Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 653 · 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.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
2. 2.⚖️ 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
3. 3.True or false: vinegar is a base. (a) False (b) True
4. 4.🔍 Which is the odd one out? (a) salt water (b) plain water (c) soap solution (d) sugar water
5. 5.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a battery cell (c) sugar (d) an empty bottle
6. 6.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we change it (b) we keep it the same (c) we measure it
7. 7.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) shake it near your face (c) keep it away from eyes (d) seal it in a glass jar
8. 8.True or false: vinegar is an acid. (a) False (b) True
9. 9.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is kept the same. (a) True (b) False
10. 10.⚖️ 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
11. 11.True or false: baking soda is needed for the fizzy balloon. (a) False (b) True
12. 12.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we keep it the same (b) we measure it (c) we change it
13. 13.🔍 Which is the odd one out? (a) baking soda water (b) soap solution (c) curd (d) detergent water
14. 14.🔍 Which is the odd one out? (a) detergent water (b) soap solution (c) sugar water (d) baking soda water
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) size of the balloon (c) spoons of baking soda (d) the same bottle
16. 16.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) a comb (c) baking soda (d) an empty bottle
17. 17.True or false: a balloon is not needed for the fizzy balloon. (a) False (b) True
18. 18.🔍 Which is the odd one out? (a) orange juice (b) plain water (c) sugar water (d) salt water
19. 19.⚖️ 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
20. 20.🔮 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
21. 21.⚖️ 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
22. 22.True or false: tamarind water is an acid. (a) True (b) False
23. 23.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they float apart (b) they react (c) they freeze (d) they become magnets
24. 24.🫧 Which of these is neutral? (a) orange juice (b) baking soda water (c) vinegar (d) sugar water
25. 25.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) baking soda (c) a tray for spills (d) a mirror
26. 26.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
27. 27.🫧 Is baking soda water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
28. 28.🔍 Which is the odd one out? (a) baking soda water (b) detergent water (c) salt water (d) soap solution
29. 29.🧺 Which of these is needed for the fizzy balloon? (a) baking soda (b) a battery cell (c) a magnet (d) a mirror
30. 30.🔍 Which is the odd one out? (a) orange juice (b) baking soda water (c) lemon juice (d) vinegar
31. 31.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) very little fizzing (c) it turns to honey (d) the balloon bursts
32. 32.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) an empty bottle (c) a comb (d) vinegar
33. 33.True or false: a magnet is not needed for the fizzy balloon. (a) True (b) False
34. 34.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
35. 35.🫧 Is salt water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
36. 36.🫧 Which of these is a base? (a) curd (b) baking soda water (c) vinegar (d) sugar water
37. 37.⚖️ 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
38. 38.🔍 Which is the odd one out? (a) baking soda water (b) detergent water (c) soap solution (d) vinegar
39. 39.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) sugar (c) a tray for spills (d) vinegar
40. 40.🔍 Which is the odd one out? (a) curd (b) detergent water (c) vinegar (d) orange juice

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