon (d) a tray for spills
14. 14.🫧 Which of these is neutral? (a) soap solution (b) sugar water (c) detergent water (d) baking soda water
15. 15.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a battery cell (c) a funnel or spoon (d) vinegar
16. 16.📘 Is the fizzing a sign that a new substance is made? (a) no, nothing changes (b) it is only melting (c) it is only dissolving (d) yes, a new gas forms
17. 17.🧺 Do we need a balloon for the fizzy balloon? (a) needed (b) not needed
18. 18.True or false: orange juice is neutral. (a) True (b) False
19. 19.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a tray for spills (c) a seed (d) a funnel or spoon
20. 20.⚖️ 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
21. 21.🫧 Is lemon juice an acid, a base or neutral? (a) an acid (b) neutral (c) a base
22. 22.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a tray for spills (c) a mirror (d) baking soda
23. 23.🔍 Which is the odd one out? (a) sugar water (b) detergent water (c) soap solution (d) baking soda water
24. 24.🫧 Which of these is an acid? (a) salt water (b) baking soda water (c) vinegar (d) sugar water
25. 25.🫧 Which of these is neutral? (a) plain water (b) vinegar (c) lemon juice (d) baking soda water
26. 26.🎈 Why does the balloon blow up? (a) vinegar is hot (b) the bottle shrinks (c) gas is made inside (d) outside air gets in
27. 27.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) an empty bottle (c) a tray for spills (d) a seed
28. 28.🫧 What do you see when baking soda meets vinegar? (a) it glows in the dark (b) it turns to ice (c) nothing at all (d) lots of fizzy bubbles
29. 29.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
30. 30.⚖️ 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 measure it (c) we keep it the same
31. 31.🔮 Predict: you use plain water instead of vinegar. What happens? (a) the balloon bursts (b) a huge eruption (c) it turns to honey (d) very little fizzing
32. 32.🫧 Which of these is an acid? (a) sugar water (b) lemon juice (c) baking soda water (d) salt water
33. 33.🔍 Which is the odd one out? (a) baking soda water (b) detergent water (c) curd (d) soap solution
34. 34.🧺 Do we need a magnet for the fizzy balloon? (a) needed (b) not needed
35. 35.⚖️ 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
36. 36.🔍 Which is the odd one out? (a) baking soda water (b) detergent water (c) soap solution (d) plain water
37. 37.True or false: a magnet is not needed for the fizzy balloon. (a) False (b) True
38. 38.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a magnet (c) a battery cell (d) an empty bottle
39. 39.True or false: salt water is neutral. (a) True (b) False
40. 40.⚖️ 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

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