Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 425 · 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 neutral? (a) sugar water (b) tamarind water (c) curd (d) vinegar
2. 2.True or false: baking soda water is neutral. (a) True (b) False
3. 3.⚖️ 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
4. 4.📘 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
5. 5.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a tray for spills (c) a comb (d) vinegar
6. 6.🔮 The fizzing stops after a while. Why? (a) the balloon got cold (b) an ingredient ran out (c) the gas froze (d) the bottle got tired
7. 7.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a seed (c) vinegar (d) baking soda
8. 8.True or false: a seed is needed for the fizzy balloon. (a) True (b) False
9. 9.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) it turns blue (c) it grows bigger (d) there is no change
10. 10.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they freeze (b) they react (c) they become magnets (d) they float apart
11. 11.🔍 Which is the odd one out? (a) lemon juice (b) plain water (c) salt water (d) sugar water
12. 12.⚖️ 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 keep it the same (c) we change it
13. 13.🔍 Which is the odd one out? (a) salt water (b) plain water (c) vinegar (d) sugar water
14. 14.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
15. 15.🫧 Is vinegar an acid, a base or neutral? (a) an acid (b) neutral (c) a base
16. 16.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) a comb (c) a balloon (d) a funnel or spoon
17. 17.🔍 Which is the odd one out? (a) salt water (b) orange juice (c) vinegar (d) lemon juice
18. 18.🧺 Which of these is not needed for the fizzy balloon? (a) a magnet (b) baking soda (c) a tray for spills (d) a funnel or spoon
19. 19.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) rub it hard (c) rinse with clean water (d) add baking soda
20. 20.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a balloon (c) vinegar (d) a battery cell
21. 21.🫧 Which of these is a base? (a) curd (b) vinegar (c) tamarind water (d) baking soda water
22. 22.🧺 Which of these is needed for the fizzy balloon? (a) an empty bottle (b) a seed (c) a comb (d) a magnet
23. 23.🔍 Which is the odd one out? (a) soap solution (b) tamarind water (c) lemon juice (d) vinegar
24. 24.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a mirror (c) vinegar (d) an empty bottle
25. 25.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) vinegar (c) baking soda (d) a magnet
26. 26.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is the one thing we change. (a) True (b) False
27. 27.🛟 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
28. 28.🫧 Which of these is a base? (a) tamarind water (b) sugar water (c) soap solution (d) lemon juice
29. 29.True or false: a funnel or spoon is needed for the fizzy balloon. (a) False (b) True
30. 30.🔮 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
31. 31.🔍 Which is the odd one out? (a) soap solution (b) detergent water (c) curd (d) baking soda water
32. 32.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) needed (b) not needed
33. 33.🫧 Is soap solution an acid, a base or neutral? (a) neutral (b) a base (c) an acid
34. 34.True or false: vinegar is needed for the fizzy balloon. (a) True (b) False
35. 35.🫧 Is salt water 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? Which of these is what we measure? (a) the same bottle (b) the amount of vinegar (c) size of the balloon (d) spoons of baking soda
37. 37.True or false: a comb is needed for the fizzy balloon. (a) False (b) True
38. 38.True or false: a battery cell is needed for the fizzy balloon. (a) True (b) False
39. 39.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a magnet (c) a comb (d) baking soda
40. 40.True or false: curd is an acid. (a) True (b) False

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