Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 852 · 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: a mirror is needed for the fizzy balloon. (a) True (b) False
2. 2.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
3. 3.🧺 Do we need vinegar for the fizzy balloon? (a) needed (b) not needed
4. 4.🛟 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
5. 5.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we change it (b) we keep it the same (c) we measure it
6. 6.True or false: vinegar is an acid. (a) False (b) True
7. 7.📘 Is the fizzing a sign that a new substance is made? (a) it is only dissolving (b) yes, a new gas forms (c) it is only melting (d) no, nothing changes
8. 8.🔍 Which is the odd one out? (a) detergent water (b) curd (c) baking soda water (d) soap solution
9. 9.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
10. 10.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) there is no change (b) it turns blue (c) it grows bigger (d) it shrinks
11. 11.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) baking soda (c) a balloon (d) a seed
12. 12.🫧 Is vinegar an acid, a base or neutral? (a) neutral (b) a base (c) an acid
13. 13.⚖️ 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 change it (c) we keep it the same
14. 14.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
15. 15.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a comb (c) a funnel or spoon (d) a battery cell
16. 16.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is kept the same. (a) False (b) True
17. 17.📘 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
18. 18.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) add baking soda (c) ignore it (d) rinse with clean water
19. 19.🔍 Which is the odd one out? (a) baking soda water (b) salt water (c) plain water (d) sugar water
20. 20.🫧 Which of these is an acid? (a) salt water (b) soap solution (c) curd (d) baking soda water
21. 21.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) hydrogen (c) helium (d) carbon dioxide
22. 22.True or false: a balloon is not needed for the fizzy balloon. (a) False (b) True
23. 23.🔍 Which is the odd one out? (a) soap solution (b) detergent water (c) sugar water (d) baking soda water
24. 24.🔍 Which is the odd one out? (a) vinegar (b) lemon juice (c) detergent water (d) orange juice
25. 25.🫧 Which of these is neutral? (a) baking soda water (b) lemon juice (c) detergent water (d) sugar water
26. 26.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) False (b) True
27. 27.True or false: detergent water is neutral. (a) False (b) True
28. 28.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the amount of vinegar (b) the kind of balloon (c) spoons of baking soda (d) size of the balloon
29. 29.True or false: a magnet is not needed for the fizzy balloon. (a) False (b) True
30. 30.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) baking soda (c) a balloon (d) sugar
31. 31.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the kind of balloon (b) the amount of vinegar (c) size of the balloon (d) spoons of baking soda
32. 32.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) a mirror (c) a funnel or spoon (d) a balloon
33. 33.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a seed (c) a magnet (d) vinegar
34. 34.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) baking soda (c) vinegar (d) a battery cell
35. 35.⚖️ 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
36. 36.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a battery cell (c) an empty bottle (d) baking soda
37. 37.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we keep it the same (b) we change it (c) we measure it
38. 38.🫧 Which of these is an acid? (a) salt water (b) sugar water (c) baking soda water (d) vinegar
39. 39.True or false: a comb is not needed for the fizzy balloon. (a) False (b) True
40. 40.🫧 Is salt water an acid, a base or neutral? (a) an acid (b) a base (c) neutral

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