Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 132 · 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.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) there is no change (b) it shrinks (c) it grows bigger (d) it turns blue
2. 2.🫧 Is detergent water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
3. 3.True or false: sugar is needed for the fizzy balloon. (a) True (b) False
4. 4.🧺 Which of these is not needed for the fizzy balloon? (a) a battery cell (b) a funnel or spoon (c) a balloon (d) a tray for spills
5. 5.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) a seed (c) a funnel or spoon (d) baking soda
6. 6.🫧 What do you see when baking soda meets vinegar? (a) it glows in the dark (b) it turns to ice (c) nothing at all (d) lots of fizzy bubbles
7. 7.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a mirror (b) a tray for spills (c) a balloon (d) vinegar
8. 8.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) seal it in a glass jar (c) keep it away from eyes (d) shake it near your face
9. 9.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) ignore it (c) add baking soda (d) rinse with clean water
10. 10.True or false: a funnel or spoon is needed for the fizzy balloon. (a) False (b) True
11. 11.🧺 Do we need a battery cell for the fizzy balloon? (a) needed (b) not needed
12. 12.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a comb (c) baking soda (d) a funnel or spoon
13. 13.True or false: soap solution is a base. (a) False (b) True
14. 14.🧺 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
15. 15.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
16. 16.🧺 Which of these is needed for the fizzy balloon? (a) baking soda (b) a battery cell (c) a comb (d) a magnet
17. 17.🔍 Which is the odd one out? (a) sugar water (b) plain water (c) salt water (d) soap solution
18. 18.True or false: a balloon is needed for the fizzy balloon. (a) False (b) True
19. 19.🫧 Which of these is an acid? (a) baking soda water (b) soap solution (c) lemon juice (d) salt water
20. 20.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we change it (b) we keep it the same (c) we measure it
21. 21.🫧 Which of these is a base? (a) baking soda water (b) plain water (c) sugar water (d) tamarind water
22. 22.🫧 Which of these is an acid? (a) soap solution (b) plain water (c) curd (d) detergent water
23. 23.🫧 Is baking soda water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
24. 24.True or false: lemon juice is a base. (a) True (b) False
25. 25.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) it turns to honey (c) the balloon bursts (d) very little fizzing
26. 26.True or false: tamarind water is an acid. (a) False (b) True
27. 27.🔍 Which is the odd one out? (a) baking soda water (b) vinegar (c) detergent water (d) soap solution
28. 28.🫧 Which of these is neutral? (a) detergent water (b) soap solution (c) lemon juice (d) plain water
29. 29.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we keep it the same (b) we measure it (c) we change it
30. 30.🫧 Is lemon juice an acid, a base or neutral? (a) a base (b) an acid (c) neutral
31. 31.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) helium (b) carbon dioxide (c) hydrogen (d) oxygen
32. 32.🔍 Which is the odd one out? (a) lemon juice (b) baking soda water (c) soap solution (d) detergent water
33. 33.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we measure it (b) we change it (c) we keep it the same
34. 34.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the kind of balloon (b) spoons of baking soda (c) the same bottle (d) size of the balloon
35. 35.⚖️ 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
36. 36.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a tray for spills (c) sugar (d) a comb
37. 37.⚖️ 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
38. 38.🔮 The fizzing stops after a while. Why? (a) the gas froze (b) an ingredient ran out (c) the bottle got tired (d) the balloon got cold
39. 39.True or false: a comb is needed for the fizzy balloon. (a) True (b) False
40. 40.📘 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

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