Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 565 · 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? Which of these is kept the same? (a) the kind of balloon (b) size of the balloon (c) spoons of baking soda
2. 2.🫧 Which of these is a base? (a) plain water (b) curd (c) baking soda water (d) sugar water
3. 3.⚖️ 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 same bottle (c) the kind of balloon (d) spoons of baking soda
4. 4.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) keep it away from eyes (c) seal it in a glass jar (d) put it in your mouth
5. 5.True or false: vinegar is needed for the fizzy balloon. (a) False (b) True
6. 6.🔮 Predict: you use plain water instead of vinegar. What happens? (a) the balloon bursts (b) very little fizzing (c) a huge eruption (d) it turns to honey
7. 7.True or false: detergent water is a base. (a) False (b) True
8. 8.True or false: orange juice is an acid. (a) True (b) False
9. 9.True or false: a magnet is needed for the fizzy balloon. (a) True (b) False
10. 10.🫧 Which of these is neutral? (a) sugar water (b) soap solution (c) tamarind water (d) curd
11. 11.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
12. 12.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a battery cell (c) a magnet (d) vinegar
13. 13.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) it grows bigger (c) it turns blue (d) there is no change
14. 14.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we keep it the same (b) we change it (c) we measure it
15. 15.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) vinegar (c) a battery cell (d) a tray for spills
16. 16.🫧 Which of these is an acid? (a) soap solution (b) baking soda water (c) lemon juice (d) salt water
17. 17.🫧 Is sugar water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
18. 18.True or false: baking soda is needed for the fizzy balloon. (a) False (b) True
19. 19.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the kind of balloon (b) size of the balloon (c) spoons of baking soda (d) the same bottle
20. 20.🫧 Which of these is an acid? (a) sugar water (b) tamarind water (c) plain water (d) soap solution
21. 21.🫧 Which of these is an acid? (a) baking soda water (b) soap solution (c) orange juice (d) detergent water
22. 22.⚖️ 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
23. 23.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) carbon dioxide (b) helium (c) oxygen (d) hydrogen
24. 24.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) rinse with clean water (c) rub it hard (d) add baking soda
25. 25.🔍 Which is the odd one out? (a) plain water (b) sugar water (c) salt water (d) baking soda water
26. 26.🫧 Is lemon juice an acid, a base or neutral? (a) a base (b) an acid (c) neutral
27. 27.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) an empty bottle (c) a mirror (d) a balloon
28. 28.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is the one thing we change. (a) False (b) True
29. 29.🧺 Which of these is needed for the fizzy balloon? (a) a balloon (b) a comb (c) a magnet (d) sugar
30. 30.True or false: vinegar is a base. (a) False (b) True
31. 31.True or false: soap solution is neutral. (a) False (b) True
32. 32.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we change it (b) we keep it the same (c) we measure it
33. 33.True or false: soap solution is an acid. (a) True (b) False
34. 34.True or false: plain water is neutral. (a) True (b) False
35. 35.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is kept the same. (a) True (b) False
36. 36.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is what we measure. (a) False (b) True
37. 37.🎈 Why does the balloon blow up? (a) the bottle shrinks (b) gas is made inside (c) vinegar is hot (d) outside air gets in
38. 38.⚖️ 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) True (b) False
39. 39.🔍 Which is the odd one out? (a) baking soda water (b) soap solution (c) detergent water (d) sugar water
40. 40.🫧 What do you see when baking soda meets vinegar? (a) lots of fizzy bubbles (b) nothing at all (c) it glows in the dark (d) it turns to ice

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