Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 612 · 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.🫧 Which of these is a base? (a) vinegar (b) orange juice (c) detergent water (d) lemon juice
2. 2.🫧 Is detergent water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
3. 3.🫧 Which of these is neutral? (a) vinegar (b) plain water (c) tamarind water (d) baking soda water
4. 4.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a magnet (b) a funnel or spoon (c) baking soda (d) a tray for spills
5. 5.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a mirror (c) a battery cell (d) a funnel or spoon
6. 6.⚖️ 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
7. 7.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) spoons of baking soda (b) size of the balloon (c) the amount of vinegar
8. 8.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) needed (b) not needed
9. 9.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) carbon dioxide (c) helium (d) hydrogen
10. 10.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a comb (c) an empty bottle (d) a funnel or spoon
11. 11.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is kept the same. (a) False (b) True
12. 12.🫧 Which of these is an acid? (a) salt water (b) vinegar (c) baking soda water (d) detergent water
13. 13.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) the balloon got cold (c) an ingredient ran out (d) the gas froze
14. 14.🫧 Is baking soda water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
15. 15.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) vinegar (c) a balloon (d) sugar
16. 16.🔍 Which is the odd one out? (a) detergent water (b) soap solution (c) baking soda water (d) orange juice
17. 17.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) keep it away from eyes (c) shake it near your face (d) seal it in a glass jar
18. 18.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we measure it (b) we keep it the same (c) we change it
19. 19.🔍 Which is the odd one out? (a) curd (b) orange juice (c) vinegar (d) soap solution
20. 20.⚖️ 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
21. 21.🔍 Which is the odd one out? (a) salt water (b) lemon juice (c) orange juice (d) tamarind water
22. 22.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they react (b) they float apart (c) they freeze (d) they become magnets
23. 23.⚖️ 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 kind of balloon
24. 24.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) a funnel or spoon (c) a magnet (d) a balloon
25. 25.🫧 Is sugar water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
26. 26.True or false: lemon juice is neutral. (a) False (b) True
27. 27.🧺 Do we need a battery cell for the fizzy balloon? (a) needed (b) not needed
28. 28.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we keep it the same (b) we measure it (c) we change it
29. 29.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
30. 30.🫧 Which of these is neutral? (a) tamarind water (b) salt water (c) lemon juice (d) detergent water
31. 31.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a comb (c) a battery cell (d) a balloon
32. 32.🔍 Which is the odd one out? (a) plain water (b) soap solution (c) baking soda water (d) detergent water
33. 33.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) add baking soda (c) ignore it (d) rinse with clean water
34. 34.True or false: an empty bottle is needed for the fizzy balloon. (a) False (b) True
35. 35.🫧 What do you see when baking soda meets vinegar? (a) lots of fizzy bubbles (b) it glows in the dark (c) nothing at all (d) it turns to ice
36. 36.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
37. 37.🧺 Do we need a tray for spills for the fizzy balloon? (a) needed (b) not needed
38. 38.⚖️ 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
39. 39.True or false: plain water is a base. (a) False (b) True
40. 40.🔍 Which is the odd one out? (a) sugar water (b) salt water (c) plain water (d) baking soda water

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