Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 984 · 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 safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) put it in your mouth (c) shake it near your face (d) keep it away from eyes
2. 2.🫧 Is baking soda water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
3. 3.True or false: a magnet is not needed for the fizzy balloon. (a) False (b) True
4. 4.🫧 Which of these is an acid? (a) sugar water (b) plain water (c) soap solution (d) lemon juice
5. 5.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a seed (c) a funnel or spoon (d) baking soda
6. 6.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a comb (b) a funnel or spoon (c) baking soda (d) vinegar
7. 7.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) rinse with clean water (c) add baking soda (d) rub it hard
8. 8.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a balloon (c) sugar (d) a seed
9. 9.⚖️ 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
10. 10.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) sugar (c) vinegar (d) a comb
11. 11.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
12. 12.🔮 The fizzing stops after a while. Why? (a) the balloon got cold (b) an ingredient ran out (c) the gas froze (d) the bottle got tired
13. 13.True or false: vinegar is not needed for the fizzy balloon. (a) True (b) False
14. 14.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) baking soda (c) an empty bottle (d) a magnet
15. 15.True or false: a battery cell is needed for the fizzy balloon. (a) False (b) True
16. 16.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
17. 17.🫧 Is salt water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
18. 18.True or false: a magnet is needed for the fizzy balloon. (a) False (b) True
19. 19.⚖️ 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 same bottle (c) spoons of baking soda
20. 20.True or false: lemon juice is a base. (a) False (b) True
21. 21.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a mirror (b) baking soda (c) vinegar (d) a balloon
22. 22.🎈 Why does the balloon blow up? (a) the bottle shrinks (b) vinegar is hot (c) gas is made inside (d) outside air gets in
23. 23.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the same bottle (b) size of the balloon (c) the kind of balloon (d) spoons of baking soda
24. 24.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is kept the same. (a) True (b) False
25. 25.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) needed (b) not needed
26. 26.🫧 Which of these is a base? (a) orange juice (b) sugar water (c) lemon juice (d) detergent water
27. 27.⚖️ 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
28. 28.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a magnet (c) a tray for spills (d) a mirror
29. 29.⚖️ 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
30. 30.⚖️ 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 kind of balloon (c) spoons of baking soda
31. 31.🫧 Which of these is neutral? (a) orange juice (b) baking soda water (c) tamarind water (d) salt water
32. 32.🫧 Which of these is an acid? (a) detergent water (b) sugar water (c) vinegar (d) baking soda water
33. 33.📘 Is the fizzing a sign that a new substance is made? (a) no, nothing changes (b) yes, a new gas forms (c) it is only melting (d) it is only dissolving
34. 34.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) helium (c) carbon dioxide (d) hydrogen
35. 35.🔍 Which is the odd one out? (a) plain water (b) salt water (c) sugar water (d) soap solution
36. 36.🧺 Which of these is not needed for the fizzy balloon? (a) a magnet (b) a balloon (c) baking soda (d) a tray for spills
37. 37.⚖️ 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 same bottle (d) the kind of balloon
38. 38.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) sugar (c) a funnel or spoon (d) baking soda
39. 39.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they freeze (b) they react (c) they become magnets (d) they float apart
40. 40.True or false: a comb is not needed for the fizzy balloon. (a) False (b) True

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