Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 581 · 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: the amount of vinegar is kept the same. (a) False (b) True
2. 2.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the amount of vinegar (b) size of the balloon (c) the kind of balloon (d) spoons of baking soda
3. 3.True or false: vinegar is an acid. (a) True (b) False
4. 4.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
5. 5.⚖️ 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
6. 6.⚖️ 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
7. 7.⚖️ 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 change it (c) we keep it the same
8. 8.🧺 Do we need a magnet for the fizzy balloon? (a) needed (b) not needed
9. 9.🔍 Which is the odd one out? (a) baking soda water (b) plain water (c) detergent water (d) soap solution
10. 10.🫧 Is salt water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
11. 11.True or false: a battery cell is needed for the fizzy balloon. (a) True (b) False
12. 12.🫧 Which of these is an acid? (a) soap solution (b) baking soda water (c) curd (d) detergent water
13. 13.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it grows bigger (b) it shrinks (c) it turns blue (d) there is no change
14. 14.🫧 Is plain water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
15. 15.🫧 Is curd an acid, a base or neutral? (a) a base (b) an acid (c) neutral
16. 16.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they become magnets (b) they freeze (c) they react (d) they float apart
17. 17.🧺 Which of these is not needed for the fizzy balloon? (a) sugar (b) a tray for spills (c) baking soda (d) an empty bottle
18. 18.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) baking soda (c) a tray for spills (d) a magnet
19. 19.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) an empty bottle (c) a battery cell (d) vinegar
20. 20.🔍 Which is the odd one out? (a) orange juice (b) lemon juice (c) baking soda water (d) vinegar
21. 21.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a mirror (c) a balloon (d) baking soda
22. 22.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) hydrogen (b) carbon dioxide (c) oxygen (d) helium
23. 23.🎈 Why does the balloon blow up? (a) outside air gets in (b) vinegar is hot (c) gas is made inside (d) the bottle shrinks
24. 24.🧺 Which of these is needed for the fizzy balloon? (a) a balloon (b) a seed (c) a mirror (d) sugar
25. 25.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we change it (b) we keep it the same (c) we measure it
26. 26.⚖️ 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) True (b) False
27. 27.🔍 Which is the odd one out? (a) soap solution (b) baking soda water (c) detergent water (d) curd
28. 28.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) an empty bottle (c) sugar (d) a balloon
29. 29.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a seed (b) a balloon (c) baking soda (d) a tray for spills
30. 30.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) ignore it (c) rub it hard (d) rinse with clean water
31. 31.True or false: curd is a base. (a) False (b) True
32. 32.⚖️ 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
33. 33.🔍 Which is the odd one out? (a) baking soda water (b) detergent water (c) sugar water (d) soap solution
34. 34.True or false: lemon juice is neutral. (a) True (b) False
35. 35.🫧 Is vinegar an acid, a base or neutral? (a) neutral (b) a base (c) an acid
36. 36.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) size of the balloon (b) spoons of baking soda (c) the same bottle
37. 37.True or false: a battery cell is not needed for the fizzy balloon. (a) True (b) False
38. 38.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the same bottle (b) size of the balloon (c) the kind of balloon (d) spoons of baking soda
39. 39.⚖️ 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
40. 40.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) sugar (c) a funnel or spoon (d) a comb

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