Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 313 · 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.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they become magnets (b) they float apart (c) they freeze (d) they react
2. 2.🔍 Which is the odd one out? (a) soap solution (b) sugar water (c) plain water (d) salt water
3. 3.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it grows bigger (b) there is no change (c) it turns blue (d) it shrinks
4. 4.⚖️ 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 measure it (c) we keep it the same
5. 5.🫧 Is sugar water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
6. 6.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a seed (c) baking soda (d) an empty bottle
7. 7.True or false: detergent water is neutral. (a) True (b) False
8. 8.🫧 Which of these is an acid? (a) baking soda water (b) soap solution (c) plain water (d) curd
9. 9.True or false: baking soda water is a base. (a) True (b) False
10. 10.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) a funnel or spoon (c) an empty bottle (d) a mirror
11. 11.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) put it in your mouth (c) keep it away from eyes (d) seal it in a glass jar
12. 12.🧺 Do we need a battery cell for the fizzy balloon? (a) not needed (b) needed
13. 13.True or false: a seed is needed for the fizzy balloon. (a) False (b) True
14. 14.⚖️ 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
15. 15.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) vinegar (c) a magnet (d) a funnel or spoon
16. 16.True or false: a balloon is needed for the fizzy balloon. (a) True (b) False
17. 17.True or false: detergent water is an acid. (a) False (b) True
18. 18.🫧 What do you see when baking soda meets vinegar? (a) it turns to ice (b) it glows in the dark (c) lots of fizzy bubbles (d) nothing at all
19. 19.🫧 Which of these is neutral? (a) vinegar (b) lemon juice (c) salt water (d) tamarind water
20. 20.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) a huge eruption (c) the balloon bursts (d) very little fizzing
21. 21.🔍 Which is the odd one out? (a) detergent water (b) sugar water (c) baking soda water (d) soap solution
22. 22.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the kind of balloon (b) spoons of baking soda (c) the same bottle (d) size of the balloon
23. 23.🧺 Which of these is needed for the fizzy balloon? (a) vinegar (b) a comb (c) a magnet (d) a seed
24. 24.🫧 Is salt water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
25. 25.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a tray for spills (c) baking soda (d) a comb
26. 26.True or false: a seed is not needed for the fizzy balloon. (a) True (b) False
27. 27.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a magnet (c) an empty bottle (d) a seed
28. 28.🛟 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
29. 29.🫧 Is soap solution an acid, a base or neutral? (a) a base (b) neutral (c) an acid
30. 30.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a magnet (c) baking soda (d) a seed
31. 31.🫧 Is lemon juice an acid, a base or neutral? (a) a base (b) an acid (c) neutral
32. 32.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the kind of balloon (b) size of the balloon (c) the amount of vinegar (d) the same bottle
33. 33.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) True (b) False
34. 34.🔍 Which is the odd one out? (a) orange juice (b) vinegar (c) lemon juice (d) plain water
35. 35.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we measure it (b) we keep it the same (c) we change it
36. 36.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a funnel or spoon (c) sugar (d) a balloon
37. 37.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
38. 38.🔍 Which is the odd one out? (a) lemon juice (b) salt water (c) tamarind water (d) curd
39. 39.🫧 Is detergent water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
40. 40.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is what we measure. (a) True (b) False

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