Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 892 · 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: spoons of baking soda is the one thing we change. (a) True (b) False
2. 2.🫧 Is vinegar an acid, a base or neutral? (a) a base (b) neutral (c) an acid
3. 3.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we keep it the same (b) we measure it (c) we change it
4. 4.True or false: soap solution is a base. (a) True (b) False
5. 5.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) False (b) True
6. 6.🫧 Which of these is neutral? (a) vinegar (b) soap solution (c) sugar water (d) tamarind water
7. 7.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) rub it hard (c) ignore it (d) rinse with clean water
8. 8.⚖️ 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 amount of vinegar
9. 9.True or false: a mirror is not needed for the fizzy balloon. (a) False (b) True
10. 10.🧺 Which of these is not needed for the fizzy balloon? (a) a comb (b) an empty bottle (c) baking soda (d) a balloon
11. 11.True or false: a magnet is needed for the fizzy balloon. (a) False (b) True
12. 12.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) spoons of baking soda (b) the kind of balloon (c) the same bottle (d) size of the balloon
13. 13.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) an empty bottle (c) baking soda (d) a battery cell
14. 14.🫧 Is curd an acid, a base or neutral? (a) an acid (b) neutral (c) a base
15. 15.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) an empty bottle (c) a battery cell (d) a tray for spills
16. 16.🧺 Do we need a tray for spills for the fizzy balloon? (a) needed (b) not needed
17. 17.🔍 Which is the odd one out? (a) tamarind water (b) curd (c) detergent water (d) orange juice
18. 18.⚖️ 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
19. 19.⚖️ 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 kind of balloon
20. 20.True or false: a balloon is needed for the fizzy balloon. (a) False (b) True
21. 21.📘 Is the fizzing a sign that a new substance is made? (a) it is only melting (b) yes, a new gas forms (c) it is only dissolving (d) no, nothing changes
22. 22.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the kind of balloon (b) the amount of vinegar (c) spoons of baking soda (d) size of the balloon
23. 23.🧺 Which of these is needed for the fizzy balloon? (a) baking soda (b) sugar (c) a battery cell (d) a comb
24. 24.🫧 What do you see when baking soda meets vinegar? (a) it glows in the dark (b) nothing at all (c) it turns to ice (d) lots of fizzy bubbles
25. 25.🧺 Which of these is needed for the fizzy balloon? (a) an empty bottle (b) a battery cell (c) a comb (d) a seed
26. 26.True or false: a seed is not needed for the fizzy balloon. (a) False (b) True
27. 27.🫧 Which of these is an acid? (a) detergent water (b) baking soda water (c) orange juice (d) salt water
28. 28.🔍 Which is the odd one out? (a) plain water (b) salt water (c) sugar water (d) vinegar
29. 29.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
30. 30.True or false: tamarind water is an acid. (a) True (b) False
31. 31.🔮 Predict: you use plain water instead of vinegar. What happens? (a) the balloon bursts (b) a huge eruption (c) very little fizzing (d) it turns to honey
32. 32.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a mirror (c) a balloon (d) a funnel or spoon
33. 33.⚖️ 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
34. 34.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a balloon (c) vinegar (d) sugar
35. 35.🫧 Which of these is a base? (a) lemon juice (b) baking soda water (c) salt water (d) plain water
36. 36.True or false: baking soda is needed for the fizzy balloon. (a) False (b) True
37. 37.🧺 Do we need a battery cell for the fizzy balloon? (a) needed (b) not needed
38. 38.🫧 Which of these is an acid? (a) salt water (b) detergent water (c) curd (d) sugar water
39. 39.True or false: baking soda water is neutral. (a) False (b) True
40. 40.🔍 Which is the odd one out? (a) orange juice (b) salt water (c) sugar water (d) plain water

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