Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 88 · 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? Which of these is kept the same? (a) the kind of balloon (b) spoons of baking soda (c) size of the balloon
2. 2.🫧 Is baking soda water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
3. 3.🛟 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
4. 4.⚖️ 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
5. 5.🫧 Which of these is an acid? (a) sugar water (b) orange juice (c) detergent water (d) baking soda water
6. 6.🔍 Which is the odd one out? (a) lemon juice (b) curd (c) salt water (d) vinegar
7. 7.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) needed (b) not needed
8. 8.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
9. 9.True or false: a seed is needed for the fizzy balloon. (a) False (b) True
10. 10.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the kind of balloon (b) the amount of vinegar (c) size of the balloon (d) spoons of baking soda
11. 11.⚖️ 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
12. 12.🫧 What do you see when baking soda meets vinegar? (a) it turns to ice (b) it glows in the dark (c) nothing at all (d) lots of fizzy bubbles
13. 13.True or false: baking soda water is a base. (a) True (b) False
14. 14.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a magnet (b) a funnel or spoon (c) a tray for spills (d) baking soda
15. 15.True or false: curd is an acid. (a) True (b) False
16. 16.🫧 Which of these is neutral? (a) vinegar (b) lemon juice (c) soap solution (d) salt water
17. 17.⚖️ 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 same bottle (c) spoons of baking soda (d) size of the balloon
18. 18.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it turns blue (b) it shrinks (c) there is no change (d) it grows bigger
19. 19.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we change it (b) we measure it (c) we keep it the same
20. 20.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) an empty bottle (c) sugar (d) a funnel or spoon
21. 21.True or false: a tray for spills is needed for the fizzy balloon. (a) True (b) False
22. 22.🔍 Which is the odd one out? (a) salt water (b) detergent water (c) sugar water (d) plain water
23. 23.⚖️ 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
24. 24.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
25. 25.🫧 Is detergent water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
26. 26.🔍 Which is the odd one out? (a) plain water (b) salt water (c) sugar water (d) tamarind water
27. 27.🔍 Which is the odd one out? (a) orange juice (b) vinegar (c) lemon juice (d) baking soda water
28. 28.True or false: a balloon is not needed for the fizzy balloon. (a) False (b) True
29. 29.🧺 Which of these is not needed for the fizzy balloon? (a) sugar (b) an empty bottle (c) vinegar (d) a funnel or spoon
30. 30.🫧 Is sugar water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
31. 31.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is what we measure. (a) False (b) True
32. 32.⚖️ 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
33. 33.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) carbon dioxide (b) helium (c) hydrogen (d) oxygen
34. 34.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) an ingredient ran out (c) the gas froze (d) the balloon got cold
35. 35.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is the one thing we change. (a) False (b) True
36. 36.🛟 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
37. 37.🔍 Which is the odd one out? (a) curd (b) plain water (c) salt water (d) sugar water
38. 38.🫧 Which of these is an acid? (a) sugar water (b) soap solution (c) baking soda water (d) curd
39. 39.True or false: sugar is not needed for the fizzy balloon. (a) False (b) True
40. 40.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) it turns to honey (c) very little fizzing (d) the balloon bursts

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