Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 163 · 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.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) a seed (c) vinegar (d) baking soda
2. 2.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) baking soda (c) a funnel or spoon (d) sugar
3. 3.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they become magnets (b) they freeze (c) they float apart (d) they react
4. 4.True or false: a balloon is needed for the fizzy balloon. (a) False (b) True
5. 5.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
6. 6.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a battery cell (c) baking soda (d) a balloon
7. 7.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
8. 8.🔍 Which is the odd one out? (a) vinegar (b) lemon juice (c) salt water (d) tamarind water
9. 9.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it turns blue (b) there is no change (c) it grows bigger (d) it shrinks
10. 10.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) the balloon got cold (c) the gas froze (d) an ingredient ran out
11. 11.True or false: an empty bottle is not needed for the fizzy balloon. (a) True (b) False
12. 12.📘 Is the fizzing a sign that a new substance is made? (a) no, nothing changes (b) it is only melting (c) yes, a new gas forms (d) it is only dissolving
13. 13.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is what we measure. (a) False (b) True
14. 14.⚖️ 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
15. 15.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) add baking soda (c) rinse with clean water (d) ignore it
16. 16.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a mirror (c) baking soda (d) a comb
17. 17.🫧 Is soap solution an acid, a base or neutral? (a) a base (b) neutral (c) an acid
18. 18.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the same bottle (b) spoons of baking soda (c) the kind of balloon (d) size of the balloon
19. 19.🎈 Why does the balloon blow up? (a) gas is made inside (b) vinegar is hot (c) outside air gets in (d) the bottle shrinks
20. 20.🧺 Do we need a seed for the fizzy balloon? (a) not needed (b) needed
21. 21.🔍 Which is the odd one out? (a) soap solution (b) curd (c) orange juice (d) vinegar
22. 22.🧺 Which of these is needed for the fizzy balloon? (a) a funnel or spoon (b) sugar (c) a magnet (d) a comb
23. 23.🫧 Is vinegar an acid, a base or neutral? (a) an acid (b) neutral (c) a base
24. 24.⚖️ 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 measure it (c) we change it
25. 25.⚖️ 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
26. 26.🫧 Which of these is a base? (a) sugar water (b) lemon juice (c) soap solution (d) orange juice
27. 27.🫧 What do you see when baking soda meets vinegar? (a) it turns to ice (b) lots of fizzy bubbles (c) it glows in the dark (d) nothing at all
28. 28.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
29. 29.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) an empty bottle (c) a comb (d) vinegar
30. 30.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) sugar (c) a funnel or spoon (d) vinegar
31. 31.🫧 Which of these is neutral? (a) curd (b) orange juice (c) lemon juice (d) salt water
32. 32.🧺 Do we need sugar for the fizzy balloon? (a) not needed (b) needed
33. 33.🫧 Is plain water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
34. 34.🫧 Which of these is neutral? (a) lemon juice (b) curd (c) plain water (d) detergent water
35. 35.⚖️ 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) the kind of balloon (c) spoons of baking soda (d) size of the balloon
36. 36.🛟 Which safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) seal it in a glass jar (c) shake it near your face (d) put it in your mouth
37. 37.🧺 Do we need a battery cell for the fizzy balloon? (a) not needed (b) needed
38. 38.True or false: a tray for spills is needed for the fizzy balloon. (a) False (b) True
39. 39.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a funnel or spoon (c) a mirror (d) an empty bottle
40. 40.🔍 Which is the odd one out? (a) vinegar (b) detergent water (c) baking soda water (d) soap solution

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