Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 448 · 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) hydrogen (b) oxygen (c) helium (d) carbon dioxide
2. 2.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a tray for spills (c) sugar (d) a magnet
3. 3.⚖️ 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) size of the balloon (c) the same bottle (d) the amount of vinegar
4. 4.🧺 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) a comb (d) vinegar
5. 5.⚖️ 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 measure it (c) we change it
6. 6.🫧 Which of these is a base? (a) plain water (b) tamarind water (c) orange juice (d) baking soda water
7. 7.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is the one thing we change. (a) False (b) True
8. 8.True or false: a battery cell is needed for the fizzy balloon. (a) False (b) True
9. 9.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) needed (b) not needed
10. 10.True or false: a magnet is needed for the fizzy balloon. (a) False (b) True
11. 11.🔮 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
12. 12.⚖️ 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
13. 13.🎈 Why does the balloon blow up? (a) the bottle shrinks (b) vinegar is hot (c) outside air gets in (d) gas is made inside
14. 14.True or false: baking soda is not needed for the fizzy balloon. (a) True (b) False
15. 15.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they freeze (b) they react (c) they float apart (d) they become magnets
16. 16.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we change it (b) we measure it (c) we keep it the same
17. 17.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) lots of fizzy bubbles (c) it turns to ice (d) it glows in the dark
18. 18.🫧 Is orange juice an acid, a base or neutral? (a) neutral (b) a base (c) an acid
19. 19.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is what we measure. (a) True (b) False
20. 20.⚖️ 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
21. 21.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a magnet (c) sugar (d) vinegar
22. 22.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is kept the same. (a) True (b) False
23. 23.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) add baking soda (c) rinse with clean water (d) ignore it
24. 24.True or false: a balloon is not needed for the fizzy balloon. (a) False (b) True
25. 25.True or false: sugar water is an acid. (a) True (b) False
26. 26.🔍 Which is the odd one out? (a) salt water (b) detergent water (c) baking soda water (d) soap solution
27. 27.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) vinegar (c) a balloon (d) sugar
28. 28.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) there is no change (c) it grows bigger (d) it turns blue
29. 29.True or false: orange juice is neutral. (a) True (b) False
30. 30.🫧 Is detergent water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
31. 31.True or false: detergent water is a base. (a) False (b) True
32. 32.True or false: baking soda is needed for the fizzy balloon. (a) True (b) False
33. 33.🫧 Is soap solution an acid, a base or neutral? (a) a base (b) neutral (c) an acid
34. 34.True or false: detergent water is neutral. (a) True (b) False
35. 35.🫧 Which of these is an acid? (a) baking soda water (b) salt water (c) vinegar (d) detergent water
36. 36.🔍 Which is the odd one out? (a) lemon juice (b) tamarind water (c) soap solution (d) curd
37. 37.🧺 Do we need a comb for the fizzy balloon? (a) not needed (b) needed
38. 38.🔍 Which is the odd one out? (a) vinegar (b) lemon juice (c) sugar water (d) tamarind water
39. 39.🛟 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
40. 40.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) spoons of baking soda (b) the same bottle (c) the kind of balloon (d) size of the balloon

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