Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 246 · 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? True or false: the amount of vinegar is the one thing we change. (a) True (b) False
2. 2.🫧 Is baking soda water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
3. 3.🧺 Do we need sugar for the fizzy balloon? (a) not needed (b) needed
4. 4.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
5. 5.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a balloon (c) an empty bottle (d) a seed
6. 6.🫧 Which of these is a base? (a) lemon juice (b) detergent water (c) sugar water (d) vinegar
7. 7.⚖️ 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) spoons of baking soda
8. 8.True or false: a magnet is needed for the fizzy balloon. (a) True (b) False
9. 9.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is kept the same. (a) True (b) False
10. 10.True or false: soap solution is a base. (a) False (b) True
11. 11.True or false: orange juice is neutral. (a) True (b) False
12. 12.🔮 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
13. 13.🧺 Do we need a seed for the fizzy balloon? (a) not needed (b) needed
14. 14.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a magnet (c) an empty bottle (d) a funnel or spoon
15. 15.⚖️ 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) size of the balloon (c) spoons of baking soda (d) the kind of balloon
16. 16.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a mirror (c) a funnel or spoon (d) a tray for spills
17. 17.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) seal it in a glass jar (c) put it in your mouth (d) keep it away from eyes
18. 18.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
19. 19.True or false: salt water is a base. (a) False (b) True
20. 20.🫧 Is plain water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
21. 21.True or false: lemon juice is a base. (a) True (b) False
22. 22.🫧 Is lemon juice an acid, a base or neutral? (a) an acid (b) neutral (c) a base
23. 23.🔮 Predict: you use plain water instead of vinegar. What happens? (a) the balloon bursts (b) very little fizzing (c) a huge eruption (d) it turns to honey
24. 24.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is kept the same. (a) True (b) False
25. 25.⚖️ 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
26. 26.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a comb (b) a funnel or spoon (c) vinegar (d) a tray for spills
27. 27.🔮 The fizzing stops after a while. Why? (a) the gas froze (b) the bottle got tired (c) the balloon got cold (d) an ingredient ran out
28. 28.🫧 What do you see when baking soda meets vinegar? (a) it glows in the dark (b) it turns to ice (c) nothing at all (d) lots of fizzy bubbles
29. 29.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we keep it the same (b) we change it (c) we measure it
30. 30.🧺 Do we need a tray for spills for the fizzy balloon? (a) needed (b) not needed
31. 31.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we change it (b) we keep it the same (c) we measure it
32. 32.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
33. 33.🔍 Which is the odd one out? (a) curd (b) vinegar (c) tamarind water (d) baking soda water
34. 34.🫧 Is curd an acid, a base or neutral? (a) an acid (b) a base (c) neutral
35. 35.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is the one thing we change. (a) True (b) False
36. 36.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
37. 37.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) rinse with clean water (c) rub it hard (d) ignore it
38. 38.True or false: curd is an acid. (a) False (b) True
39. 39.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) a tray for spills (c) a comb (d) an empty bottle
40. 40.🫧 Is detergent water an acid, a base or neutral? (a) a base (b) neutral (c) an acid

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