Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 189 · 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: a seed is needed for the fizzy balloon. (a) True (b) False
2. 2.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) a battery cell (c) a tray for spills (d) vinegar
3. 3.🧺 Do we need vinegar for the fizzy balloon? (a) needed (b) not needed
4. 4.🔮 The fizzing stops after a while. Why? (a) the balloon got cold (b) the gas froze (c) the bottle got tired (d) an ingredient ran out
5. 5.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) baking soda (c) sugar (d) a comb
6. 6.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a funnel or spoon (c) vinegar (d) a magnet
7. 7.🧺 Which of these is needed for the fizzy balloon? (a) vinegar (b) a battery cell (c) a mirror (d) a seed
8. 8.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we measure it (b) we change it (c) we keep it the same
9. 9.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) keep it away from eyes (c) seal it in a glass jar (d) shake it near your face
10. 10.🫧 Is sugar water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
11. 11.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
12. 12.🛟 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
13. 13.True or false: soap solution is neutral. (a) False (b) True
14. 14.🫧 What do you see when baking soda meets vinegar? (a) it glows in the dark (b) lots of fizzy bubbles (c) nothing at all (d) it turns to ice
15. 15.🔍 Which is the odd one out? (a) soap solution (b) baking soda water (c) plain water (d) detergent water
16. 16.🫧 Which of these is neutral? (a) plain water (b) curd (c) lemon juice (d) vinegar
17. 17.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is the one thing we change. (a) True (b) False
18. 18.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is kept the same. (a) True (b) False
19. 19.📘 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
20. 20.📘 Is the fizzing a sign that a new substance is made? (a) no, nothing changes (b) it is only dissolving (c) yes, a new gas forms (d) it is only melting
21. 21.🧺 Do we need a battery cell for the fizzy balloon? (a) needed (b) not needed
22. 22.🎈 Why does the balloon blow up? (a) gas is made inside (b) outside air gets in (c) vinegar is hot (d) the bottle shrinks
23. 23.🧺 Do we need a mirror for the fizzy balloon? (a) needed (b) not needed
24. 24.True or false: a comb is needed for the fizzy balloon. (a) True (b) False
25. 25.🔍 Which is the odd one out? (a) salt water (b) baking soda water (c) soap solution (d) detergent water
26. 26.🫧 Which of these is a base? (a) orange juice (b) plain water (c) sugar water (d) baking soda water
27. 27.🫧 Which of these is a base? (a) soap solution (b) lemon juice (c) sugar water (d) vinegar
28. 28.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) carbon dioxide (c) hydrogen (d) helium
29. 29.🔍 Which is the odd one out? (a) lemon juice (b) orange juice (c) curd (d) sugar water
30. 30.🧺 Which of these is needed for the fizzy balloon? (a) a balloon (b) a comb (c) a seed (d) a battery cell
31. 31.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we change it (b) we measure it (c) we keep it the same
32. 32.🧺 Which of these is not needed for the fizzy balloon? (a) a seed (b) a funnel or spoon (c) a tray for spills (d) a balloon
33. 33.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) vinegar (c) a balloon (d) a battery cell
34. 34.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
35. 35.True or false: a balloon is not needed for the fizzy balloon. (a) True (b) False
36. 36.🔍 Which is the odd one out? (a) plain water (b) sugar water (c) salt water (d) detergent water
37. 37.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
38. 38.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a mirror (c) baking soda (d) a funnel or spoon
39. 39.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) baking soda (c) a balloon (d) a comb
40. 40.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the amount of vinegar (b) the same bottle (c) size of the balloon (d) spoons of baking soda

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