Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 335 · 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.True or false: an empty bottle is needed for the fizzy balloon. (a) True (b) False
2. 2.⚖️ 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
3. 3.True or false: a mirror is needed for the fizzy balloon. (a) True (b) False
4. 4.True or false: vinegar is not needed for the fizzy balloon. (a) False (b) True
5. 5.🫧 Is detergent water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
6. 6.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
7. 7.⚖️ 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 amount of vinegar (c) spoons of baking soda
8. 8.🫧 Which of these is a base? (a) orange juice (b) baking soda water (c) lemon juice (d) vinegar
9. 9.📘 Is the fizzing a sign that a new substance is made? (a) it is only melting (b) no, nothing changes (c) it is only dissolving (d) yes, a new gas forms
10. 10.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a battery cell (c) an empty bottle (d) baking soda
11. 11.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is the one thing we change. (a) True (b) False
12. 12.🫧 Is soap solution an acid, a base or neutral? (a) an acid (b) a base (c) neutral
13. 13.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (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? What do we do with “the kind of balloon”? (a) we change it (b) we keep it the same (c) we measure it
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 same bottle (c) spoons of baking soda (d) the kind of balloon
16. 16.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is what we measure. (a) False (b) True
17. 17.🛟 What should you do if vinegar splashes in your eye? (a) rinse with clean water (b) ignore it (c) rub it hard (d) add baking soda
18. 18.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) lots of fizzy bubbles (c) it turns to ice (d) it glows in the dark
19. 19.🛟 Which safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) shake it near your face (c) put it in your mouth (d) seal it in a glass jar
20. 20.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is kept the same. (a) False (b) True
21. 21.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a battery cell (c) baking soda (d) a magnet
22. 22.⚖️ 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 change it (c) we measure it
23. 23.True or false: a tray for spills is needed for the fizzy balloon. (a) True (b) False
24. 24.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) spoons of baking soda (b) the kind of balloon (c) size of the balloon
25. 25.🫧 Is vinegar an acid, a base or neutral? (a) a base (b) an acid (c) neutral
26. 26.True or false: plain water is a base. (a) True (b) False
27. 27.🫧 Which of these is a base? (a) orange juice (b) soap solution (c) curd (d) vinegar
28. 28.🫧 Is lemon juice an acid, a base or neutral? (a) neutral (b) an acid (c) a base
29. 29.⚖️ 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 measure it (c) we change it
30. 30.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) an empty bottle (c) vinegar (d) sugar
31. 31.🧺 Do we need a seed for the fizzy balloon? (a) needed (b) not needed
32. 32.🔍 Which is the odd one out? (a) tamarind water (b) orange juice (c) plain water (d) vinegar
33. 33.🧺 Do we need a balloon for the fizzy balloon? (a) needed (b) not needed
34. 34.🫧 Which of these is an acid? (a) baking soda water (b) plain water (c) sugar water (d) vinegar
35. 35.🫧 Is curd an acid, a base or neutral? (a) an acid (b) a base (c) neutral
36. 36.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) the balloon bursts (c) very little fizzing (d) a huge eruption
37. 37.True or false: sugar water is an acid. (a) False (b) True
38. 38.True or false: a comb is needed for the fizzy balloon. (a) True (b) False
39. 39.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
40. 40.🫧 Is orange juice an acid, a base or neutral? (a) a base (b) neutral (c) an acid

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