Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 694 · 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 of these is needed for the fizzy balloon? (a) a battery cell (b) vinegar (c) sugar (d) a comb
2. 2.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
3. 3.🔍 Which is the odd one out? (a) sugar water (b) orange juice (c) salt water (d) plain water
4. 4.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
5. 5.🧺 Which of these is needed for the fizzy balloon? (a) an empty bottle (b) sugar (c) a magnet (d) a battery cell
6. 6.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) baking soda (c) a mirror (d) a magnet
7. 7.🫧 What do you see when baking soda meets vinegar? (a) it glows in the dark (b) nothing at all (c) lots of fizzy bubbles (d) it turns to ice
8. 8.⚖️ 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
9. 9.⚖️ 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
10. 10.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) size of the balloon (b) the kind of balloon (c) the same bottle (d) spoons of baking soda
11. 11.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) ignore it (c) add baking soda (d) rinse with clean water
12. 12.True or false: baking soda water is an acid. (a) False (b) True
13. 13.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) baking soda (c) a comb (d) vinegar
14. 14.📘 Is the fizzing a sign that a new substance is made? (a) no, nothing changes (b) it is only melting (c) yes, a new gas forms (d) it is only dissolving
15. 15.🛟 Which safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) put it in your mouth (c) shake it near your face (d) seal it in a glass jar
16. 16.🧺 Do we need a seed for the fizzy balloon? (a) not needed (b) needed
17. 17.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a battery cell (b) baking soda (c) vinegar (d) a tray for spills
18. 18.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
19. 19.🔮 Predict: you use plain water instead of vinegar. What happens? (a) very little fizzing (b) the balloon bursts (c) a huge eruption (d) it turns to honey
20. 20.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) hydrogen (b) carbon dioxide (c) oxygen (d) helium
21. 21.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a seed (c) an empty bottle (d) baking soda
22. 22.🔮 The fizzing stops after a while. Why? (a) the balloon got cold (b) an ingredient ran out (c) the bottle got tired (d) the gas froze
23. 23.🫧 Is lemon juice an acid, a base or neutral? (a) neutral (b) an acid (c) a base
24. 24.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) a funnel or spoon (c) baking soda (d) a mirror
25. 25.🫧 Which of these is an acid? (a) orange juice (b) sugar water (c) salt water (d) plain water
26. 26.True or false: a seed is needed for the fizzy balloon. (a) True (b) False
27. 27.⚖️ 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) the amount of vinegar (c) spoons of baking soda (d) size of the balloon
28. 28.True or false: a balloon is not needed for the fizzy balloon. (a) False (b) True
29. 29.🔍 Which is the odd one out? (a) sugar water (b) baking soda water (c) detergent water (d) soap solution
30. 30.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
31. 31.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a funnel or spoon (c) vinegar (d) a comb
32. 32.🫧 Is curd an acid, a base or neutral? (a) neutral (b) an acid (c) a base
33. 33.🫧 Which of these is a base? (a) orange juice (b) curd (c) soap solution (d) salt water
34. 34.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is what we measure. (a) True (b) False
35. 35.🧺 Which of these is not needed for the fizzy balloon? (a) sugar (b) an empty bottle (c) a funnel or spoon (d) vinegar
36. 36.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) vinegar (c) a magnet (d) a funnel or spoon
37. 37.🫧 Which of these is neutral? (a) salt water (b) lemon juice (c) tamarind water (d) soap solution
38. 38.True or false: a battery cell is needed for the fizzy balloon. (a) True (b) False
39. 39.True or false: lemon juice is neutral. (a) True (b) False
40. 40.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we keep it the same (b) we measure it (c) we change it

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