Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 426 · 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.⚖️ 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
2. 2.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) vinegar (c) a mirror (d) a balloon
3. 3.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it turns blue (b) it shrinks (c) there is no change (d) it grows bigger
4. 4.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a comb (c) baking soda (d) a magnet
5. 5.True or false: a magnet is needed for the fizzy balloon. (a) True (b) False
6. 6.🫧 Which of these is neutral? (a) orange juice (b) curd (c) soap solution (d) sugar water
7. 7.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) spoons of baking soda (b) size of the balloon (c) the kind of balloon (d) the amount of vinegar
8. 8.🧺 Which of these is needed for the fizzy balloon? (a) a funnel or spoon (b) a mirror (c) a battery cell (d) a magnet
9. 9.🫧 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
10. 10.🫧 Which of these is a base? (a) curd (b) baking soda water (c) salt water (d) plain water
11. 11.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
12. 12.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
13. 13.⚖️ 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) False (b) True
14. 14.🧺 Do we need a battery cell for the fizzy balloon? (a) needed (b) not needed
15. 15.🫧 Is tamarind water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
16. 16.True or false: a magnet is not needed for the fizzy balloon. (a) False (b) True
17. 17.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a comb (c) an empty bottle (d) a tray for spills
18. 18.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
19. 19.⚖️ 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
20. 20.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a battery cell (c) an empty bottle (d) a mirror
21. 21.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) baking soda (c) a balloon (d) a magnet
22. 22.🫧 Which of these is a base? (a) sugar water (b) soap solution (c) vinegar (d) salt water
23. 23.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we change it (b) we keep it the same (c) we measure it
24. 24.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) spoons of baking soda (b) the same bottle (c) size of the balloon (d) the kind of balloon
25. 25.True or false: orange juice is neutral. (a) True (b) False
26. 26.True or false: tamarind water is a base. (a) False (b) True
27. 27.🫧 Is curd an acid, a base or neutral? (a) a base (b) neutral (c) an acid
28. 28.⚖️ 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
29. 29.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) ignore it (c) rinse with clean water (d) add baking soda
30. 30.⚖️ 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 measure it (c) we change it
31. 31.🧺 Do we need a seed for the fizzy balloon? (a) needed (b) not needed
32. 32.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they freeze (b) they react (c) they float apart (d) they become magnets
33. 33.🔍 Which is the odd one out? (a) tamarind water (b) orange juice (c) curd (d) detergent water
34. 34.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is the one thing we change. (a) False (b) True
35. 35.🫧 Is baking soda water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
36. 36.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a magnet (b) vinegar (c) a funnel or spoon (d) a balloon
37. 37.🧺 Do we need a tray for spills for the fizzy balloon? (a) needed (b) not needed
38. 38.🫧 Which of these is neutral? (a) curd (b) detergent water (c) salt water (d) lemon juice
39. 39.🔍 Which is the odd one out? (a) curd (b) lemon juice (c) tamarind water (d) plain water
40. 40.🫧 Is vinegar an acid, a base or neutral? (a) neutral (b) an acid (c) a base

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