Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 642 · 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) it glows in the dark (b) lots of fizzy bubbles (c) nothing at all (d) it turns to ice
2. 2.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we keep it the same (b) we change it (c) we measure it
3. 3.True or false: a tray for spills is not needed for the fizzy balloon. (a) True (b) False
4. 4.⚖️ 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
5. 5.🎈 Why does the balloon blow up? (a) gas is made inside (b) vinegar is hot (c) the bottle shrinks (d) outside air gets in
6. 6.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a seed (c) a battery cell (d) a funnel or spoon
7. 7.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
8. 8.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) spoons of baking soda (b) size of the balloon (c) the same bottle (d) the kind of balloon
9. 9.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is what we measure. (a) True (b) False
10. 10.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a tray for spills (c) a mirror (d) vinegar
11. 11.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a magnet (b) a funnel or spoon (c) an empty bottle (d) a balloon
12. 12.True or false: salt water is an acid. (a) False (b) True
13. 13.True or false: an empty bottle is needed for the fizzy balloon. (a) True (b) False
14. 14.🔍 Which is the odd one out? (a) curd (b) vinegar (c) tamarind water (d) detergent water
15. 15.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) False (b) True
16. 16.🫧 Which of these is an acid? (a) plain water (b) soap solution (c) orange juice (d) detergent water
17. 17.True or false: soap solution is neutral. (a) True (b) False
18. 18.🔍 Which is the odd one out? (a) baking soda water (b) soap solution (c) tamarind water (d) detergent water
19. 19.🫧 Is baking soda water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
20. 20.📘 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
21. 21.True or false: a magnet is needed for the fizzy balloon. (a) True (b) False
22. 22.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we keep it the same (b) we measure it (c) we change it
23. 23.True or false: an empty bottle is not needed for the fizzy balloon. (a) False (b) True
24. 24.🫧 Is vinegar an acid, a base or neutral? (a) an acid (b) a base (c) neutral
25. 25.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) keep it away from eyes (c) put it in your mouth (d) seal it in a glass jar
26. 26.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) a comb (c) an empty bottle (d) baking soda
27. 27.🫧 Which of these is an acid? (a) vinegar (b) detergent water (c) salt water (d) baking soda water
28. 28.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a tray for spills (c) a battery cell (d) a seed
29. 29.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is what we measure. (a) True (b) False
30. 30.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) the gas froze (c) an ingredient ran out (d) the balloon got cold
31. 31.🛟 What should you do if vinegar splashes in your eye? (a) rinse with clean water (b) ignore it (c) rub it hard (d) add baking soda
32. 32.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) hydrogen (c) carbon dioxide (d) helium
33. 33.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a balloon (c) a comb (d) a seed
34. 34.🫧 Is curd an acid, a base or neutral? (a) an acid (b) neutral (c) a base
35. 35.True or false: a tray for spills is needed for the fizzy balloon. (a) False (b) True
36. 36.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a seed (b) an empty bottle (c) baking soda (d) a balloon
37. 37.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is kept the same. (a) True (b) False
38. 38.🔍 Which is the odd one out? (a) sugar water (b) salt water (c) plain water (d) soap solution
39. 39.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
40. 40.🔍 Which is the odd one out? (a) baking soda water (b) salt water (c) plain water (d) sugar water

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