Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 792 · 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.🧺 Do we need sugar for the fizzy balloon? (a) not needed (b) needed
2. 2.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) an empty bottle (c) a funnel or spoon (d) a seed
3. 3.🔮 The fizzing stops after a while. Why? (a) the gas froze (b) the balloon got cold (c) an ingredient ran out (d) the bottle got tired
4. 4.🫧 Which of these is an acid? (a) soap solution (b) curd (c) salt water (d) baking soda water
5. 5.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
6. 6.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a battery cell (b) vinegar (c) baking soda (d) a funnel or spoon
7. 7.⚖️ 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
8. 8.🫧 Which of these is an acid? (a) soap solution (b) orange juice (c) plain water (d) salt water
9. 9.True or false: sugar water is a base. (a) True (b) False
10. 10.🫧 Which of these is neutral? (a) soap solution (b) vinegar (c) tamarind water (d) sugar water
11. 11.🫧 Which of these is a base? (a) sugar water (b) soap solution (c) tamarind water (d) salt water
12. 12.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a mirror (b) a tray for spills (c) baking soda (d) a balloon
13. 13.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they become magnets (b) they float apart (c) they react (d) they freeze
14. 14.True or false: an empty bottle is needed for the fizzy balloon. (a) True (b) False
15. 15.🧺 Do we need a seed for the fizzy balloon? (a) needed (b) not needed
16. 16.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) an empty bottle (c) a comb (d) vinegar
17. 17.🫧 What do you see when baking soda meets vinegar? (a) lots of fizzy bubbles (b) it glows in the dark (c) it turns to ice (d) nothing at all
18. 18.🔍 Which is the odd one out? (a) baking soda water (b) salt water (c) sugar water (d) plain water
19. 19.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) rub it hard (c) rinse with clean water (d) add baking soda
20. 20.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a balloon (c) a seed (d) sugar
21. 21.⚖️ 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
22. 22.⚖️ 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
23. 23.🛟 Which safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) put it in your mouth (c) shake it near your face (d) seal it in a glass jar
24. 24.🫧 Which of these is an acid? (a) plain water (b) baking soda water (c) vinegar (d) detergent water
25. 25.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
26. 26.🫧 Which of these is neutral? (a) salt water (b) curd (c) vinegar (d) lemon juice
27. 27.⚖️ 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
28. 28.🫧 Is detergent water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
29. 29.True or false: a balloon is needed for the fizzy balloon. (a) False (b) True
30. 30.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) vinegar (c) a comb (d) an empty bottle
31. 31.⚖️ 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 amount of vinegar (d) the kind of balloon
32. 32.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
33. 33.⚖️ 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) the kind of balloon (d) spoons of baking soda
34. 34.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
35. 35.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) there is no change (c) it grows bigger (d) it turns blue
36. 36.True or false: tamarind water is an acid. (a) True (b) False
37. 37.🔍 Which is the odd one out? (a) soap solution (b) detergent water (c) baking soda water (d) orange juice
38. 38.True or false: a balloon is not needed for the fizzy balloon. (a) True (b) False
39. 39.🫧 Which of these is an acid? (a) baking soda water (b) plain water (c) tamarind water (d) detergent water
40. 40.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we keep it the same (b) we change it (c) we measure it

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