Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 674 · 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 funnel or spoon (b) an empty bottle (c) vinegar (d) a seed
2. 2.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a seed (b) an empty bottle (c) baking soda (d) a balloon
3. 3.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) the gas froze (c) the balloon got cold (d) an ingredient ran out
4. 4.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a battery cell (c) a seed (d) a tray for spills
5. 5.🔍 Which is the odd one out? (a) baking soda water (b) soap solution (c) plain water (d) detergent water
6. 6.🧺 Do we need a mirror for the fizzy balloon? (a) needed (b) not needed
7. 7.⚖️ 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
8. 8.🫧 Is vinegar an acid, a base or neutral? (a) neutral (b) an acid (c) a base
9. 9.⚖️ 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
10. 10.🧺 Do we need a magnet for the fizzy balloon? (a) needed (b) not needed
11. 11.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a tray for spills (c) a mirror (d) vinegar
12. 12.🧺 Do we need a seed for the fizzy balloon? (a) needed (b) not needed
13. 13.True or false: vinegar is a base. (a) True (b) False
14. 14.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a funnel or spoon (c) sugar (d) a battery cell
15. 15.True or false: lemon juice is a base. (a) True (b) False
16. 16.🫧 Is tamarind water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
17. 17.🔍 Which is the odd one out? (a) baking soda water (b) tamarind water (c) lemon juice (d) vinegar
18. 18.⚖️ 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
19. 19.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) put it in your mouth (c) shake it near your face (d) keep it away from eyes
20. 20.🫧 Which of these is a base? (a) soap solution (b) tamarind water (c) lemon juice (d) sugar water
21. 21.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a magnet (c) baking soda (d) a funnel or spoon
22. 22.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) baking soda (c) sugar (d) a balloon
23. 23.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) baking soda (c) a comb (d) a seed
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 change it (c) we measure it
25. 25.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
26. 26.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) it turns blue (c) there is no change (d) it grows bigger
27. 27.🛟 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
28. 28.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they freeze (b) they become magnets (c) they react (d) they float apart
29. 29.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the same bottle (b) the kind of balloon (c) spoons of baking soda (d) size of the balloon
30. 30.🫧 What do you see when baking soda meets vinegar? (a) it turns to ice (b) nothing at all (c) it glows in the dark (d) lots of fizzy bubbles
31. 31.🫧 Which of these is neutral? (a) baking soda water (b) detergent water (c) sugar water (d) vinegar
32. 32.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
33. 33.🎈 Why does the balloon blow up? (a) outside air gets in (b) gas is made inside (c) the bottle shrinks (d) vinegar is hot
34. 34.🧺 Do we need a battery cell for the fizzy balloon? (a) needed (b) not needed
35. 35.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) vinegar (c) a tray for spills (d) sugar
36. 36.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) True (b) False
37. 37.🔍 Which is the odd one out? (a) tamarind water (b) vinegar (c) orange juice (d) soap solution
38. 38.🫧 Is detergent water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
39. 39.True or false: orange juice is an acid. (a) False (b) True
40. 40.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a seed (c) sugar (d) vinegar

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