Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 237 · 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.⚖️ 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
2. 2.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) carbon dioxide (b) helium (c) hydrogen (d) oxygen
3. 3.🫧 Which of these is an acid? (a) lemon juice (b) plain water (c) soap solution (d) sugar water
4. 4.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) spoons of baking soda (b) the amount of vinegar (c) size of the balloon (d) the same bottle
5. 5.🎈 Why does the balloon blow up? (a) gas is made inside (b) outside air gets in (c) the bottle shrinks (d) vinegar is hot
6. 6.🫧 What do you see when baking soda meets vinegar? (a) it turns to ice (b) it glows in the dark (c) lots of fizzy bubbles (d) nothing at all
7. 7.⚖️ 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
8. 8.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
9. 9.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is what we measure. (a) True (b) False
10. 10.🔍 Which is the odd one out? (a) detergent water (b) plain water (c) baking soda water (d) soap solution
11. 11.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) an empty bottle (c) a magnet (d) baking soda
12. 12.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) baking soda (c) a comb (d) a tray for spills
13. 13.🫧 Which of these is an acid? (a) plain water (b) tamarind water (c) salt water (d) baking soda water
14. 14.🫧 Is plain water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
15. 15.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
16. 16.⚖️ 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
17. 17.🛟 Which safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) seal it in a glass jar (c) put it in your mouth (d) shake it near your face
18. 18.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the amount of vinegar (b) spoons of baking soda (c) size of the balloon
19. 19.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is the one thing we change. (a) True (b) False
20. 20.True or false: a seed is not needed for the fizzy balloon. (a) False (b) True
21. 21.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a funnel or spoon (c) a comb (d) a magnet
22. 22.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is kept the same. (a) True (b) False
23. 23.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) baking soda (c) a comb (d) a balloon
24. 24.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) the gas froze (c) an ingredient ran out (d) the balloon got cold
25. 25.True or false: a mirror is not needed for the fizzy balloon. (a) False (b) True
26. 26.🫧 Is soap solution an acid, a base or neutral? (a) an acid (b) neutral (c) a base
27. 27.🫧 Which of these is a base? (a) plain water (b) vinegar (c) soap solution (d) salt water
28. 28.⚖️ 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 amount of vinegar (d) the same bottle
29. 29.🫧 Which of these is neutral? (a) salt water (b) orange juice (c) baking soda water (d) vinegar
30. 30.⚖️ 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
31. 31.🫧 Is orange juice an acid, a base or neutral? (a) neutral (b) a base (c) an acid
32. 32.🔍 Which is the odd one out? (a) tamarind water (b) vinegar (c) sugar water (d) orange juice
33. 33.🫧 Is baking soda water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
34. 34.🔍 Which is the odd one out? (a) baking soda water (b) sugar water (c) plain water (d) salt water
35. 35.True or false: orange juice is a base. (a) True (b) False
36. 36.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) baking soda (c) sugar (d) a balloon
37. 37.🫧 Is tamarind water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
38. 38.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
39. 39.True or false: baking soda is not needed for the fizzy balloon. (a) False (b) True
40. 40.True or false: a balloon is not needed for the fizzy balloon. (a) True (b) False

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