Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 360 · 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 gas fills the balloon in the baking soda and vinegar experiment? (a) helium (b) oxygen (c) hydrogen (d) carbon dioxide
2. 2.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
3. 3.🔮 Predict: you use plain water instead of vinegar. What happens? (a) very little fizzing (b) a huge eruption (c) it turns to honey (d) the balloon bursts
4. 4.🔍 Which is the odd one out? (a) orange juice (b) soap solution (c) detergent water (d) baking soda water
5. 5.🫧 Which of these is neutral? (a) vinegar (b) sugar water (c) soap solution (d) curd
6. 6.📘 Is the fizzing a sign that a new substance is made? (a) it is only dissolving (b) no, nothing changes (c) yes, a new gas forms (d) it is only melting
7. 7.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we measure it (b) we change it (c) we keep it the same
8. 8.⚖️ 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
9. 9.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
10. 10.🫧 Is salt water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
11. 11.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) shake it near your face (c) seal it in a glass jar (d) keep it away from eyes
12. 12.True or false: baking soda is needed for the fizzy balloon. (a) True (b) False
13. 13.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) sugar (c) baking soda (d) a battery cell
14. 14.True or false: salt water is an acid. (a) True (b) False
15. 15.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) vinegar (c) a balloon (d) a magnet
16. 16.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
17. 17.⚖️ 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
18. 18.🫧 Which of these is an acid? (a) lemon juice (b) baking soda water (c) soap solution (d) salt water
19. 19.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is kept the same. (a) False (b) True
20. 20.True or false: a mirror is needed for the fizzy balloon. (a) True (b) False
21. 21.🫧 Is baking soda water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
22. 22.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a tray for spills (c) sugar (d) a balloon
23. 23.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they react (b) they become magnets (c) they freeze (d) they float apart
24. 24.🎈 Why does the balloon blow up? (a) the bottle shrinks (b) vinegar is hot (c) gas is made inside (d) outside air gets in
25. 25.🫧 Which of these is a base? (a) vinegar (b) detergent water (c) salt water (d) sugar water
26. 26.🫧 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
27. 27.🔍 Which is the odd one out? (a) vinegar (b) detergent water (c) orange juice (d) tamarind water
28. 28.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a tray for spills (c) a battery cell (d) a funnel or spoon
29. 29.🫧 Is curd an acid, a base or neutral? (a) neutral (b) an acid (c) a base
30. 30.🔍 Which is the odd one out? (a) baking soda water (b) detergent water (c) soap solution (d) plain water
31. 31.⚖️ 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
32. 32.🫧 Is vinegar an acid, a base or neutral? (a) a base (b) neutral (c) an acid
33. 33.True or false: a funnel or spoon is needed for the fizzy balloon. (a) False (b) True
34. 34.True or false: curd is an acid. (a) False (b) True
35. 35.⚖️ 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) the kind of balloon (c) the same bottle (d) the amount of vinegar
36. 36.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is kept the same. (a) False (b) True
37. 37.⚖️ 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
38. 38.🔍 Which is the odd one out? (a) tamarind water (b) soap solution (c) orange juice (d) lemon juice
39. 39.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
40. 40.🔮 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

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