Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 824 · 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 not needed for the fizzy balloon? (a) a funnel or spoon (b) baking soda (c) an empty bottle (d) a magnet
2. 2.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) a balloon (c) vinegar (d) a comb
3. 3.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) rinse with clean water (c) add baking soda (d) ignore it
4. 4.True or false: curd is neutral. (a) False (b) True
5. 5.🫧 Is curd an acid, a base or neutral? (a) neutral (b) an acid (c) a base
6. 6.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we measure it (b) we change it (c) we keep it the same
7. 7.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a comb (c) a seed (d) a funnel or spoon
8. 8.True or false: vinegar is an acid. (a) True (b) False
9. 9.True or false: baking soda is not needed for the fizzy balloon. (a) True (b) False
10. 10.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) sugar (c) a balloon (d) a comb
11. 11.🔍 Which is the odd one out? (a) plain water (b) orange juice (c) salt water (d) sugar water
12. 12.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a magnet (c) an empty bottle (d) a balloon
13. 13.🫧 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
14. 14.🫧 Which of these is neutral? (a) vinegar (b) sugar water (c) baking soda water (d) detergent water
15. 15.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
16. 16.🫧 Which of these is neutral? (a) detergent water (b) lemon juice (c) salt water (d) vinegar
17. 17.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) spoons of baking soda (b) size of the balloon (c) the amount of vinegar
18. 18.True or false: salt water is neutral. (a) True (b) False
19. 19.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is the one thing we change. (a) False (b) True
20. 20.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they react (b) they freeze (c) they float apart (d) they become magnets
21. 21.True or false: a comb is needed for the fizzy balloon. (a) True (b) False
22. 22.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) spoons of baking soda (b) the kind of balloon (c) the same bottle (d) the amount of vinegar
23. 23.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) hydrogen (b) helium (c) carbon dioxide (d) oxygen
24. 24.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a mirror (c) vinegar (d) a comb
25. 25.🫧 Is plain water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
26. 26.True or false: an empty bottle is needed for the fizzy balloon. (a) True (b) False
27. 27.🫧 Is vinegar an acid, a base or neutral? (a) an acid (b) neutral (c) a base
28. 28.🫧 Is orange juice an acid, a base or neutral? (a) neutral (b) an acid (c) a base
29. 29.True or false: a magnet is not needed for the fizzy balloon. (a) False (b) True
30. 30.True or false: vinegar is not needed for the fizzy balloon. (a) True (b) False
31. 31.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) keep it away from eyes (c) shake it near your face (d) seal it in a glass jar
32. 32.True or false: orange juice is an acid. (a) False (b) True
33. 33.🔍 Which is the odd one out? (a) detergent water (b) baking soda water (c) soap solution (d) sugar water
34. 34.🧺 Which of these is not needed for the fizzy balloon? (a) a seed (b) a funnel or spoon (c) a balloon (d) a tray for spills
35. 35.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we keep it the same (b) we change it (c) we measure it
36. 36.True or false: vinegar is needed for the fizzy balloon. (a) True (b) False
37. 37.True or false: sugar water is neutral. (a) True (b) False
38. 38.🔍 Which is the odd one out? (a) detergent water (b) plain water (c) sugar water (d) salt water
39. 39.📘 Is the fizzing a sign that a new substance is made? (a) it is only dissolving (b) it is only melting (c) yes, a new gas forms (d) no, nothing changes
40. 40.🔍 Which is the odd one out? (a) lemon juice (b) vinegar (c) salt water (d) orange juice

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