Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 276 · 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.🫧 Is detergent water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
2. 2.True or false: sugar is needed for the fizzy balloon. (a) False (b) True
3. 3.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they float apart (b) they become magnets (c) they freeze (d) they react
4. 4.🔍 Which is the odd one out? (a) soap solution (b) sugar water (c) plain water (d) salt water
5. 5.🫧 What do you see when baking soda meets vinegar? (a) it turns to ice (b) nothing at all (c) lots of fizzy bubbles (d) it glows in the dark
6. 6.⚖️ 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 measure it (c) we change it
7. 7.🧺 Which of these is needed for the fizzy balloon? (a) a balloon (b) a comb (c) a battery cell (d) a seed
8. 8.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) vinegar (c) a battery cell (d) a magnet
9. 9.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is kept the same. (a) False (b) True
10. 10.True or false: a balloon is needed for the fizzy balloon. (a) False (b) True
11. 11.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a balloon (c) a magnet (d) baking soda
12. 12.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the same bottle (b) size of the balloon (c) spoons of baking soda
13. 13.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
14. 14.True or false: a magnet is needed for the fizzy balloon. (a) True (b) False
15. 15.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) there is no change (b) it turns blue (c) it grows bigger (d) it shrinks
16. 16.True or false: a comb is needed for the fizzy balloon. (a) False (b) True
17. 17.🫧 Is tamarind water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
18. 18.🧺 Do we need vinegar for the fizzy balloon? (a) needed (b) not needed
19. 19.⚖️ 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
20. 20.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) seal it in a glass jar (c) shake it near your face (d) keep it away from eyes
21. 21.True or false: sugar is not needed for the fizzy balloon. (a) False (b) True
22. 22.🫧 Is lemon juice an acid, a base or neutral? (a) a base (b) an acid (c) neutral
23. 23.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is the one thing we change. (a) True (b) False
24. 24.🫧 Which of these is a base? (a) baking soda water (b) tamarind water (c) sugar water (d) lemon juice
25. 25.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
26. 26.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the kind of balloon (b) spoons of baking soda (c) size of the balloon (d) the amount of vinegar
27. 27.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
28. 28.🫧 Is soap solution an acid, a base or neutral? (a) a base (b) an acid (c) neutral
29. 29.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) very little fizzing (c) a huge eruption (d) the balloon bursts
30. 30.🫧 Which of these is an acid? (a) detergent water (b) vinegar (c) salt water (d) plain water
31. 31.True or false: plain water is neutral. (a) True (b) False
32. 32.🫧 Which of these is neutral? (a) tamarind water (b) baking soda water (c) salt water (d) lemon juice
33. 33.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we measure it (b) we change it (c) we keep it the same
34. 34.🔮 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
35. 35.🫧 Which of these is neutral? (a) tamarind water (b) orange juice (c) sugar water (d) vinegar
36. 36.🔍 Which is the odd one out? (a) detergent water (b) baking soda water (c) soap solution (d) plain water
37. 37.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we keep it the same (b) we change it (c) we measure it
38. 38.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is what we measure. (a) False (b) True
39. 39.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is kept the same. (a) False (b) True
40. 40.⚖️ 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

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