Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 725 · 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) neutral (b) a base (c) an acid
2. 2.True or false: a seed is needed for the fizzy balloon. (a) True (b) False
3. 3.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) an empty bottle (c) baking soda (d) a battery cell
4. 4.⚖️ 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
5. 5.True or false: salt water is a base. (a) True (b) False
6. 6.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the kind of balloon (b) the same bottle (c) size of the balloon (d) spoons of baking soda
7. 7.🔍 Which is the odd one out? (a) detergent water (b) soap solution (c) lemon juice (d) baking soda water
8. 8.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the kind of balloon (b) spoons of baking soda (c) the same bottle (d) the amount of vinegar
9. 9.⚖️ 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
10. 10.🔮 The fizzing stops after a while. Why? (a) the gas froze (b) the bottle got tired (c) the balloon got cold (d) an ingredient ran out
11. 11.True or false: tamarind water is a base. (a) False (b) True
12. 12.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) vinegar (c) a seed (d) a tray for spills
13. 13.🫧 Which of these is a base? (a) detergent water (b) vinegar (c) sugar water (d) orange juice
14. 14.🧺 Which of these is needed for the fizzy balloon? (a) a tray for spills (b) sugar (c) a seed (d) a battery cell
15. 15.True or false: lemon juice is a base. (a) False (b) True
16. 16.True or false: an empty bottle is not needed for the fizzy balloon. (a) True (b) False
17. 17.True or false: a funnel or spoon is needed for the fizzy balloon. (a) True (b) False
18. 18.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) sugar (c) a mirror (d) a balloon
19. 19.True or false: baking soda is not needed for the fizzy balloon. (a) True (b) False
20. 20.True or false: vinegar is a base. (a) False (b) True
21. 21.⚖️ 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
22. 22.⚖️ 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
23. 23.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
24. 24.🫧 What do you see when baking soda meets vinegar? (a) it turns to ice (b) lots of fizzy bubbles (c) it glows in the dark (d) nothing at all
25. 25.True or false: tamarind water is an acid. (a) True (b) False
26. 26.🧺 Which of these is needed for the fizzy balloon? (a) vinegar (b) a battery cell (c) a seed (d) a magnet
27. 27.🔮 Predict: you use plain water instead of vinegar. What happens? (a) the balloon bursts (b) it turns to honey (c) very little fizzing (d) a huge eruption
28. 28.🫧 Is vinegar an acid, a base or neutral? (a) a base (b) an acid (c) neutral
29. 29.🫧 Which of these is a base? (a) soap solution (b) orange juice (c) lemon juice (d) plain water
30. 30.🔍 Which is the odd one out? (a) curd (b) orange juice (c) detergent water (d) tamarind water
31. 31.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a magnet (c) a comb (d) an empty bottle
32. 32.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they react (b) they freeze (c) they become magnets (d) they float apart
33. 33.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
34. 34.⚖️ 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) True (b) False
35. 35.🫧 Which of these is an acid? (a) detergent water (b) baking soda water (c) sugar water (d) vinegar
36. 36.🫧 Is lemon juice an acid, a base or neutral? (a) a base (b) neutral (c) an acid
37. 37.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it turns blue (b) there is no change (c) it grows bigger (d) it shrinks
38. 38.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a battery cell (b) a funnel or spoon (c) baking soda (d) vinegar
39. 39.🔍 Which is the odd one out? (a) vinegar (b) orange juice (c) lemon juice (d) sugar water
40. 40.🫧 Which of these is a base? (a) vinegar (b) plain water (c) salt water (d) baking soda water

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