Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 549 · 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.True or false: soap solution is a base. (a) False (b) True
2. 2.🫧 Which of these is an acid? (a) soap solution (b) sugar water (c) orange juice (d) baking soda water
3. 3.🫧 Which of these is an acid? (a) sugar water (b) vinegar (c) salt water (d) baking soda water
4. 4.🧺 Which of these is not needed for the fizzy balloon? (a) sugar (b) a tray for spills (c) a balloon (d) baking soda
5. 5.⚖️ 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 same bottle (c) size of the balloon (d) spoons of baking soda
6. 6.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
7. 7.🎈 Why does the balloon blow up? (a) the bottle shrinks (b) gas is made inside (c) outside air gets in (d) vinegar is hot
8. 8.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it grows bigger (b) there is no change (c) it shrinks (d) it turns blue
9. 9.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we measure it (b) we keep it the same (c) we change it
10. 10.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is the one thing we change. (a) True (b) False
11. 11.🫧 Is curd an acid, a base or neutral? (a) neutral (b) an acid (c) a base
12. 12.🫧 Which of these is an acid? (a) soap solution (b) baking soda water (c) lemon juice (d) sugar water
13. 13.🔮 The fizzing stops after a while. Why? (a) the balloon got cold (b) an ingredient ran out (c) the gas froze (d) the bottle got tired
14. 14.True or false: a balloon is not needed for the fizzy balloon. (a) True (b) False
15. 15.🫧 Which of these is a base? (a) baking soda water (b) tamarind water (c) curd (d) vinegar
16. 16.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) it glows in the dark (c) lots of fizzy bubbles (d) it turns to ice
17. 17.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
18. 18.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) a tray for spills (c) vinegar (d) a seed
19. 19.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) baking soda (c) a magnet (d) an empty bottle
20. 20.⚖️ 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) spoons of baking soda (c) the kind of balloon (d) the amount of vinegar
21. 21.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) seal it in a glass jar (c) shake it near your face (d) keep it away from eyes
22. 22.⚖️ 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 measure it (c) we keep it the same
23. 23.True or false: plain water is neutral. (a) True (b) False
24. 24.🫧 Which of these is an acid? (a) plain water (b) baking soda water (c) sugar water (d) curd
25. 25.🫧 Which of these is a base? (a) soap solution (b) vinegar (c) curd (d) orange juice
26. 26.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is what we measure. (a) True (b) False
27. 27.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a funnel or spoon (c) a tray for spills (d) sugar
28. 28.🔍 Which is the odd one out? (a) plain water (b) salt water (c) soap solution (d) sugar water
29. 29.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a seed (b) vinegar (c) an empty bottle (d) a balloon
30. 30.🔍 Which is the odd one out? (a) sugar water (b) tamarind water (c) lemon juice (d) vinegar
31. 31.🧺 Do we need a magnet for the fizzy balloon? (a) needed (b) not needed
32. 32.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) baking soda (c) a tray for spills (d) a magnet
33. 33.True or false: curd is an acid. (a) True (b) False
34. 34.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) rinse with clean water (c) add baking soda (d) rub it hard
35. 35.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we measure it (b) we keep it the same (c) we change it
36. 36.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) hydrogen (c) helium (d) carbon dioxide
37. 37.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
38. 38.⚖️ 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) True (b) False
39. 39.True or false: vinegar is a base. (a) True (b) False
40. 40.True or false: detergent water is an acid. (a) False (b) True

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