Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 323 · 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.🧺 Do we need a mirror for the fizzy balloon? (a) needed (b) not needed
2. 2.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a funnel or spoon (c) baking soda (d) a magnet
3. 3.🔍 Which is the odd one out? (a) tamarind water (b) sugar water (c) plain water (d) salt water
4. 4.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) vinegar (c) a magnet (d) a battery cell
5. 5.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) add baking soda (c) rinse with clean water (d) rub it hard
6. 6.🔍 Which is the odd one out? (a) salt water (b) plain water (c) vinegar (d) sugar water
7. 7.📘 Is the fizzing a sign that a new substance is made? (a) it is only melting (b) it is only dissolving (c) no, nothing changes (d) yes, a new gas forms
8. 8.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they freeze (b) they float apart (c) they become magnets (d) they react
9. 9.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
10. 10.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a seed (c) an empty bottle (d) sugar
11. 11.🫧 Is tamarind water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
12. 12.⚖️ 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
13. 13.🛟 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
14. 14.True or false: a tray for spills is not needed for the fizzy balloon. (a) True (b) False
15. 15.🔮 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
16. 16.🔍 Which is the odd one out? (a) orange juice (b) vinegar (c) curd (d) detergent water
17. 17.🧺 Which of these is not needed for the fizzy balloon? (a) a seed (b) a tray for spills (c) an empty bottle (d) a balloon
18. 18.🫧 Is plain water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
19. 19.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) vinegar (c) a funnel or spoon (d) sugar
20. 20.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
21. 21.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a magnet (c) a tray for spills (d) a comb
22. 22.⚖️ 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
23. 23.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) hydrogen (b) carbon dioxide (c) oxygen (d) helium
24. 24.🫧 Which of these is neutral? (a) plain water (b) detergent water (c) tamarind water (d) curd
25. 25.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a mirror (b) baking soda (c) a balloon (d) a tray for spills
26. 26.🫧 Which of these is an acid? (a) detergent water (b) soap solution (c) salt water (d) curd
27. 27.🫧 Is salt water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
28. 28.🫧 Is baking soda water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
29. 29.⚖️ 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 same bottle
30. 30.🔮 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
31. 31.⚖️ 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
32. 32.True or false: vinegar is not needed for the fizzy balloon. (a) True (b) False
33. 33.🫧 What do you see when baking soda meets vinegar? (a) lots of fizzy bubbles (b) nothing at all (c) it glows in the dark (d) it turns to ice
34. 34.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) a huge eruption (c) the balloon bursts (d) very little fizzing
35. 35.🫧 Which of these is a base? (a) lemon juice (b) soap solution (c) salt water (d) sugar water
36. 36.🔍 Which is the odd one out? (a) soap solution (b) baking soda water (c) sugar water (d) detergent water
37. 37.⚖️ 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
38. 38.⚖️ 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
39. 39.🫧 Which of these is an acid? (a) detergent water (b) sugar water (c) soap solution (d) orange juice
40. 40.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) vinegar (c) a battery cell (d) an empty bottle

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