Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 606 · 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.🔮 The fizzing stops after a while. Why? (a) the balloon got cold (b) an ingredient ran out (c) the gas froze (d) the bottle got tired
2. 2.🫧 Is curd an acid, a base or neutral? (a) an acid (b) neutral (c) a base
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 a base? (a) vinegar (b) lemon juice (c) plain water (d) detergent water
5. 5.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a balloon (c) a comb (d) an empty bottle
6. 6.🧺 Do we need a battery cell for the fizzy balloon? (a) needed (b) not needed
7. 7.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
8. 8.🧺 Do we need a seed for the fizzy balloon? (a) not needed (b) needed
9. 9.🧺 Do we need a magnet for the fizzy balloon? (a) needed (b) not needed
10. 10.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) baking soda (c) a battery cell (d) a funnel or spoon
11. 11.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) helium (b) hydrogen (c) carbon dioxide (d) oxygen
12. 12.⚖️ 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
13. 13.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
14. 14.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) seal it in a glass jar (c) keep it away from eyes (d) put it in your mouth
15. 15.True or false: a mirror is not needed for the fizzy balloon. (a) False (b) True
16. 16.🧺 Which of these is needed for the fizzy balloon? (a) a tray for spills (b) a mirror (c) a battery cell (d) a magnet
17. 17.🔍 Which is the odd one out? (a) baking soda water (b) vinegar (c) tamarind water (d) curd
18. 18.True or false: a balloon is needed for the fizzy balloon. (a) False (b) True
19. 19.True or false: a seed is needed for the fizzy balloon. (a) True (b) False
20. 20.🫧 Is vinegar an acid, a base or neutral? (a) a base (b) neutral (c) an acid
21. 21.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) add baking soda (c) rinse with clean water (d) ignore it
22. 22.⚖️ 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
23. 23.True or false: detergent water is neutral. (a) True (b) False
24. 24.True or false: baking soda water is an acid. (a) True (b) False
25. 25.🫧 What do you see when baking soda meets vinegar? (a) it glows in the dark (b) nothing at all (c) lots of fizzy bubbles (d) it turns to ice
26. 26.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the kind of balloon (b) size of the balloon (c) spoons of baking soda
27. 27.⚖️ 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
28. 28.🫧 Is lemon juice an acid, a base or neutral? (a) an acid (b) neutral (c) a base
29. 29.⚖️ 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 keep it the same (c) we measure it
30. 30.True or false: a battery cell is not needed for the fizzy balloon. (a) False (b) True
31. 31.True or false: vinegar is an acid. (a) True (b) False
32. 32.🫧 Which of these is a base? (a) orange juice (b) lemon juice (c) plain water (d) baking soda water
33. 33.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) spoons of baking soda (b) size of the balloon (c) the same bottle (d) the kind of balloon
34. 34.🧺 Which of these is needed for the fizzy balloon? (a) a funnel or spoon (b) a seed (c) a magnet (d) sugar
35. 35.🫧 Which of these is an acid? (a) soap solution (b) salt water (c) detergent water (d) lemon juice
36. 36.🔍 Which is the odd one out? (a) detergent water (b) soap solution (c) sugar water (d) baking soda water
37. 37.🫧 Which of these is an acid? (a) curd (b) salt water (c) soap solution (d) baking soda water
38. 38.🔍 Which is the odd one out? (a) plain water (b) vinegar (c) curd (d) orange juice
39. 39.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we measure it (b) we change it (c) we keep it the same
40. 40.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) size of the balloon (b) spoons of baking soda (c) the amount of vinegar

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