Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 722 · 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 a base? (a) plain water (b) sugar water (c) lemon juice (d) baking soda water
2. 2.🛟 What should you do if vinegar splashes in your eye? (a) rinse with clean water (b) ignore it (c) rub it hard (d) add baking soda
3. 3.🫧 Which of these is a base? (a) curd (b) vinegar (c) salt water (d) soap solution
4. 4.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) vinegar (c) an empty bottle (d) a battery cell
5. 5.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) spoons of baking soda (b) the kind of balloon (c) size of the balloon
6. 6.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) baking soda (c) a balloon (d) a magnet
7. 7.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) an empty bottle (c) a seed (d) a mirror
8. 8.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) keep it away from eyes (c) shake it near your face (d) seal it in a glass jar
9. 9.🫧 Is plain water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
10. 10.🧺 Do we need a seed for the fizzy balloon? (a) needed (b) not needed
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) True (b) False
12. 12.🧺 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 tray for spills
13. 13.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
14. 14.🫧 Which of these is neutral? (a) soap solution (b) vinegar (c) plain water (d) baking soda water
15. 15.⚖️ 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
16. 16.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a comb (c) a balloon (d) baking soda
17. 17.🔮 Predict: you use plain water instead of vinegar. What happens? (a) the balloon bursts (b) it turns to honey (c) very little fizzing (d) a huge eruption
18. 18.True or false: detergent water is a base. (a) False (b) True
19. 19.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) sugar (c) vinegar (d) a tray for spills
20. 20.True or false: a battery cell is not needed for the fizzy balloon. (a) False (b) True
21. 21.🫧 Is lemon juice an acid, a base or neutral? (a) an acid (b) a base (c) neutral
22. 22.🧺 Do we need vinegar for the fizzy balloon? (a) needed (b) not needed
23. 23.🫧 Is soap solution an acid, a base or neutral? (a) a base (b) an acid (c) neutral
24. 24.🫧 Is baking soda water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
25. 25.⚖️ 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 amount of vinegar (d) size of the balloon
26. 26.🫧 What do you see when baking soda meets vinegar? (a) lots of fizzy bubbles (b) nothing at all (c) it glows in the dark (d) it turns to ice
27. 27.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
28. 28.🫧 Is salt water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
29. 29.🔮 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
30. 30.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the amount of vinegar (b) the kind of balloon (c) size of the balloon (d) the same bottle
31. 31.🔍 Which is the odd one out? (a) plain water (b) sugar water (c) salt water (d) detergent water
32. 32.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it grows bigger (b) it shrinks (c) there is no change (d) it turns blue
33. 33.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) hydrogen (b) carbon dioxide (c) helium (d) oxygen
34. 34.⚖️ 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
35. 35.True or false: plain water is neutral. (a) True (b) False
36. 36.📘 Is the fizzing a sign that a new substance is made? (a) yes, a new gas forms (b) no, nothing changes (c) it is only melting (d) it is only dissolving
37. 37.True or false: salt water is an acid. (a) True (b) False
38. 38.True or false: a balloon is needed for the fizzy balloon. (a) True (b) False
39. 39.🫧 Which of these is neutral? (a) baking soda water (b) salt water (c) orange juice (d) curd
40. 40.True or false: vinegar is needed for the fizzy balloon. (a) False (b) True

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