Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 996 · 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.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) very little fizzing (c) the balloon bursts (d) it turns to honey
2. 2.🔍 Which is the odd one out? (a) soap solution (b) detergent water (c) baking soda water (d) tamarind water
3. 3.True or false: sugar water is neutral. (a) False (b) True
4. 4.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) seal it in a glass jar (c) shake it near your face (d) keep it away from eyes
5. 5.⚖️ 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) the same bottle (c) the kind of balloon (d) spoons of baking soda
6. 6.True or false: baking soda water is an acid. (a) False (b) True
7. 7.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) vinegar (c) a tray for spills (d) a battery cell
8. 8.True or false: sugar water is a base. (a) False (b) True
9. 9.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a seed (b) vinegar (c) baking soda (d) an empty bottle
10. 10.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) a magnet (c) vinegar (d) a balloon
11. 11.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is what we measure. (a) False (b) True
12. 12.True or false: a battery cell is needed for the fizzy balloon. (a) True (b) False
13. 13.🔍 Which is the odd one out? (a) salt water (b) detergent water (c) soap solution (d) baking soda water
14. 14.🫧 Which of these is an acid? (a) detergent water (b) baking soda water (c) sugar water (d) orange juice
15. 15.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
16. 16.⚖️ 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
17. 17.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a magnet (c) an empty bottle (d) a funnel or spoon
18. 18.🫧 Is tamarind water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
19. 19.True or false: tamarind water is an acid. (a) False (b) True
20. 20.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
21. 21.🫧 Is orange juice an acid, a base or neutral? (a) neutral (b) an acid (c) a base
22. 22.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is kept the same. (a) True (b) False
23. 23.⚖️ 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
24. 24.🔍 Which is the odd one out? (a) soap solution (b) sugar water (c) baking soda water (d) detergent water
25. 25.🧺 Which of these is needed for the fizzy balloon? (a) a tray for spills (b) sugar (c) a comb (d) a magnet
26. 26.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) the balloon got cold (c) the gas froze (d) an ingredient ran out
27. 27.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the amount of vinegar (b) size of the balloon (c) spoons of baking soda (d) the kind of balloon
28. 28.True or false: vinegar is a base. (a) False (b) True
29. 29.🫧 Is lemon juice an acid, a base or neutral? (a) a base (b) neutral (c) an acid
30. 30.🧺 Do we need a battery cell for the fizzy balloon? (a) needed (b) not needed
31. 31.⚖️ 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
32. 32.🫧 Which of these is a base? (a) tamarind water (b) salt water (c) detergent water (d) lemon juice
33. 33.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) an empty bottle (c) a comb (d) baking soda
34. 34.🫧 Is salt water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
35. 35.🫧 Is soap solution an acid, a base or neutral? (a) a base (b) an acid (c) neutral
36. 36.⚖️ 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 change it (c) we keep it the same
37. 37.🫧 What do you see when baking soda meets vinegar? (a) it glows in the dark (b) nothing at all (c) lots of fizzy bubbles (d) it turns to ice
38. 38.🔍 Which is the odd one out? (a) orange juice (b) curd (c) vinegar (d) plain water
39. 39.True or false: vinegar is an acid. (a) False (b) True
40. 40.⚖️ 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

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