Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 333 · 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.True or false: a balloon is needed for the fizzy balloon. (a) False (b) True
2. 2.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it grows bigger (b) it shrinks (c) it turns blue (d) there is no change
3. 3.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a battery cell (c) a comb (d) a tray for spills
4. 4.🫧 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
5. 5.⚖️ 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
6. 6.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is kept the same. (a) True (b) False
7. 7.🫧 Is curd an acid, a base or neutral? (a) neutral (b) an acid (c) a base
8. 8.True or false: soap solution is an acid. (a) True (b) False
9. 9.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a magnet (b) a tray for spills (c) vinegar (d) a funnel or spoon
10. 10.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) vinegar (c) a balloon (d) a mirror
11. 11.📘 Is the fizzing a sign that a new substance is made? (a) yes, a new gas forms (b) no, nothing changes (c) it is only dissolving (d) it is only melting
12. 12.🫧 Which of these is an acid? (a) sugar water (b) plain water (c) lemon juice (d) soap solution
13. 13.🔍 Which is the odd one out? (a) detergent water (b) soap solution (c) sugar water (d) baking soda water
14. 14.🫧 Is detergent water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
15. 15.🧺 Which of these is needed for the fizzy balloon? (a) baking soda (b) a comb (c) a magnet (d) a mirror
16. 16.🎈 Why does the balloon blow up? (a) vinegar is hot (b) the bottle shrinks (c) outside air gets in (d) gas is made inside
17. 17.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a comb (b) a balloon (c) a tray for spills (d) an empty bottle
18. 18.⚖️ 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 same bottle
19. 19.🫧 Is plain water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
20. 20.True or false: orange juice is an acid. (a) False (b) True
21. 21.⚖️ 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 measure it (c) we keep it the same
22. 22.🔍 Which is the odd one out? (a) baking soda water (b) tamarind water (c) lemon juice (d) vinegar
23. 23.🛟 Which safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) seal it in a glass jar (c) put it in your mouth (d) shake it near your face
24. 24.🫧 Which of these is an acid? (a) plain water (b) vinegar (c) sugar water (d) detergent water
25. 25.True or false: orange juice is a base. (a) False (b) True
26. 26.True or false: tamarind water is neutral. (a) False (b) True
27. 27.True or false: salt water is neutral. (a) False (b) True
28. 28.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
29. 29.⚖️ 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) spoons of baking soda (d) the same bottle
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.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the amount of vinegar (b) the kind of balloon (c) spoons of baking soda (d) size of the balloon
32. 32.🫧 Is soap solution an acid, a base or neutral? (a) a base (b) an acid (c) neutral
33. 33.⚖️ 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
34. 34.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a mirror (c) a balloon (d) a battery cell
35. 35.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a tray for spills (c) an empty bottle (d) a seed
36. 36.⚖️ 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
37. 37.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
38. 38.True or false: sugar water is a base. (a) False (b) True
39. 39.🫧 Is sugar water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
40. 40.⚖️ 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 change it (c) we keep it the same

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