Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 947 · 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 not needed for the fizzy balloon? (a) vinegar (b) a battery cell (c) baking soda (d) a funnel or spoon
2. 2.🛟 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
3. 3.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a tray for spills (c) a balloon (d) a battery cell
4. 4.🫧 Is curd an acid, a base or neutral? (a) a base (b) neutral (c) an acid
5. 5.⚖️ 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 keep it the same (c) we change it
6. 6.🫧 Is baking soda water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
7. 7.⚖️ 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 keep it the same (c) we change it
8. 8.🫧 Is lemon juice an acid, a base or neutral? (a) neutral (b) an acid (c) a base
9. 9.🫧 Which of these is a base? (a) lemon juice (b) salt water (c) baking soda water (d) sugar water
10. 10.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) spoons of baking soda (b) the amount of vinegar (c) the same bottle (d) size of the balloon
11. 11.True or false: vinegar is an acid. (a) False (b) True
12. 12.⚖️ 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
13. 13.🔍 Which is the odd one out? (a) salt water (b) sugar water (c) vinegar (d) plain water
14. 14.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
15. 15.🎈 Why does the balloon blow up? (a) outside air gets in (b) the bottle shrinks (c) vinegar is hot (d) gas is made inside
16. 16.🛟 Which safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) seal it in a glass jar (c) put it in your mouth (d) shake it near your face
17. 17.🔮 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
18. 18.🫧 Which of these is an acid? (a) soap solution (b) baking soda water (c) sugar water (d) tamarind water
19. 19.🫧 Which of these is a base? (a) curd (b) soap solution (c) vinegar (d) lemon juice
20. 20.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a battery cell (c) a comb (d) a balloon
21. 21.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they become magnets (b) they freeze (c) they float apart (d) they react
22. 22.📘 Is the fizzing a sign that a new substance is made? (a) yes, a new gas forms (b) no, nothing changes (c) it is only dissolving (d) it is only melting
23. 23.⚖️ 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) spoons of baking soda (c) the kind of balloon (d) size of the balloon
24. 24.🔮 The fizzing stops after a while. Why? (a) the gas froze (b) an ingredient ran out (c) the balloon got cold (d) the bottle got tired
25. 25.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we change it (b) we measure it (c) we keep it the same
26. 26.🧺 Do we need a battery cell for the fizzy balloon? (a) not needed (b) needed
27. 27.🔍 Which is the odd one out? (a) plain water (b) sugar water (c) detergent water (d) salt water
28. 28.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is kept the same. (a) False (b) True
29. 29.🔍 Which is the odd one out? (a) vinegar (b) orange juice (c) plain water (d) curd
30. 30.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) a magnet (c) baking soda (d) a tray for spills
31. 31.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) there is no change (b) it shrinks (c) it turns blue (d) it grows bigger
32. 32.🫧 Is salt water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
33. 33.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) baking soda (c) a seed (d) an empty bottle
34. 34.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a tray for spills (c) a comb (d) baking soda
35. 35.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) an empty bottle (c) vinegar (d) a seed
36. 36.True or false: sugar is needed for the fizzy balloon. (a) False (b) True
37. 37.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we change it (b) we measure it (c) we keep it the same
38. 38.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
39. 39.🧺 Do we need a magnet for the fizzy balloon? (a) needed (b) not needed
40. 40.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) a balloon (c) vinegar (d) sugar

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