Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 457 · 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.🫧 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
2. 2.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) seal it in a glass jar (c) put it in your mouth (d) keep it away from eyes
3. 3.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
4. 4.📘 Is the fizzing a sign that a new substance is made? (a) it is only melting (b) yes, a new gas forms (c) it is only dissolving (d) no, nothing changes
5. 5.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they float apart (b) they become magnets (c) they freeze (d) they react
6. 6.True or false: a comb is not needed for the fizzy balloon. (a) False (b) True
7. 7.True or false: lemon juice is a base. (a) False (b) True
8. 8.⚖️ 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 change it (c) we keep it the same
9. 9.🔍 Which is the odd one out? (a) soap solution (b) baking soda water (c) salt water (d) detergent water
10. 10.True or false: a mirror is not needed for the fizzy balloon. (a) True (b) False
11. 11.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) rub it hard (c) rinse with clean water (d) add baking soda
12. 12.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we change it (b) we measure it (c) we keep it the same
13. 13.🔮 The fizzing stops after a while. Why? (a) the balloon got cold (b) the gas froze (c) an ingredient ran out (d) the bottle got tired
14. 14.True or false: a balloon is needed for the fizzy balloon. (a) False (b) True
15. 15.True or false: a magnet is needed for the fizzy balloon. (a) True (b) False
16. 16.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we change it (b) we measure it (c) we keep it the same
17. 17.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it grows bigger (b) there is no change (c) it turns blue (d) it shrinks
18. 18.⚖️ 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) spoons of baking soda (c) the same bottle (d) size of the balloon
19. 19.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) baking soda (c) a seed (d) an empty bottle
20. 20.🔍 Which is the odd one out? (a) detergent water (b) salt water (c) sugar water (d) plain water
21. 21.🔍 Which is the odd one out? (a) plain water (b) salt water (c) sugar water (d) baking soda water
22. 22.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) size of the balloon (b) the amount of vinegar (c) spoons of baking soda
23. 23.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a mirror (c) baking soda (d) a balloon
24. 24.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
25. 25.🔍 Which is the odd one out? (a) lemon juice (b) soap solution (c) detergent water (d) baking soda water
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) False (b) True
27. 27.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a battery cell (c) a mirror (d) a balloon
28. 28.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a comb (c) a battery cell (d) an empty bottle
29. 29.⚖️ 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
30. 30.⚖️ 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 kind of balloon (c) the same bottle (d) spoons of baking soda
31. 31.🫧 Is detergent water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
32. 32.🎈 Why does the balloon blow up? (a) gas is made inside (b) the bottle shrinks (c) outside air gets in (d) vinegar is hot
33. 33.True or false: baking soda water is an acid. (a) True (b) False
34. 34.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) False (b) True
35. 35.🧺 Do we need a magnet for the fizzy balloon? (a) needed (b) not needed
36. 36.🫧 Which of these is neutral? (a) salt water (b) orange juice (c) detergent water (d) soap solution
37. 37.True or false: a tray for spills is not needed for the fizzy balloon. (a) False (b) True
38. 38.🫧 Which of these is an acid? (a) soap solution (b) salt water (c) lemon juice (d) plain water
39. 39.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a funnel or spoon (c) baking soda (d) sugar
40. 40.🫧 Which of these is an acid? (a) soap solution (b) curd (c) sugar water (d) detergent water

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