Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 29 · 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 gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) hydrogen (c) carbon dioxide (d) helium
2. 2.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) add baking soda (c) rub it hard (d) rinse with clean water
3. 3.🔮 Predict: you use plain water instead of vinegar. What happens? (a) the balloon bursts (b) a huge eruption (c) it turns to honey (d) very little fizzing
4. 4.True or false: vinegar is neutral. (a) False (b) True
5. 5.🧺 Which of these is not needed for the fizzy balloon? (a) a comb (b) a balloon (c) an empty bottle (d) baking soda
6. 6.🫧 Is soap solution an acid, a base or neutral? (a) a base (b) an acid (c) neutral
7. 7.🧺 Which of these is needed for the fizzy balloon? (a) an empty bottle (b) a magnet (c) a battery cell (d) a comb
8. 8.🫧 Which of these is a base? (a) lemon juice (b) plain water (c) soap solution (d) orange juice
9. 9.🔮 The fizzing stops after a while. Why? (a) the gas froze (b) the bottle got tired (c) an ingredient ran out (d) the balloon got cold
10. 10.⚖️ 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 amount of vinegar (c) spoons of baking soda (d) the same bottle
11. 11.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a magnet (b) an empty bottle (c) baking soda (d) a funnel or spoon
12. 12.🧺 Do we need a tray for spills for the fizzy balloon? (a) needed (b) not needed
13. 13.🧺 Which of these is not needed for the fizzy balloon? (a) sugar (b) vinegar (c) a balloon (d) a funnel or spoon
14. 14.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the amount of vinegar (b) spoons of baking soda (c) the kind of balloon (d) size of the balloon
15. 15.🫧 Which of these is neutral? (a) lemon juice (b) detergent water (c) salt water (d) vinegar
16. 16.True or false: vinegar is an acid. (a) True (b) False
17. 17.⚖️ 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 change it (c) we keep it the same
18. 18.True or false: a tray for spills is needed for the fizzy balloon. (a) True (b) False
19. 19.🫧 Is sugar water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
20. 20.True or false: lemon juice is an acid. (a) False (b) True
21. 21.True or false: a magnet is not needed for the fizzy balloon. (a) True (b) False
22. 22.⚖️ 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
23. 23.True or false: soap solution is a base. (a) False (b) True
24. 24.🔍 Which is the odd one out? (a) tamarind water (b) curd (c) lemon juice (d) plain water
25. 25.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) seal it in a glass jar (c) keep it away from eyes (d) put it in your mouth
26. 26.True or false: a balloon is not needed for the fizzy balloon. (a) False (b) True
27. 27.True or false: salt water is an acid. (a) True (b) False
28. 28.🧺 Do we need a magnet for the fizzy balloon? (a) needed (b) not needed
29. 29.True or false: tamarind water is neutral. (a) True (b) False
30. 30.🔍 Which is the odd one out? (a) orange juice (b) detergent water (c) vinegar (d) tamarind water
31. 31.🎈 Why does the balloon blow up? (a) gas is made inside (b) outside air gets in (c) the bottle shrinks (d) vinegar is hot
32. 32.🧺 Do we need a seed for the fizzy balloon? (a) needed (b) not needed
33. 33.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a tray for spills (c) a comb (d) a mirror
34. 34.🔍 Which is the odd one out? (a) lemon juice (b) baking soda water (c) tamarind water (d) vinegar
35. 35.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) vinegar (c) a comb (d) a balloon
36. 36.True or false: plain water is neutral. (a) False (b) True
37. 37.🔮 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 grows bigger (d) it shrinks
38. 38.🫧 Is curd an acid, a base or neutral? (a) neutral (b) a base (c) an acid
39. 39.True or false: a seed is needed for the fizzy balloon. (a) True (b) False
40. 40.🧺 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) sugar

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