Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 845 · 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 the one thing we change? (a) the amount of vinegar (b) spoons of baking soda (c) the kind of balloon (d) the same bottle
2. 2.🧺 Do we need a seed for the fizzy balloon? (a) not needed (b) needed
3. 3.🔍 Which is the odd one out? (a) salt water (b) sugar water (c) curd (d) plain water
4. 4.🧺 Do we need a tray for spills 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: spoons of baking soda is what we measure. (a) True (b) False
6. 6.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it turns blue (b) there is no change (c) it shrinks (d) it grows bigger
7. 7.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) baking soda (c) a magnet (d) sugar
8. 8.🫧 Is curd an acid, a base or neutral? (a) a base (b) neutral (c) an acid
9. 9.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is what we measure. (a) True (b) False
10. 10.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they float apart (b) they react (c) they become magnets (d) they freeze
11. 11.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we change it (b) we keep it the same (c) we measure it
12. 12.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a magnet (c) an empty bottle (d) baking soda
13. 13.🫧 Which of these is a base? (a) plain water (b) curd (c) baking soda water (d) vinegar
14. 14.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) vinegar (c) a comb (d) baking soda
15. 15.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) size of the balloon (b) the amount of vinegar (c) the same bottle (d) spoons of baking soda
16. 16.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a funnel or spoon (c) a seed (d) a tray for spills
17. 17.True or false: salt water is a base. (a) True (b) False
18. 18.🔮 The fizzing stops after a while. Why? (a) the gas froze (b) the balloon got cold (c) an ingredient ran out (d) the bottle got tired
19. 19.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) it turns to ice (c) it glows in the dark (d) lots of fizzy bubbles
20. 20.🔍 Which is the odd one out? (a) detergent water (b) soap solution (c) baking soda water (d) orange juice
21. 21.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the kind of balloon (b) spoons of baking soda (c) size of the balloon
22. 22.🔍 Which is the odd one out? (a) baking soda water (b) tamarind water (c) curd (d) vinegar
23. 23.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) an empty bottle (c) a tray for spills (d) sugar
24. 24.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) carbon dioxide (c) helium (d) hydrogen
25. 25.🧺 Do we need a comb for the fizzy balloon? (a) not needed (b) needed
26. 26.🫧 Which of these is neutral? (a) plain water (b) lemon juice (c) vinegar (d) tamarind water
27. 27.True or false: a tray for spills is needed for the fizzy balloon. (a) False (b) True
28. 28.True or false: vinegar is an acid. (a) False (b) True
29. 29.⚖️ 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 change it (c) we keep it the same
30. 30.📘 Is the fizzing a sign that a new substance is made? (a) yes, a new gas forms (b) it is only dissolving (c) it is only melting (d) no, nothing changes
31. 31.🛟 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
32. 32.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a balloon (c) a mirror (d) vinegar
33. 33.True or false: tamarind water is neutral. (a) True (b) False
34. 34.⚖️ 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) False (b) True
35. 35.🫧 Which of these is an acid? (a) plain water (b) soap solution (c) vinegar (d) detergent water
36. 36.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is what we measure. (a) False (b) True
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.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a magnet (c) an empty bottle (d) a battery cell
39. 39.🫧 Which of these is an acid? (a) soap solution (b) detergent water (c) sugar water (d) tamarind water
40. 40.🫧 Is vinegar an acid, a base or neutral? (a) an acid (b) neutral (c) a base

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