Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 113 · 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.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a tray for spills (c) a comb (d) a funnel or spoon
2. 2.🧺 Do we need a magnet for the fizzy balloon? (a) needed (b) not needed
3. 3.📘 Is the fizzing a sign that a new substance is made? (a) it is only melting (b) it is only dissolving (c) no, nothing changes (d) yes, a new gas forms
4. 4.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
5. 5.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) vinegar (c) a magnet (d) a balloon
6. 6.🫧 Is vinegar an acid, a base or neutral? (a) neutral (b) a base (c) an acid
7. 7.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the same bottle (b) size of the balloon (c) spoons of baking soda
8. 8.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we keep it the same (b) we change it (c) we measure it
9. 9.True or false: a magnet is needed for the fizzy balloon. (a) False (b) True
10. 10.True or false: sugar is needed for the fizzy balloon. (a) False (b) True
11. 11.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) baking soda (c) a battery cell (d) vinegar
12. 12.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) ignore it (c) rub it hard (d) rinse with clean water
13. 13.True or false: an empty bottle is needed for the fizzy balloon. (a) True (b) False
14. 14.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) an empty bottle (c) a mirror (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 kind of balloon (b) spoons of baking soda (c) the same bottle (d) the amount of vinegar
16. 16.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is the one thing we change. (a) True (b) False
17. 17.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) there is no change (c) it grows bigger (d) it turns blue
18. 18.🫧 Which of these is neutral? (a) baking soda water (b) curd (c) detergent water (d) sugar water
19. 19.True or false: a battery cell is needed for the fizzy balloon. (a) False (b) True
20. 20.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) a mirror (c) vinegar (d) a balloon
21. 21.⚖️ 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
22. 22.🔍 Which is the odd one out? (a) sugar water (b) plain water (c) detergent water (d) salt water
23. 23.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a mirror (c) a battery cell (d) a balloon
24. 24.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) helium (b) oxygen (c) carbon dioxide (d) hydrogen
25. 25.🫧 What do you see when baking soda meets vinegar? (a) it glows in the dark (b) lots of fizzy bubbles (c) nothing at all (d) it turns to ice
26. 26.True or false: orange juice is a base. (a) False (b) True
27. 27.True or false: detergent water is neutral. (a) False (b) True
28. 28.🫧 Which of these is a base? (a) orange juice (b) plain water (c) vinegar (d) detergent water
29. 29.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we change it (b) we measure it (c) we keep it the same
30. 30.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) keep it away from eyes (c) put it in your mouth (d) shake it near your face
31. 31.🧺 Do we need a seed for the fizzy balloon? (a) not needed (b) needed
32. 32.🧺 Which of these is needed for the fizzy balloon? (a) vinegar (b) a magnet (c) a seed (d) sugar
33. 33.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we change it (b) we measure it (c) we keep it the same
34. 34.🫧 Is soap solution an acid, a base or neutral? (a) a base (b) neutral (c) an acid
35. 35.🔍 Which is the odd one out? (a) sugar water (b) salt water (c) curd (d) plain water
36. 36.🔮 The fizzing stops after a while. Why? (a) the gas froze (b) the balloon got cold (c) the bottle got tired (d) an ingredient ran out
37. 37.True or false: orange juice is an acid. (a) True (b) False
38. 38.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
39. 39.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) it turns to honey (c) the balloon bursts (d) very little fizzing
40. 40.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed

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