Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 240 · 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 needed for the fizzy balloon? (a) a magnet (b) a battery cell (c) a balloon (d) a mirror
2. 2.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) hydrogen (b) oxygen (c) carbon dioxide (d) helium
3. 3.🫧 What do you see when baking soda meets vinegar? (a) it turns to ice (b) lots of fizzy bubbles (c) nothing at all (d) it glows in the dark
4. 4.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
5. 5.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) spoons of baking soda (b) the kind of balloon (c) size of the balloon
6. 6.⚖️ 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
7. 7.True or false: baking soda water is a base. (a) False (b) True
8. 8.🫧 Which of these is a base? (a) lemon juice (b) plain water (c) baking soda water (d) salt water
9. 9.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) ignore it (c) add baking soda (d) rinse with clean water
10. 10.🧺 Do we need a battery cell for the fizzy balloon? (a) not needed (b) needed
11. 11.🛟 Which safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) put it in your mouth (c) shake it near your face (d) seal it in a glass jar
12. 12.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is kept the same. (a) False (b) True
13. 13.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a balloon (c) a magnet (d) a tray for spills
14. 14.True or false: an empty bottle is needed for the fizzy balloon. (a) True (b) False
15. 15.📘 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
16. 16.🧺 Which of these is not needed for the fizzy balloon? (a) a magnet (b) a funnel or spoon (c) a tray for spills (d) vinegar
17. 17.True or false: a battery cell is not needed for the fizzy balloon. (a) False (b) True
18. 18.🫧 Which of these is an acid? (a) plain water (b) salt water (c) vinegar (d) detergent water
19. 19.🔍 Which is the odd one out? (a) lemon juice (b) tamarind water (c) plain water (d) vinegar
20. 20.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a tray for spills (c) baking soda (d) sugar
21. 21.True or false: a funnel or spoon is needed for the fizzy balloon. (a) False (b) True
22. 22.🫧 Is baking soda water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
23. 23.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we measure it (b) we keep it the same (c) we change it
24. 24.⚖️ 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 kind of balloon
25. 25.⚖️ 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
26. 26.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) an empty bottle (c) a balloon (d) a battery cell
27. 27.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) the balloon bursts (c) very little fizzing (d) a huge eruption
28. 28.⚖️ 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) the kind of balloon (c) spoons of baking soda (d) size of the balloon
29. 29.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) vinegar (c) an empty bottle (d) a mirror
30. 30.🔍 Which is the odd one out? (a) salt water (b) plain water (c) detergent water (d) sugar water
31. 31.🧺 Do we need sugar for the fizzy balloon? (a) not needed (b) needed
32. 32.🫧 Is tamarind water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
33. 33.True or false: sugar water is neutral. (a) False (b) True
34. 34.🔮 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
35. 35.True or false: vinegar is neutral. (a) True (b) False
36. 36.⚖️ 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
37. 37.🔍 Which is the odd one out? (a) tamarind water (b) plain water (c) salt water (d) sugar water
38. 38.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
39. 39.⚖️ 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
40. 40.🫧 Which of these is neutral? (a) vinegar (b) tamarind water (c) curd (d) salt water

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