Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 96 · 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: vinegar is an acid. (a) True (b) False
2. 2.🧺 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 balloon (d) a mirror
3. 3.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a balloon (c) a battery cell (d) baking soda
4. 4.⚖️ 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) the kind of balloon (c) the same bottle (d) the amount of vinegar
5. 5.🫧 Is plain water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
6. 6.True or false: detergent water is neutral. (a) True (b) False
7. 7.🔍 Which is the odd one out? (a) detergent water (b) soap solution (c) baking soda water (d) salt water
8. 8.True or false: a funnel or spoon is needed for the fizzy balloon. (a) True (b) False
9. 9.True or false: vinegar is not needed for the fizzy balloon. (a) False (b) True
10. 10.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) there is no change (b) it grows bigger (c) it turns blue (d) it shrinks
11. 11.📘 Is the fizzing a sign that a new substance is made? (a) yes, a new gas forms (b) it is only dissolving (c) it is only melting (d) no, nothing changes
12. 12.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
13. 13.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) add baking soda (c) rub it hard (d) rinse with clean water
14. 14.True or false: lemon juice is a base. (a) False (b) True
15. 15.🔍 Which is the odd one out? (a) baking soda water (b) sugar water (c) soap solution (d) detergent water
16. 16.⚖️ 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
17. 17.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
18. 18.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) carbon dioxide (b) hydrogen (c) helium (d) oxygen
19. 19.🫧 Which of these is neutral? (a) curd (b) lemon juice (c) detergent water (d) salt water
20. 20.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) a balloon (c) an empty bottle (d) sugar
21. 21.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
22. 22.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they freeze (b) they float apart (c) they become magnets (d) they react
23. 23.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a funnel or spoon (c) a tray for spills (d) a magnet
24. 24.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we keep it the same (b) we measure it (c) we change it
25. 25.True or false: a seed is not needed for the fizzy balloon. (a) False (b) True
26. 26.🛟 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
27. 27.🫧 Is soap solution an acid, a base or neutral? (a) a base (b) neutral (c) an acid
28. 28.🔍 Which is the odd one out? (a) plain water (b) sugar water (c) salt water (d) curd
29. 29.True or false: baking soda water is an acid. (a) False (b) True
30. 30.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) spoons of baking soda (b) the kind of balloon (c) size of the balloon
31. 31.True or false: salt water is neutral. (a) False (b) True
32. 32.🫧 Is vinegar an acid, a base or neutral? (a) a base (b) neutral (c) an acid
33. 33.🫧 Is tamarind water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
34. 34.🫧 Which of these is an acid? (a) soap solution (b) tamarind water (c) plain water (d) baking soda water
35. 35.🫧 Is detergent water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
36. 36.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we change it (b) we keep it the same (c) we measure it
37. 37.🫧 Which of these is neutral? (a) baking soda water (b) lemon juice (c) sugar water (d) soap solution
38. 38.True or false: a mirror is needed for the fizzy balloon. (a) False (b) True
39. 39.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a magnet (c) a seed (d) a balloon
40. 40.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) a funnel or spoon (c) a seed (d) baking soda

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