Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 461 · 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.⚖️ 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
2. 2.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) shake it near your face (c) keep it away from eyes (d) seal it in a glass jar
3. 3.🔍 Which is the odd one out? (a) tamarind water (b) baking soda water (c) vinegar (d) lemon juice
4. 4.🧺 Do we need vinegar for the fizzy balloon? (a) needed (b) not needed
5. 5.🫧 Is salt water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
6. 6.🧺 Do we need a comb for the fizzy balloon? (a) not needed (b) needed
7. 7.🧺 Do we need sugar for the fizzy balloon? (a) not needed (b) needed
8. 8.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a mirror (c) a funnel or spoon (d) vinegar
9. 9.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
10. 10.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the amount of vinegar (b) size of the balloon (c) spoons of baking soda (d) the kind of balloon
11. 11.🛟 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
12. 12.🫧 Is orange juice an acid, a base or neutral? (a) an acid (b) a base (c) neutral
13. 13.True or false: a balloon is not needed for the fizzy balloon. (a) True (b) False
14. 14.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
15. 15.True or false: curd is a base. (a) False (b) True
16. 16.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a tray for spills (c) a mirror (d) a seed
17. 17.True or false: a battery cell is not needed for the fizzy balloon. (a) True (b) False
18. 18.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is what we measure. (a) False (b) True
19. 19.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
20. 20.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) needed (b) not needed
21. 21.True or false: a magnet is needed for the fizzy balloon. (a) True (b) False
22. 22.🔍 Which is the odd one out? (a) sugar water (b) lemon juice (c) curd (d) orange juice
23. 23.🫧 What do you see when baking soda meets vinegar? (a) it glows in the dark (b) lots of fizzy bubbles (c) it turns to ice (d) nothing at all
24. 24.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) very little fizzing (c) it turns to honey (d) the balloon bursts
25. 25.🔍 Which is the odd one out? (a) lemon juice (b) orange juice (c) curd (d) salt water
26. 26.True or false: vinegar is an acid. (a) False (b) True
27. 27.🔍 Which is the odd one out? (a) curd (b) orange juice (c) soap solution (d) vinegar
28. 28.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a magnet (c) vinegar (d) a comb
29. 29.True or false: a magnet is not needed for the fizzy balloon. (a) True (b) False
30. 30.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) baking soda (c) a magnet (d) vinegar
31. 31.True or false: baking soda is needed for the fizzy balloon. (a) False (b) True
32. 32.🔍 Which is the odd one out? (a) soap solution (b) detergent water (c) lemon juice (d) baking soda water
33. 33.True or false: vinegar is needed for the fizzy balloon. (a) False (b) True
34. 34.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) size of the balloon (b) the amount of vinegar (c) spoons of baking soda
35. 35.True or false: baking soda is not needed for the fizzy balloon. (a) False (b) True
36. 36.🔍 Which is the odd one out? (a) soap solution (b) detergent water (c) baking soda water (d) orange juice
37. 37.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) size of the balloon (b) spoons of baking soda (c) the kind of balloon (d) the amount of vinegar
38. 38.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it turns blue (b) it grows bigger (c) it shrinks (d) there is no change
39. 39.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) vinegar (c) baking soda (d) a seed
40. 40.🫧 Is lemon juice an acid, a base or neutral? (a) a base (b) neutral (c) an acid

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