Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 859 · 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.⚖️ 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
3. 3.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) the balloon bursts (c) it turns to honey (d) very little fizzing
4. 4.True or false: curd is an acid. (a) False (b) True
5. 5.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) keep it away from eyes (c) put it in your mouth (d) shake it near your face
6. 6.True or false: lemon juice is neutral. (a) True (b) False
7. 7.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a seed (b) an empty bottle (c) vinegar (d) baking soda
8. 8.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
9. 9.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) an empty bottle (c) a balloon (d) a magnet
10. 10.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a mirror (b) an empty bottle (c) baking soda (d) a balloon
11. 11.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the kind of balloon (b) spoons of baking soda (c) size of the balloon
12. 12.🫧 Which of these is neutral? (a) orange juice (b) salt water (c) detergent water (d) tamarind water
13. 13.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
14. 14.🫧 Which of these is neutral? (a) curd (b) detergent water (c) tamarind water (d) plain water
15. 15.True or false: vinegar is needed for the fizzy balloon. (a) True (b) False
16. 16.🫧 Is salt water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
17. 17.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) a mirror (c) a balloon (d) a funnel or spoon
18. 18.🔮 The fizzing stops after a while. Why? (a) the gas froze (b) the bottle got tired (c) the balloon got cold (d) an ingredient ran out
19. 19.⚖️ 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
20. 20.True or false: an empty bottle is not needed for the fizzy balloon. (a) False (b) True
21. 21.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) hydrogen (b) carbon dioxide (c) oxygen (d) helium
22. 22.🔍 Which is the odd one out? (a) salt water (b) plain water (c) baking soda water (d) sugar water
23. 23.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) add baking soda (c) rinse with clean water (d) ignore it
24. 24.True or false: vinegar is neutral. (a) True (b) False
25. 25.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is kept the same. (a) False (b) True
26. 26.⚖️ 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
27. 27.True or false: a battery cell is needed for the fizzy balloon. (a) True (b) False
28. 28.True or false: orange juice is an acid. (a) False (b) True
29. 29.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
30. 30.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) vinegar (c) a magnet (d) a seed
31. 31.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a magnet (c) a seed (d) a tray for spills
32. 32.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) it grows bigger (c) there is no change (d) it turns blue
33. 33.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) baking soda (c) a tray for spills (d) sugar
34. 34.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they float apart (b) they freeze (c) they react (d) they become magnets
35. 35.⚖️ 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 amount of vinegar (c) spoons of baking soda (d) the kind of balloon
36. 36.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we keep it the same (b) we measure it (c) we change it
37. 37.True or false: a magnet is not needed for the fizzy balloon. (a) False (b) True
38. 38.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a battery cell (c) a mirror (d) a funnel or spoon
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.True or false: a comb is needed for the fizzy balloon. (a) True (b) False

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