Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 234 · 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 same bottle is kept the same. (a) True (b) False
2. 2.🎈 Why does the balloon blow up? (a) vinegar is hot (b) the bottle shrinks (c) gas is made inside (d) outside air gets in
3. 3.⚖️ 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 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) baking soda (c) a battery cell (d) an empty bottle
5. 5.🧺 Do we need a balloon for the fizzy balloon? (a) needed (b) not needed
6. 6.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is what we measure. (a) False (b) True
7. 7.⚖️ 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
8. 8.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) there is no change (b) it grows bigger (c) it shrinks (d) it turns blue
9. 9.True or false: lemon juice is a base. (a) False (b) True
10. 10.True or false: a seed is needed for the fizzy balloon. (a) True (b) False
11. 11.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they react (b) they become magnets (c) they float apart (d) they freeze
12. 12.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a tray for spills (c) a funnel or spoon (d) a mirror
13. 13.🔍 Which is the odd one out? (a) salt water (b) soap solution (c) detergent water (d) baking soda water
14. 14.True or false: sugar water is an acid. (a) False (b) True
15. 15.🫧 Is vinegar an acid, a base or neutral? (a) neutral (b) an acid (c) a base
16. 16.🫧 Which of these is an acid? (a) detergent water (b) soap solution (c) baking soda water (d) lemon juice
17. 17.True or false: a battery cell is needed for the fizzy balloon. (a) True (b) False
18. 18.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) sugar (b) an empty bottle (c) a tray for spills (d) vinegar
19. 19.True or false: lemon juice is neutral. (a) True (b) False
20. 20.🔍 Which is the odd one out? (a) vinegar (b) lemon juice (c) detergent water (d) curd
21. 21.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) hydrogen (b) carbon dioxide (c) helium (d) oxygen
22. 22.⚖️ 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
23. 23.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a seed (c) a tray for spills (d) vinegar
24. 24.🔮 The fizzing stops after a while. Why? (a) an ingredient ran out (b) the bottle got tired (c) the gas froze (d) the balloon got cold
25. 25.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the same bottle (b) size of the balloon (c) the amount of vinegar (d) spoons of baking soda
26. 26.🫧 What do you see when baking soda meets vinegar? (a) lots of fizzy bubbles (b) it glows in the dark (c) it turns to ice (d) nothing at all
27. 27.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we keep it the same (b) we change it (c) we measure it
28. 28.🫧 Which of these is neutral? (a) orange juice (b) lemon juice (c) salt water (d) soap solution
29. 29.True or false: plain water is neutral. (a) False (b) True
30. 30.🫧 Is orange juice an acid, a base or neutral? (a) neutral (b) a base (c) an acid
31. 31.⚖️ 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
32. 32.🧺 Do we need a magnet for the fizzy balloon? (a) needed (b) not needed
33. 33.🫧 Is soap solution an acid, a base or neutral? (a) a base (b) neutral (c) an acid
34. 34.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) True (b) False
35. 35.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) rub it hard (c) rinse with clean water (d) ignore it
36. 36.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we measure it (b) we keep it the same (c) we change it
37. 37.🫧 Is lemon juice an acid, a base or neutral? (a) a base (b) neutral (c) an acid
38. 38.🫧 Which of these is a base? (a) detergent water (b) plain water (c) vinegar (d) sugar water
39. 39.True or false: a balloon is not needed for the fizzy balloon. (a) True (b) False
40. 40.True or false: detergent water is neutral. (a) True (b) False

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