Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 79 · 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 gas fills the balloon in the baking soda and vinegar experiment? (a) hydrogen (b) helium (c) carbon dioxide (d) oxygen
2. 2.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a balloon (c) a magnet (d) a tray for spills
3. 3.⚖️ 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
4. 4.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they become magnets (b) they react (c) they float apart (d) they freeze
5. 5.🔍 Which is the odd one out? (a) detergent water (b) salt water (c) soap solution (d) baking soda water
6. 6.🫧 Which of these is an acid? (a) baking soda water (b) soap solution (c) plain water (d) curd
7. 7.🫧 Is baking soda water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
8. 8.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) baking soda (c) a tray for spills (d) a seed
9. 9.🔮 The fizzing stops after a while. Why? (a) an ingredient ran out (b) the gas froze (c) the balloon got cold (d) the bottle got tired
10. 10.🧺 Do we need a magnet for the fizzy balloon? (a) needed (b) not needed
11. 11.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
12. 12.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) vinegar (c) a comb (d) a tray for spills
13. 13.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) vinegar (c) a balloon (d) a battery cell
14. 14.True or false: a magnet is not needed for the fizzy balloon. (a) False (b) True
15. 15.True or false: a mirror is needed for the fizzy balloon. (a) False (b) True
16. 16.🧺 Which of these is needed for the fizzy balloon? (a) baking soda (b) a battery cell (c) sugar (d) a seed
17. 17.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it turns blue (b) it shrinks (c) it grows bigger (d) there is no change
18. 18.True or false: plain water is a base. (a) False (b) True
19. 19.🔍 Which is the odd one out? (a) sugar water (b) salt water (c) detergent water (d) plain water
20. 20.True or false: a magnet is needed for the fizzy balloon. (a) True (b) False
21. 21.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the same bottle (b) spoons of baking soda (c) size of the balloon
22. 22.True or false: orange juice is a base. (a) False (b) True
23. 23.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is the one thing we change. (a) False (b) True
24. 24.🫧 Which of these is neutral? (a) tamarind water (b) soap solution (c) sugar water (d) baking soda water
25. 25.🛟 Which safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) put it in your mouth (c) seal it in a glass jar (d) shake it near your face
26. 26.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a magnet (c) sugar (d) a funnel or spoon
27. 27.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the amount of vinegar (b) size of the balloon (c) the kind of balloon (d) the same bottle
28. 28.🧺 Which of these is needed for the fizzy balloon? (a) vinegar (b) a battery cell (c) a comb (d) a mirror
29. 29.🎈 Why does the balloon blow up? (a) gas is made inside (b) vinegar is hot (c) the bottle shrinks (d) outside air gets in
30. 30.True or false: sugar is not needed for the fizzy balloon. (a) False (b) True
31. 31.🫧 Is detergent water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
32. 32.⚖️ 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) the same bottle (d) spoons of baking soda
33. 33.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) baking soda (c) vinegar (d) a mirror
34. 34.⚖️ 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
35. 35.⚖️ 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
36. 36.True or false: orange juice is an acid. (a) False (b) True
37. 37.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a tray for spills (c) a battery cell (d) a seed
38. 38.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is what we measure. (a) False (b) True
39. 39.🫧 Which of these is a base? (a) soap solution (b) vinegar (c) lemon juice (d) orange juice
40. 40.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) a battery cell (c) an empty bottle (d) a balloon

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