Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 395 · 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.🫧 Is orange juice an acid, a base or neutral? (a) a base (b) an acid (c) neutral
2. 2.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is kept the same. (a) True (b) False
3. 3.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a magnet (c) a mirror (d) a tray for spills
4. 4.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a battery cell (c) a comb (d) vinegar
5. 5.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the same bottle (b) spoons of baking soda (c) size of the balloon
6. 6.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) hydrogen (b) carbon dioxide (c) helium (d) oxygen
7. 7.⚖️ 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
8. 8.🧺 Do we need a balloon for the fizzy balloon? (a) needed (b) not needed
9. 9.True or false: a mirror is needed for the fizzy balloon. (a) False (b) True
10. 10.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) vinegar (c) a funnel or spoon (d) a battery cell
11. 11.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is what we measure. (a) True (b) False
12. 12.⚖️ 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
13. 13.🫧 Which of these is a base? (a) salt water (b) baking soda water (c) plain water (d) curd
14. 14.🎈 Why does the balloon blow up? (a) vinegar is hot (b) the bottle shrinks (c) outside air gets in (d) gas is made inside
15. 15.⚖️ 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) the kind of balloon (d) size of the balloon
16. 16.🔍 Which is the odd one out? (a) salt water (b) plain water (c) sugar water (d) soap solution
17. 17.🫧 Is lemon juice an acid, a base or neutral? (a) an acid (b) a base (c) neutral
18. 18.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) an empty bottle (c) sugar (d) a mirror
19. 19.🫧 What do you see when baking soda meets vinegar? (a) it glows in the dark (b) nothing at all (c) it turns to ice (d) lots of fizzy bubbles
20. 20.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a tray for spills (c) a balloon (d) a magnet
21. 21.🫧 Is tamarind water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
22. 22.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) an empty bottle (c) a mirror (d) a tray for spills
23. 23.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) keep it away from eyes (c) seal it in a glass jar (d) shake it near your face
24. 24.True or false: a balloon is needed for the fizzy balloon. (a) True (b) False
25. 25.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) an ingredient ran out (c) the gas froze (d) the balloon got cold
26. 26.True or false: a balloon is not needed for the fizzy balloon. (a) True (b) False
27. 27.🫧 Which of these is an acid? (a) baking soda water (b) tamarind water (c) soap solution (d) sugar water
28. 28.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it turns blue (b) it shrinks (c) it grows bigger (d) there is no change
29. 29.🫧 Is vinegar an acid, a base or neutral? (a) neutral (b) a base (c) an acid
30. 30.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
31. 31.True or false: curd is an acid. (a) True (b) False
32. 32.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) a funnel or spoon (c) sugar (d) a tray for spills
33. 33.🫧 Which of these is a base? (a) lemon juice (b) detergent water (c) salt water (d) tamarind water
34. 34.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is what we measure. (a) False (b) True
35. 35.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
36. 36.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they freeze (b) they become magnets (c) they float apart (d) they react
37. 37.🫧 Which of these is a base? (a) sugar water (b) soap solution (c) lemon juice (d) curd
38. 38.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) baking soda (c) a funnel or spoon (d) a mirror
39. 39.🔍 Which is the odd one out? (a) detergent water (b) plain water (c) salt water (d) sugar water
40. 40.True or false: vinegar is needed for the fizzy balloon. (a) True (b) False

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