Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 649 · 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.⚖️ 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
2. 2.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) spoons of baking soda (b) the same bottle (c) the amount of vinegar (d) size of the balloon
3. 3.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
4. 4.🫧 Which of these is an acid? (a) orange juice (b) salt water (c) plain water (d) baking soda water
5. 5.🔍 Which is the odd one out? (a) tamarind water (b) lemon juice (c) curd (d) sugar water
6. 6.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a mirror (c) a seed (d) baking soda
7. 7.🫧 Is vinegar an acid, a base or neutral? (a) an acid (b) a base (c) neutral
8. 8.🧺 Which of these is not needed for the fizzy balloon? (a) a comb (b) vinegar (c) a funnel or spoon (d) an empty bottle
9. 9.🫧 Is salt water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
10. 10.⚖️ 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
11. 11.True or false: a funnel or spoon is needed for the fizzy balloon. (a) False (b) True
12. 12.True or false: vinegar is needed for the fizzy balloon. (a) True (b) False
13. 13.🫧 Which of these is a base? (a) detergent water (b) salt water (c) tamarind water (d) orange juice
14. 14.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) hydrogen (c) carbon dioxide (d) helium
15. 15.🛟 What should you do if vinegar splashes in your eye? (a) rinse with clean water (b) ignore it (c) add baking soda (d) rub it hard
16. 16.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a tray for spills (c) baking soda (d) a comb
17. 17.🫧 Which of these is neutral? (a) detergent water (b) sugar water (c) vinegar (d) lemon juice
18. 18.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) size of the balloon (b) the amount of vinegar (c) the same bottle (d) the kind of balloon
19. 19.True or false: curd is neutral. (a) True (b) False
20. 20.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) an empty bottle (c) a mirror (d) a seed
21. 21.🔮 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
22. 22.True or false: salt water is neutral. (a) False (b) True
23. 23.🔍 Which is the odd one out? (a) vinegar (b) lemon juice (c) soap solution (d) orange juice
24. 24.🔍 Which is the odd one out? (a) tamarind water (b) salt water (c) plain water (d) sugar water
25. 25.🧺 Which of these is needed for the fizzy balloon? (a) a tray for spills (b) a seed (c) a comb (d) sugar
26. 26.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is what we measure. (a) True (b) False
27. 27.🫧 Which of these is neutral? (a) tamarind water (b) salt water (c) detergent water (d) vinegar
28. 28.🔍 Which is the odd one out? (a) lemon juice (b) orange juice (c) baking soda water (d) curd
29. 29.🔮 Predict: you use plain water instead of vinegar. What happens? (a) very little fizzing (b) the balloon bursts (c) a huge eruption (d) it turns to honey
30. 30.True or false: a mirror is needed for the fizzy balloon. (a) False (b) True
31. 31.🛟 Which safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) shake it near your face (c) put it in your mouth (d) seal it in a glass jar
32. 32.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) baking soda (c) vinegar (d) a battery cell
33. 33.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a magnet (c) baking soda (d) an empty bottle
34. 34.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) size of the balloon (b) the kind of balloon (c) spoons of baking soda
35. 35.🫧 What do you see when baking soda meets vinegar? (a) it turns to ice (b) nothing at all (c) it glows in the dark (d) lots of fizzy bubbles
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? True or false: the same bottle is kept the same. (a) False (b) True
38. 38.🧺 Do we need vinegar for the fizzy balloon? (a) needed (b) not needed
39. 39.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) it grows bigger (c) there is no change (d) it turns blue
40. 40.True or false: a seed is not needed for the fizzy balloon. (a) False (b) True

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