Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 208 · 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.🧺 Do we need a battery cell for the fizzy balloon? (a) needed (b) not needed
2. 2.⚖️ 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
3. 3.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we keep it the same (b) we measure it (c) we change it
4. 4.🫧 Which of these is a base? (a) sugar water (b) vinegar (c) soap solution (d) tamarind water
5. 5.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) an empty bottle (c) a balloon (d) sugar
6. 6.🛟 What should you do if vinegar splashes in your eye? (a) rinse with clean water (b) ignore it (c) add baking soda (d) rub it hard
7. 7.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the same bottle (b) the kind of balloon (c) size of the balloon (d) the amount of vinegar
8. 8.🧺 Do we need a comb for the fizzy balloon? (a) not needed (b) needed
9. 9.🔍 Which is the odd one out? (a) vinegar (b) curd (c) baking soda water (d) lemon juice
10. 10.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we change it (b) we measure it (c) we keep it the same
11. 11.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) carbon dioxide (c) helium (d) hydrogen
12. 12.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is kept the same. (a) True (b) False
13. 13.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a funnel or spoon (c) a seed (d) a battery cell
14. 14.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) it turns blue (c) there is no change (d) it grows bigger
15. 15.🫧 Is curd an acid, a base or neutral? (a) neutral (b) an acid (c) a base
16. 16.🫧 What do you see when baking soda meets vinegar? (a) it glows in the dark (b) it turns to ice (c) nothing at all (d) lots of fizzy bubbles
17. 17.🫧 Which of these is a base? (a) detergent water (b) salt water (c) lemon juice (d) vinegar
18. 18.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is the one thing we change. (a) False (b) True
19. 19.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) False (b) True
20. 20.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a comb (c) a tray for spills (d) an empty bottle
21. 21.📘 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
22. 22.🎈 Why does the balloon blow up? (a) vinegar is hot (b) the bottle shrinks (c) outside air gets in (d) gas is made inside
23. 23.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) very little fizzing (c) a huge eruption (d) the balloon bursts
24. 24.🫧 Is salt water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
25. 25.🫧 Is orange juice an acid, a base or neutral? (a) neutral (b) a base (c) an acid
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 battery cell (d) baking soda
27. 27.🫧 Which of these is neutral? (a) baking soda water (b) curd (c) salt water (d) lemon juice
28. 28.🔮 The fizzing stops after a while. Why? (a) the gas froze (b) the balloon got cold (c) the bottle got tired (d) an ingredient ran out
29. 29.🔍 Which is the odd one out? (a) vinegar (b) soap solution (c) lemon juice (d) tamarind water
30. 30.📘 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
31. 31.⚖️ 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
32. 32.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
33. 33.True or false: a balloon is needed for the fizzy balloon. (a) False (b) True
34. 34.True or false: vinegar is not needed for the fizzy balloon. (a) True (b) False
35. 35.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a magnet (b) an empty bottle (c) a balloon (d) vinegar
36. 36.True or false: a mirror is not needed for the fizzy balloon. (a) True (b) False
37. 37.⚖️ 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
38. 38.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a mirror (c) a tray for spills (d) a balloon
39. 39.True or false: plain water is neutral. (a) False (b) True
40. 40.True or false: a tray for spills is not needed for the fizzy balloon. (a) True (b) False

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