Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 640 · 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? True or false: the amount of vinegar is kept the same. (a) False (b) True
2. 2.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a battery cell (c) an empty bottle (d) a mirror
3. 3.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is what we measure. (a) False (b) True
4. 4.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) size of the balloon (b) spoons of baking soda (c) the kind of balloon
5. 5.True or false: detergent water is a base. (a) True (b) False
6. 6.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a comb (b) a funnel or spoon (c) baking soda (d) an empty bottle
7. 7.True or false: a magnet is needed for the fizzy balloon. (a) True (b) False
8. 8.🛟 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
9. 9.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) the balloon bursts (c) it turns to honey (d) very little fizzing
10. 10.🔍 Which is the odd one out? (a) soap solution (b) baking soda water (c) detergent water (d) salt water
11. 11.📘 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
12. 12.🫧 Is vinegar an acid, a base or neutral? (a) a base (b) an acid (c) neutral
13. 13.🫧 Which of these is an acid? (a) sugar water (b) baking soda water (c) detergent water (d) vinegar
14. 14.🔍 Which is the odd one out? (a) salt water (b) plain water (c) sugar water (d) vinegar
15. 15.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) size of the balloon (b) spoons of baking soda (c) the amount of vinegar
16. 16.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) sugar (c) an empty bottle (d) baking soda
17. 17.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) vinegar (c) a funnel or spoon (d) a seed
18. 18.🫧 Which of these is an acid? (a) soap solution (b) plain water (c) lemon juice (d) salt water
19. 19.⚖️ 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
20. 20.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a seed (b) a balloon (c) an empty bottle (d) a funnel or spoon
21. 21.🛟 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
22. 22.🧺 Which of these is needed for the fizzy balloon? (a) a balloon (b) a comb (c) a battery cell (d) a magnet
23. 23.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) the balloon got cold (c) the gas froze (d) an ingredient ran out
24. 24.🫧 Is sugar water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
25. 25.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) a funnel or spoon (c) sugar (d) a balloon
26. 26.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a mirror (c) vinegar (d) a tray for spills
27. 27.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is the one thing we change. (a) False (b) True
28. 28.⚖️ 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 same bottle (c) the amount of vinegar (d) size of the balloon
29. 29.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) an empty bottle (c) a magnet (d) a funnel or spoon
30. 30.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) a comb (c) a balloon (d) vinegar
31. 31.🔍 Which is the odd one out? (a) soap solution (b) lemon juice (c) baking soda water (d) detergent water
32. 32.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) an empty bottle (c) a battery cell (d) a funnel or spoon
33. 33.🎈 Why does the balloon blow up? (a) the bottle shrinks (b) outside air gets in (c) gas is made inside (d) vinegar is hot
34. 34.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a mirror (c) a battery cell (d) baking soda
35. 35.🫧 Is baking soda water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
36. 36.True or false: a tray for spills is needed for the fizzy balloon. (a) False (b) True
37. 37.⚖️ 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
38. 38.🔍 Which is the odd one out? (a) lemon juice (b) detergent water (c) orange juice (d) vinegar
39. 39.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a magnet (c) sugar (d) vinegar
40. 40.🫧 Is curd an acid, a base or neutral? (a) a base (b) an acid (c) neutral

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