Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 627 · 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 safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) shake it near your face (c) put it in your mouth (d) seal it in a glass jar
2. 2.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is kept the same. (a) True (b) False
3. 3.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
4. 4.🔮 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
5. 5.⚖️ 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
6. 6.🔮 The fizzing stops after a while. Why? (a) the balloon got cold (b) the gas froze (c) the bottle got tired (d) an ingredient ran out
7. 7.🫧 Is plain water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
8. 8.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we measure it (b) we change it (c) we keep it the same
9. 9.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) there is no change (b) it grows bigger (c) it turns blue (d) it shrinks
10. 10.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) helium (b) carbon dioxide (c) hydrogen (d) oxygen
11. 11.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is kept the same. (a) False (b) True
12. 12.🧺 Which of these is needed for the fizzy balloon? (a) a funnel or spoon (b) a mirror (c) a battery cell (d) sugar
13. 13.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a battery cell (b) a balloon (c) vinegar (d) a tray for spills
14. 14.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) a seed (c) baking soda (d) an empty bottle
15. 15.True or false: a comb is needed for the fizzy balloon. (a) True (b) False
16. 16.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is what we measure. (a) False (b) True
17. 17.True or false: a mirror is needed for the fizzy balloon. (a) False (b) True
18. 18.True or false: curd is an acid. (a) False (b) True
19. 19.True or false: a comb is not needed for the fizzy balloon. (a) False (b) True
20. 20.🔍 Which is the odd one out? (a) sugar water (b) salt water (c) plain water (d) orange juice
21. 21.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) rub it hard (c) add baking soda (d) rinse with clean water
22. 22.⚖️ 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) the amount of vinegar (c) spoons of baking soda (d) the kind of balloon
23. 23.🫧 Is curd an acid, a base or neutral? (a) neutral (b) an acid (c) a base
24. 24.🫧 Is lemon juice an acid, a base or neutral? (a) an acid (b) neutral (c) a base
25. 25.True or false: lemon juice is an acid. (a) False (b) True
26. 26.🫧 Is soap solution an acid, a base or neutral? (a) neutral (b) an acid (c) a base
27. 27.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
28. 28.🫧 Which of these is neutral? (a) sugar water (b) detergent water (c) curd (d) orange juice
29. 29.🧺 Which of these is needed for the fizzy balloon? (a) baking soda (b) sugar (c) a magnet (d) a seed
30. 30.True or false: soap solution is neutral. (a) False (b) True
31. 31.🫧 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
32. 32.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a balloon (c) a comb (d) a tray for spills
33. 33.🧺 Which of these is not needed for the fizzy balloon? (a) sugar (b) a funnel or spoon (c) an empty bottle (d) baking soda
34. 34.True or false: baking soda water is an acid. (a) True (b) False
35. 35.🔍 Which is the odd one out? (a) vinegar (b) baking soda water (c) detergent water (d) soap solution
36. 36.⚖️ 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
37. 37.🫧 Which of these is a base? (a) lemon juice (b) vinegar (c) salt water (d) baking soda water
38. 38.🔍 Which is the odd one out? (a) lemon juice (b) baking soda water (c) vinegar (d) tamarind water
39. 39.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a magnet (c) a tray for spills (d) an empty bottle
40. 40.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is kept the same. (a) False (b) True

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