Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 296 · 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.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a mirror (c) vinegar (d) an empty bottle
2. 2.🔮 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
3. 3.🧺 Do we need a seed for the fizzy balloon? (a) needed (b) not needed
4. 4.🫧 Which of these is an acid? (a) plain water (b) detergent water (c) sugar water (d) curd
5. 5.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) True (b) False
6. 6.True or false: curd is neutral. (a) True (b) False
7. 7.🫧 Which of these is a base? (a) lemon juice (b) sugar water (c) vinegar (d) baking soda water
8. 8.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) helium (c) carbon dioxide (d) hydrogen
9. 9.True or false: soap solution is a base. (a) False (b) True
10. 10.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) shake it near your face (c) put it in your mouth (d) keep it away from eyes
11. 11.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a magnet (c) a balloon (d) a tray for spills
12. 12.🔍 Which is the odd one out? (a) vinegar (b) lemon juice (c) salt water (d) orange juice
13. 13.True or false: a magnet is needed for the fizzy balloon. (a) True (b) False
14. 14.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the amount of vinegar (b) spoons of baking soda (c) size of the balloon
15. 15.True or false: a funnel or spoon is needed for the fizzy balloon. (a) True (b) False
16. 16.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a battery cell (c) a funnel or spoon (d) a balloon
17. 17.🎈 Why does the balloon blow up? (a) outside air gets in (b) gas is made inside (c) the bottle shrinks (d) vinegar is hot
18. 18.True or false: a tray for spills is not needed for the fizzy balloon. (a) False (b) True
19. 19.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) it glows in the dark (c) it turns to ice (d) lots of fizzy bubbles
20. 20.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a battery cell (c) a funnel or spoon (d) a mirror
21. 21.🔮 Predict: you use plain water instead of vinegar. What happens? (a) very little fizzing (b) it turns to honey (c) a huge eruption (d) the balloon bursts
22. 22.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) rub it hard (c) ignore it (d) rinse with clean water
23. 23.🔍 Which is the odd one out? (a) detergent water (b) soap solution (c) baking soda water (d) curd
24. 24.🫧 Is baking soda water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
25. 25.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) size of the balloon (b) the kind of balloon (c) the amount of vinegar (d) spoons of baking soda
26. 26.🧺 Do we need a balloon for the fizzy balloon? (a) needed (b) not needed
27. 27.⚖️ 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
28. 28.🔍 Which is the odd one out? (a) lemon juice (b) curd (c) vinegar (d) plain water
29. 29.🧺 Do we need a mirror for the fizzy balloon? (a) needed (b) not needed
30. 30.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a tray for spills (c) vinegar (d) a battery cell
31. 31.🫧 Which of these is neutral? (a) tamarind water (b) soap solution (c) salt water (d) curd
32. 32.🔍 Which is the odd one out? (a) sugar water (b) soap solution (c) salt water (d) plain water
33. 33.True or false: a magnet is not needed for the fizzy balloon. (a) True (b) False
34. 34.⚖️ 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
35. 35.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is the one thing we change. (a) False (b) True
36. 36.🔍 Which is the odd one out? (a) baking soda water (b) soap solution (c) detergent water (d) orange juice
37. 37.⚖️ 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
38. 38.True or false: a seed is not needed for the fizzy balloon. (a) True (b) False
39. 39.🔮 The fizzing stops after a while. Why? (a) the gas froze (b) the balloon got cold (c) an ingredient ran out (d) the bottle got tired
40. 40.🔍 Which is the odd one out? (a) vinegar (b) baking soda water (c) curd (d) orange juice

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