Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 843 · 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.True or false: an empty bottle is not needed for the fizzy balloon. (a) True (b) False
2. 2.True or false: tamarind water is neutral. (a) False (b) True
3. 3.⚖️ 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
4. 4.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) rinse with clean water (c) ignore it (d) add baking soda
5. 5.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the same bottle (b) the kind of balloon (c) size of the balloon (d) spoons of baking soda
6. 6.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
7. 7.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a balloon (c) a mirror (d) a tray for spills
8. 8.🫧 Which of these is a base? (a) vinegar (b) detergent water (c) plain water (d) orange juice
9. 9.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a battery cell (c) a balloon (d) vinegar
10. 10.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) vinegar (c) sugar (d) a balloon
11. 11.🛟 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
12. 12.🫧 Is vinegar an acid, a base or neutral? (a) a base (b) an acid (c) neutral
13. 13.⚖️ 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) size of the balloon (d) spoons of baking soda
14. 14.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they react (b) they freeze (c) they become magnets (d) they float apart
15. 15.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we measure it (b) we keep it the same (c) we change it
16. 16.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it turns blue (b) there is no change (c) it shrinks (d) it grows bigger
17. 17.True or false: curd is a base. (a) True (b) False
18. 18.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
19. 19.True or false: detergent water is neutral. (a) True (b) False
20. 20.⚖️ 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) True (b) False
21. 21.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
22. 22.⚖️ 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
23. 23.🫧 Which of these is a base? (a) orange juice (b) plain water (c) soap solution (d) lemon juice
24. 24.🔍 Which is the odd one out? (a) salt water (b) sugar water (c) plain water (d) tamarind water
25. 25.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a battery cell (c) an empty bottle (d) baking soda
26. 26.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is what we measure. (a) True (b) False
27. 27.True or false: baking soda is needed for the fizzy balloon. (a) False (b) True
28. 28.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) a mirror (c) baking soda (d) a tray for spills
29. 29.🫧 Is salt water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
30. 30.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a mirror (c) an empty bottle (d) sugar
31. 31.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is what we measure. (a) False (b) True
32. 32.True or false: sugar water is an acid. (a) False (b) True
33. 33.🔍 Which is the odd one out? (a) soap solution (b) detergent water (c) baking soda water (d) orange juice
34. 34.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is the one thing we change. (a) False (b) True
35. 35.True or false: a seed is needed for the fizzy balloon. (a) False (b) True
36. 36.🔮 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
37. 37.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
38. 38.True or false: a battery cell is not needed for the fizzy balloon. (a) False (b) True
39. 39.⚖️ 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 same bottle
40. 40.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a balloon (c) a magnet (d) a tray for spills

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