Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 36 · 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) a magnet (b) a funnel or spoon (c) a tray for spills (d) vinegar
2. 2.🔍 Which is the odd one out? (a) baking soda water (b) detergent water (c) soap solution (d) plain water
3. 3.🛟 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
4. 4.🫧 Which of these is an acid? (a) vinegar (b) plain water (c) baking soda water (d) salt water
5. 5.True or false: vinegar is not needed for the fizzy balloon. (a) False (b) True
6. 6.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) hydrogen (b) helium (c) oxygen (d) carbon dioxide
7. 7.🔍 Which is the odd one out? (a) sugar water (b) vinegar (c) plain water (d) salt water
8. 8.True or false: a balloon is not needed for the fizzy balloon. (a) True (b) False
9. 9.True or false: baking soda is needed for the fizzy balloon. (a) True (b) False
10. 10.🔮 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
11. 11.🫧 Which of these is a base? (a) orange juice (b) baking soda water (c) sugar water (d) tamarind water
12. 12.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) put it in your mouth (c) keep it away from eyes (d) seal it in a glass jar
13. 13.⚖️ 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) the amount of vinegar (c) size of the balloon (d) spoons of baking soda
14. 14.True or false: vinegar is neutral. (a) True (b) False
15. 15.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a mirror (c) a magnet (d) an empty bottle
16. 16.⚖️ 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
17. 17.True or false: baking soda is not needed for the fizzy balloon. (a) True (b) False
18. 18.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
19. 19.🔮 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
20. 20.🧺 Do we need a seed for the fizzy balloon? (a) not needed (b) needed
21. 21.True or false: baking soda water is a base. (a) True (b) False
22. 22.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we keep it the same (b) we measure it (c) we change it
23. 23.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we keep it the same (b) we change it (c) we measure it
24. 24.🔍 Which is the odd one out? (a) detergent water (b) soap solution (c) baking soda water (d) tamarind water
25. 25.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a magnet (c) vinegar (d) an empty bottle
26. 26.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a balloon (c) a mirror (d) vinegar
27. 27.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) spoons of baking soda (b) size of the balloon (c) the kind of balloon
28. 28.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
29. 29.🫧 Is lemon juice an acid, a base or neutral? (a) neutral (b) a base (c) an acid
30. 30.True or false: lemon juice is neutral. (a) False (b) True
31. 31.True or false: a mirror is needed for the fizzy balloon. (a) True (b) False
32. 32.🫧 Which of these is a base? (a) sugar water (b) tamarind water (c) vinegar (d) detergent water
33. 33.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a magnet (c) a balloon (d) a battery cell
34. 34.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the amount of vinegar (b) the kind of balloon (c) size of the balloon (d) the same bottle
35. 35.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a mirror (c) a funnel or spoon (d) a comb
36. 36.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a comb (b) vinegar (c) baking soda (d) an empty bottle
37. 37.True or false: a comb is needed for the fizzy balloon. (a) False (b) True
38. 38.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) vinegar (c) a magnet (d) sugar
39. 39.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they freeze (b) they become magnets (c) they react (d) they float apart
40. 40.🧺 Do we need vinegar for the fizzy balloon? (a) needed (b) not needed

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