Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 691 · 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 a base? (a) baking soda water (b) vinegar (c) salt water (d) orange juice
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.🫧 Is vinegar an acid, a base or neutral? (a) a base (b) neutral (c) an acid
4. 4.🧺 Do we need a mirror for the fizzy balloon? (a) needed (b) not needed
5. 5.🧺 Do we need a seed for the fizzy balloon? (a) needed (b) not needed
6. 6.True or false: salt water is an acid. (a) True (b) False
7. 7.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we measure it (b) we keep it the same (c) we change it
8. 8.🫧 Is salt water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
9. 9.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) rinse with clean water (c) rub it hard (d) ignore it
10. 10.🫧 What do you see when baking soda meets vinegar? (a) it glows in the dark (b) lots of fizzy bubbles (c) it turns to ice (d) nothing at all
11. 11.True or false: a tray for spills is not needed for the fizzy balloon. (a) True (b) False
12. 12.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a magnet (c) vinegar (d) a balloon
13. 13.⚖️ 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 keep it the same (c) we change it
14. 14.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) carbon dioxide (b) helium (c) hydrogen (d) oxygen
15. 15.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) put it in your mouth (c) keep it away from eyes (d) shake it near your face
16. 16.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a balloon (c) a comb (d) an empty bottle
17. 17.🫧 Is sugar water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
18. 18.🔍 Which is the odd one out? (a) sugar water (b) salt water (c) soap solution (d) plain water
19. 19.🧺 Do we need a tray for spills for the fizzy balloon? (a) needed (b) not needed
20. 20.📘 Is the fizzing a sign that a new substance is made? (a) it is only dissolving (b) it is only melting (c) yes, a new gas forms (d) no, nothing changes
21. 21.True or false: plain water is an acid. (a) True (b) False
22. 22.True or false: sugar is needed for the fizzy balloon. (a) False (b) True
23. 23.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
24. 24.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a tray for spills (c) a seed (d) baking soda
25. 25.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
26. 26.⚖️ 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
27. 27.True or false: an empty bottle is not needed for the fizzy balloon. (a) False (b) True
28. 28.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a seed (c) a battery cell (d) vinegar
29. 29.🧺 Do we need a comb for the fizzy balloon? (a) not needed (b) needed
30. 30.True or false: salt water is neutral. (a) True (b) False
31. 31.🔍 Which is the odd one out? (a) tamarind water (b) curd (c) vinegar (d) sugar water
32. 32.🎈 Why does the balloon blow up? (a) vinegar is hot (b) outside air gets in (c) gas is made inside (d) the bottle shrinks
33. 33.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the kind of balloon (b) size of the balloon (c) the same bottle (d) the amount of vinegar
34. 34.🫧 Is plain water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
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 amount of vinegar
36. 36.⚖️ 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) size of the balloon (d) spoons of baking soda
37. 37.🫧 Is soap solution an acid, a base or neutral? (a) neutral (b) an acid (c) a base
38. 38.⚖️ 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
39. 39.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a seed (c) a magnet (d) a balloon
40. 40.🫧 Which of these is an acid? (a) plain water (b) baking soda water (c) tamarind water (d) sugar water

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