Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 938 · 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) plain water (b) curd (c) soap solution (d) salt water
2. 2.⚖️ 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
3. 3.⚖️ 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 measure it (c) we change it
4. 4.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a battery cell (c) a tray for spills (d) a balloon
5. 5.🫧 Is plain water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
6. 6.🎈 Why does the balloon blow up? (a) outside air gets in (b) vinegar is hot (c) gas is made inside (d) the bottle shrinks
7. 7.True or false: tamarind water is a base. (a) True (b) False
8. 8.🫧 Is orange juice an acid, a base or neutral? (a) a base (b) an acid (c) neutral
9. 9.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
10. 10.🧺 Do we need a battery cell for the fizzy balloon? (a) needed (b) not needed
11. 11.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) shake it near your face (c) keep it away from eyes (d) put it in your mouth
12. 12.🔮 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
13. 13.⚖️ 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 same bottle (c) size of the balloon (d) the amount of vinegar
14. 14.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a funnel or spoon (c) a magnet (d) an empty bottle
15. 15.True or false: lemon juice is an acid. (a) False (b) True
16. 16.⚖️ 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
17. 17.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they float apart (b) they freeze (c) they become magnets (d) they react
18. 18.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) baking soda (c) a funnel or spoon (d) sugar
19. 19.🧺 Which of these is needed for the fizzy balloon? (a) a balloon (b) a magnet (c) a mirror (d) a comb
20. 20.🫧 Which of these is a base? (a) sugar water (b) tamarind water (c) vinegar (d) baking soda water
21. 21.True or false: tamarind water is an acid. (a) False (b) True
22. 22.True or false: sugar is needed for the fizzy balloon. (a) True (b) False
23. 23.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) hydrogen (b) carbon dioxide (c) helium (d) oxygen
24. 24.True or false: baking soda water is a base. (a) True (b) False
25. 25.🫧 Which of these is an acid? (a) tamarind water (b) detergent water (c) sugar water (d) plain water
26. 26.🫧 Which of these is an acid? (a) soap solution (b) orange juice (c) plain water (d) sugar water
27. 27.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) an empty bottle (c) vinegar (d) a battery cell
28. 28.🧺 Which of these is not needed for the fizzy balloon? (a) a mirror (b) baking soda (c) a funnel or spoon (d) a balloon
29. 29.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the amount of vinegar (b) size of the balloon (c) spoons of baking soda (d) the same bottle
30. 30.🔮 The fizzing stops after a while. Why? (a) the balloon got cold (b) the bottle got tired (c) the gas froze (d) an ingredient ran out
31. 31.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
32. 32.🫧 Is salt water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
33. 33.🫧 Is sugar water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
34. 34.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
35. 35.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a tray for spills (c) a mirror (d) a seed
36. 36.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a seed (c) a battery cell (d) an empty bottle
37. 37.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we change it (b) we keep it the same (c) we measure it
38. 38.🫧 Which of these is neutral? (a) baking soda water (b) sugar water (c) lemon juice (d) orange juice
39. 39.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
40. 40.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a funnel or spoon (c) a comb (d) a tray for spills

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