Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 289 · 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? Which of these is what we measure? (a) spoons of baking soda (b) the same bottle (c) the amount of vinegar (d) size of the balloon
2. 2.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) an empty bottle (c) a mirror (d) a battery cell
3. 3.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
4. 4.🫧 Which of these is neutral? (a) soap solution (b) vinegar (c) orange juice (d) plain water
5. 5.🔍 Which is the odd one out? (a) sugar water (b) plain water (c) lemon juice (d) salt water
6. 6.🫧 Which of these is an acid? (a) lemon juice (b) soap solution (c) salt water (d) detergent water
7. 7.🛟 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
8. 8.True or false: a mirror is needed for the fizzy balloon. (a) True (b) False
9. 9.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) there is no change (b) it turns blue (c) it shrinks (d) it grows bigger
10. 10.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
11. 11.🫧 Which of these is a base? (a) orange juice (b) detergent water (c) plain water (d) vinegar
12. 12.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) baking soda (c) a tray for spills (d) a comb
13. 13.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we measure it (b) we keep it the same (c) we change it
14. 14.🫧 Is plain water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
15. 15.⚖️ 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 same bottle
16. 16.True or false: vinegar is an acid. (a) False (b) True
17. 17.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a magnet (c) a balloon (d) a comb
18. 18.True or false: sugar water is an acid. (a) False (b) True
19. 19.🧺 Do we need sugar for the fizzy balloon? (a) not needed (b) needed
20. 20.🫧 Which of these is an acid? (a) sugar water (b) soap solution (c) salt water (d) vinegar
21. 21.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
22. 22.⚖️ 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
23. 23.True or false: a balloon is not needed for the fizzy balloon. (a) False (b) True
24. 24.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the kind of balloon (b) spoons of baking soda (c) the amount of vinegar (d) size of the balloon
25. 25.⚖️ 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
26. 26.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) an empty bottle (c) baking soda (d) a battery cell
27. 27.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) baking soda (c) a magnet (d) a funnel or spoon
28. 28.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they become magnets (b) they float apart (c) they freeze (d) they react
29. 29.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is the one thing we change. (a) True (b) False
30. 30.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we change it (b) we keep it the same (c) we measure it
31. 31.True or false: vinegar is neutral. (a) True (b) False
32. 32.🔮 The fizzing stops after a while. Why? (a) an ingredient ran out (b) the gas froze (c) the bottle got tired (d) the balloon got cold
33. 33.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) very little fizzing (c) a huge eruption (d) the balloon bursts
34. 34.🔍 Which is the odd one out? (a) plain water (b) baking soda water (c) sugar water (d) salt water
35. 35.🔍 Which is the odd one out? (a) tamarind water (b) vinegar (c) detergent water (d) curd
36. 36.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a mirror (b) a balloon (c) a tray for spills (d) an empty bottle
37. 37.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a seed (c) vinegar (d) an empty bottle
38. 38.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a battery cell (c) a funnel or spoon (d) a mirror
39. 39.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) an empty bottle (c) baking soda (d) a comb
40. 40.🧺 Which of these is needed for the fizzy balloon? (a) vinegar (b) a mirror (c) a seed (d) sugar

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