Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 684 · 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 is the odd one out? (a) orange juice (b) curd (c) vinegar (d) baking soda water
2. 2.🔍 Which is the odd one out? (a) plain water (b) salt water (c) tamarind water (d) sugar water
3. 3.🧺 Do we need a magnet for the fizzy balloon? (a) needed (b) not needed
4. 4.🫧 Is soap solution an acid, a base or neutral? (a) a base (b) an acid (c) neutral
5. 5.True or false: baking soda is not needed for the fizzy balloon. (a) True (b) False
6. 6.🧺 Do we need a balloon for the fizzy balloon? (a) needed (b) not needed
7. 7.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is kept the same. (a) True (b) False
8. 8.⚖️ 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
9. 9.🫧 Is lemon juice an acid, a base or neutral? (a) a base (b) an acid (c) neutral
10. 10.True or false: a funnel or spoon is needed for the fizzy balloon. (a) False (b) True
11. 11.🫧 Which of these is a base? (a) sugar water (b) salt water (c) soap solution (d) plain water
12. 12.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) keep it away from eyes (c) shake it near your face (d) put it in your mouth
13. 13.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a tray for spills (c) a funnel or spoon (d) a magnet
14. 14.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
15. 15.🧺 Which of these is not needed for the fizzy balloon? (a) a seed (b) an empty bottle (c) a balloon (d) a funnel or spoon
16. 16.🧺 Do we need a comb for the fizzy balloon? (a) not needed (b) needed
17. 17.🫧 Which of these is an acid? (a) salt water (b) plain water (c) orange juice (d) soap solution
18. 18.True or false: a comb is needed for the fizzy balloon. (a) False (b) True
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) the amount of vinegar (c) size of the balloon
20. 20.🧺 Do we need a tray for spills for the fizzy balloon? (a) needed (b) not needed
21. 21.📘 Is the fizzing a sign that a new substance is made? (a) no, nothing changes (b) it is only dissolving (c) yes, a new gas forms (d) it is only melting
22. 22.🫧 Is orange juice an acid, a base or neutral? (a) a base (b) an acid (c) neutral
23. 23.⚖️ 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
24. 24.🫧 Which of these is an acid? (a) salt water (b) soap solution (c) lemon juice (d) plain water
25. 25.⚖️ 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) size of the balloon (c) the amount of vinegar (d) spoons of baking soda
26. 26.True or false: vinegar is an acid. (a) True (b) False
27. 27.⚖️ 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
28. 28.True or false: orange juice is neutral. (a) True (b) False
29. 29.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) sugar (c) a balloon (d) a funnel or spoon
30. 30.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) vinegar (c) baking soda (d) a mirror
31. 31.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they float apart (b) they become magnets (c) they freeze (d) they react
32. 32.⚖️ 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
33. 33.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it turns blue (b) there is no change (c) it shrinks (d) it grows bigger
34. 34.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) a mirror (c) a funnel or spoon (d) vinegar
35. 35.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) an empty bottle (c) a seed (d) a mirror
36. 36.🫧 Is sugar water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
37. 37.🫧 Which of these is neutral? (a) curd (b) sugar water (c) orange juice (d) baking soda water
38. 38.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) vinegar (c) a seed (d) an empty bottle
39. 39.🧺 Which of these is needed for the fizzy balloon? (a) a balloon (b) a battery cell (c) a seed (d) a mirror
40. 40.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we measure it (b) we change it (c) we keep it the same

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