Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 848 · 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 a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
2. 2.🔍 Which is the odd one out? (a) tamarind water (b) curd (c) sugar water (d) orange juice
3. 3.🔍 Which is the odd one out? (a) orange juice (b) baking soda water (c) vinegar (d) curd
4. 4.⚖️ 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
5. 5.🫧 Is curd an acid, a base or neutral? (a) a base (b) an acid (c) neutral
6. 6.⚖️ 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
7. 7.🧺 Do we need a seed for the fizzy balloon? (a) not needed (b) needed
8. 8.🎈 Why does the balloon blow up? (a) outside air gets in (b) vinegar is hot (c) gas is made inside (d) the bottle shrinks
9. 9.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
10. 10.🫧 Is baking soda water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
11. 11.True or false: vinegar is not needed for the fizzy balloon. (a) True (b) False
12. 12.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) it turns to honey (c) very little fizzing (d) the balloon bursts
13. 13.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) carbon dioxide (c) hydrogen (d) helium
14. 14.True or false: sugar water is neutral. (a) True (b) False
15. 15.🔍 Which is the odd one out? (a) lemon juice (b) salt water (c) sugar water (d) plain water
16. 16.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) the gas froze (c) the balloon got cold (d) an ingredient ran out
17. 17.🫧 Which of these is an acid? (a) tamarind water (b) baking soda water (c) detergent water (d) plain water
18. 18.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) it glows in the dark (c) lots of fizzy bubbles (d) it turns to ice
19. 19.🛟 What should you do if vinegar splashes in your eye? (a) rinse with clean water (b) add baking soda (c) rub it hard (d) ignore it
20. 20.⚖️ 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
21. 21.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they freeze (b) they float apart (c) they become magnets (d) they react
22. 22.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) baking soda (c) a seed (d) vinegar
23. 23.🫧 Which of these is an acid? (a) lemon juice (b) soap solution (c) salt water (d) baking soda water
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) size of the balloon (c) the amount of vinegar (d) the kind of balloon
25. 25.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is what we measure. (a) True (b) False
26. 26.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
27. 27.🔍 Which is the odd one out? (a) curd (b) sugar water (c) plain water (d) salt water
28. 28.🫧 Which of these is an acid? (a) baking soda water (b) plain water (c) curd (d) soap solution
29. 29.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) an empty bottle (c) a comb (d) a funnel or spoon
30. 30.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) keep it away from eyes (c) shake it near your face (d) put it in your mouth
31. 31.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the amount of vinegar (b) spoons of baking soda (c) the kind of balloon (d) size of the balloon
32. 32.🧺 Do we need vinegar for the fizzy balloon? (a) needed (b) not needed
33. 33.⚖️ 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
34. 34.True or false: tamarind water is an acid. (a) True (b) False
35. 35.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is kept the same. (a) True (b) False
36. 36.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a battery cell (c) vinegar (d) an empty bottle
37. 37.True or false: detergent water is neutral. (a) False (b) True
38. 38.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a funnel or spoon (c) a comb (d) sugar
39. 39.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is what we measure. (a) True (b) False
40. 40.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is kept the same. (a) False (b) True

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