Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 294 · 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) baking soda (b) a balloon (c) a funnel or spoon (d) a magnet
2. 2.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) False (b) True
3. 3.🧺 Which of these is not needed for the fizzy balloon? (a) a magnet (b) a funnel or spoon (c) a balloon (d) a tray for spills
4. 4.True or false: a seed is needed for the fizzy balloon. (a) True (b) False
5. 5.🔮 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
6. 6.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it turns blue (b) it grows bigger (c) it shrinks (d) there is no change
7. 7.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) helium (b) oxygen (c) hydrogen (d) carbon dioxide
8. 8.🫧 Is vinegar an acid, a base or neutral? (a) neutral (b) a base (c) an acid
9. 9.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a mirror (c) baking soda (d) a balloon
10. 10.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
11. 11.True or false: an empty bottle is needed for the fizzy balloon. (a) False (b) True
12. 12.🔍 Which is the odd one out? (a) sugar water (b) salt water (c) vinegar (d) plain water
13. 13.True or false: vinegar is a base. (a) True (b) False
14. 14.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is kept the same. (a) False (b) True
15. 15.⚖️ 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
16. 16.🛟 What should you do if vinegar splashes in your eye? (a) rinse with clean water (b) rub it hard (c) ignore it (d) add baking soda
17. 17.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) put it in your mouth (c) keep it away from eyes (d) seal it in a glass jar
18. 18.🔍 Which is the odd one out? (a) sugar water (b) salt water (c) soap solution (d) plain water
19. 19.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is kept the same. (a) False (b) True
20. 20.🔍 Which is the odd one out? (a) soap solution (b) baking soda water (c) plain water (d) detergent water
21. 21.⚖️ 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
22. 22.True or false: orange juice is an acid. (a) False (b) True
23. 23.⚖️ 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
24. 24.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is the one thing we change. (a) True (b) False
25. 25.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a battery cell (b) vinegar (c) baking soda (d) a balloon
26. 26.🫧 Is salt water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
27. 27.True or false: detergent water is a base. (a) True (b) False
28. 28.⚖️ 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
29. 29.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
30. 30.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we measure it (b) we keep it the same (c) we change it
31. 31.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) sugar (c) a funnel or spoon (d) a tray for spills
32. 32.🫧 Which of these is an acid? (a) sugar water (b) salt water (c) soap solution (d) curd
33. 33.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a comb (c) vinegar (d) a battery cell
34. 34.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) size of the balloon (b) the same bottle (c) the amount of vinegar (d) the kind of balloon
35. 35.True or false: a comb is needed for the fizzy balloon. (a) True (b) False
36. 36.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we keep it the same (b) we measure it (c) we change it
37. 37.🫧 Which of these is an acid? (a) detergent water (b) vinegar (c) sugar water (d) soap solution
38. 38.🧺 Do we need a battery cell for the fizzy balloon? (a) needed (b) not needed
39. 39.🫧 Which of these is neutral? (a) salt water (b) baking soda water (c) soap solution (d) orange juice
40. 40.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a mirror (c) a seed (d) a funnel or spoon

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