Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 909 · 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 of these is an acid? (a) salt water (b) plain water (c) vinegar (d) detergent water
2. 2.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) sugar (c) a mirror (d) vinegar
3. 3.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) baking soda (c) a magnet (d) an empty bottle
4. 4.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) seal it in a glass jar (c) keep it away from eyes (d) shake it near your face
5. 5.🫧 Which of these is an acid? (a) soap solution (b) tamarind water (c) baking soda water (d) plain water
6. 6.🫧 Is salt water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
7. 7.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a battery cell (b) baking soda (c) a tray for spills (d) a balloon
8. 8.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
9. 9.🫧 Is detergent water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
10. 10.True or false: a battery cell is not needed for the fizzy balloon. (a) True (b) False
11. 11.True or false: baking soda is needed for the fizzy balloon. (a) True (b) False
12. 12.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
13. 13.True or false: tamarind water is neutral. (a) True (b) False
14. 14.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) size of the balloon (b) spoons of baking soda (c) the amount of vinegar (d) the same bottle
15. 15.True or false: plain water is a base. (a) True (b) False
16. 16.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) hydrogen (b) carbon dioxide (c) oxygen (d) helium
17. 17.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a comb (b) a balloon (c) an empty bottle (d) vinegar
18. 18.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) an empty bottle (c) a comb (d) sugar
19. 19.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) there is no change (c) it turns blue (d) it grows bigger
20. 20.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
21. 21.🫧 Which of these is a base? (a) salt water (b) baking soda water (c) vinegar (d) lemon juice
22. 22.True or false: a tray for spills is needed for the fizzy balloon. (a) False (b) True
23. 23.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) it glows in the dark (c) lots of fizzy bubbles (d) it turns to ice
24. 24.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) a magnet (c) a funnel or spoon (d) an empty bottle
25. 25.🎈 Why does the balloon blow up? (a) the bottle shrinks (b) outside air gets in (c) vinegar is hot (d) gas is made inside
26. 26.⚖️ 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
27. 27.🧺 Do we need a tray for spills for the fizzy balloon? (a) needed (b) not needed
28. 28.🔍 Which is the odd one out? (a) detergent water (b) orange juice (c) soap solution (d) baking soda water
29. 29.🫧 Is vinegar an acid, a base or neutral? (a) neutral (b) an acid (c) a base
30. 30.True or false: a battery cell is needed for the fizzy balloon. (a) True (b) False
31. 31.🔍 Which is the odd one out? (a) plain water (b) baking soda water (c) detergent water (d) soap solution
32. 32.🔍 Which is the odd one out? (a) salt water (b) baking soda water (c) plain water (d) sugar water
33. 33.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a balloon (c) a mirror (d) a magnet
34. 34.🫧 Which of these is an acid? (a) plain water (b) baking soda water (c) sugar water (d) lemon juice
35. 35.⚖️ 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
36. 36.🛟 What should you do if vinegar splashes in your eye? (a) rinse with clean water (b) ignore it (c) add baking soda (d) rub it hard
37. 37.True or false: a balloon is needed for the fizzy balloon. (a) False (b) True
38. 38.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) an empty bottle (c) a comb (d) baking soda
39. 39.🫧 Is lemon juice an acid, a base or neutral? (a) neutral (b) an acid (c) a base
40. 40.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) vinegar (c) baking soda (d) a mirror

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