Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 167 · 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 an empty bottle for the fizzy balloon? (a) not needed (b) needed
2. 2.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a mirror (c) a magnet (d) baking soda
3. 3.⚖️ 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
4. 4.⚖️ 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
5. 5.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a seed (c) a balloon (d) vinegar
6. 6.🫧 Is lemon juice an acid, a base or neutral? (a) an acid (b) neutral (c) a base
7. 7.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) rinse with clean water (c) add baking soda (d) rub it hard
8. 8.🧺 Which of these is needed for the fizzy balloon? (a) an empty bottle (b) a mirror (c) a battery cell (d) sugar
9. 9.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is the one thing we change. (a) False (b) True
10. 10.True or false: vinegar is an acid. (a) True (b) False
11. 11.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a balloon (c) baking soda (d) a comb
12. 12.⚖️ 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 kind of balloon
13. 13.⚖️ 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
14. 14.⚖️ 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) False (b) True
15. 15.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) size of the balloon (b) the kind of balloon (c) spoons of baking soda (d) the same bottle
16. 16.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) a funnel or spoon (c) a tray for spills (d) a mirror
17. 17.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) size of the balloon (b) the same bottle (c) spoons of baking soda
18. 18.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is kept the same. (a) True (b) False
19. 19.⚖️ 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
20. 20.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) carbon dioxide (b) hydrogen (c) helium (d) oxygen
21. 21.🫧 Which of these is an acid? (a) orange juice (b) baking soda water (c) soap solution (d) detergent water
22. 22.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) baking soda (c) sugar (d) a tray for spills
23. 23.🔮 Predict: you use plain water instead of vinegar. What happens? (a) the balloon bursts (b) very little fizzing (c) it turns to honey (d) a huge eruption
24. 24.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
25. 25.🎈 Why does the balloon blow up? (a) outside air gets in (b) the bottle shrinks (c) vinegar is hot (d) gas is made inside
26. 26.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we keep it the same (b) we measure it (c) we change it
27. 27.🫧 Is vinegar an acid, a base or neutral? (a) an acid (b) neutral (c) a base
28. 28.⚖️ 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 keep it the same (c) we change it
29. 29.🔮 The fizzing stops after a while. Why? (a) an ingredient ran out (b) the gas froze (c) the balloon got cold (d) the bottle got tired
30. 30.True or false: sugar water is an acid. (a) False (b) True
31. 31.🧺 Do we need sugar for the fizzy balloon? (a) not needed (b) needed
32. 32.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
33. 33.🫧 Which of these is neutral? (a) curd (b) orange juice (c) baking soda water (d) plain water
34. 34.True or false: orange juice is an acid. (a) False (b) True
35. 35.🔍 Which is the odd one out? (a) soap solution (b) lemon juice (c) detergent water (d) baking soda water
36. 36.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a mirror (c) a balloon (d) a battery cell
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.True or false: a balloon is needed for the fizzy balloon. (a) False (b) True
39. 39.🫧 Which of these is a base? (a) baking soda water (b) curd (c) sugar water (d) plain water
40. 40.🔍 Which is the odd one out? (a) plain water (b) baking soda water (c) sugar water (d) salt water

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