Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 193 · 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.🧺 Which of these is needed for the fizzy balloon? (a) a balloon (b) a seed (c) a battery cell (d) sugar
2. 2.🔮 The fizzing stops after a while. Why? (a) the gas froze (b) the bottle got tired (c) the balloon got cold (d) an ingredient ran out
3. 3.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is what we measure. (a) True (b) False
4. 4.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a tray for spills (c) a funnel or spoon (d) a comb
5. 5.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a balloon (c) a mirror (d) vinegar
6. 6.🫧 Is soap solution an acid, a base or neutral? (a) a base (b) neutral (c) an acid
7. 7.🫧 Which of these is an acid? (a) detergent water (b) vinegar (c) baking soda water (d) soap solution
8. 8.📘 Is the fizzing a sign that a new substance is made? (a) yes, a new gas forms (b) it is only melting (c) it is only dissolving (d) no, nothing changes
9. 9.True or false: lemon juice is a base. (a) False (b) True
10. 10.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) ignore it (c) rinse with clean water (d) add baking soda
11. 11.🧺 Do we need a battery cell for the fizzy balloon? (a) not needed (b) needed
12. 12.🫧 Which of these is a base? (a) salt water (b) sugar water (c) lemon juice (d) detergent water
13. 13.🔍 Which is the odd one out? (a) baking soda water (b) salt water (c) plain water (d) sugar water
14. 14.🔍 Which is the odd one out? (a) salt water (b) sugar water (c) soap solution (d) plain water
15. 15.🫧 Is baking soda water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
16. 16.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) baking soda (c) a magnet (d) an empty bottle
17. 17.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is kept the same. (a) False (b) True
18. 18.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a battery cell (c) baking soda (d) vinegar
19. 19.True or false: orange juice is an acid. (a) True (b) False
20. 20.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) keep it away from eyes (c) put it in your mouth (d) shake it near your face
21. 21.True or false: an empty bottle is not needed for the fizzy balloon. (a) False (b) True
22. 22.True or false: a seed is needed for the fizzy balloon. (a) False (b) True
23. 23.🫧 Is salt water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
24. 24.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) carbon dioxide (b) oxygen (c) hydrogen (d) helium
25. 25.🫧 What do you see when baking soda meets vinegar? (a) it glows in the dark (b) it turns to ice (c) lots of fizzy bubbles (d) nothing at all
26. 26.True or false: sugar water is neutral. (a) False (b) True
27. 27.🫧 Is lemon juice an acid, a base or neutral? (a) a base (b) an acid (c) neutral
28. 28.🔍 Which is the odd one out? (a) lemon juice (b) detergent water (c) curd (d) vinegar
29. 29.⚖️ 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
30. 30.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
31. 31.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
32. 32.🫧 Which of these is an acid? (a) soap solution (b) orange juice (c) detergent water (d) baking soda water
33. 33.⚖️ 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) False (b) True
34. 34.🧺 Do we need vinegar for the fizzy balloon? (a) needed (b) not needed
35. 35.🔮 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 turns blue (d) it shrinks
36. 36.⚖️ 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) the kind of balloon (c) size of the balloon (d) spoons of baking soda
37. 37.⚖️ 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 change it (c) we measure it
38. 38.🫧 Which of these is a base? (a) soap solution (b) plain water (c) curd (d) vinegar
39. 39.True or false: baking soda is needed for the fizzy balloon. (a) True (b) False
40. 40.🫧 Which of these is neutral? (a) vinegar (b) soap solution (c) curd (d) sugar water

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