Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 756 · 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.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is what we measure. (a) True (b) False
2. 2.⚖️ 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 change it (c) we keep it the same
3. 3.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the kind of balloon (b) size of the balloon (c) spoons of baking soda (d) the same bottle
4. 4.True or false: a balloon is not needed for the fizzy balloon. (a) False (b) True
5. 5.⚖️ 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 keep it the same (c) we change it
6. 6.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a balloon (c) a battery cell (d) a comb
7. 7.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a tray for spills (c) a funnel or spoon (d) a mirror
8. 8.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a balloon (c) vinegar (d) a seed
9. 9.True or false: tamarind water is an acid. (a) False (b) True
10. 10.📘 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
11. 11.🔍 Which is the odd one out? (a) baking soda water (b) vinegar (c) orange juice (d) tamarind water
12. 12.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) vinegar (c) a battery cell (d) a mirror
13. 13.True or false: a magnet is needed for the fizzy balloon. (a) True (b) False
14. 14.🔮 The fizzing stops after a while. Why? (a) an ingredient ran out (b) the gas froze (c) the bottle got tired (d) the balloon got cold
15. 15.⚖️ 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
16. 16.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) needed (b) not needed
17. 17.True or false: curd is an acid. (a) True (b) False
18. 18.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) helium (b) hydrogen (c) carbon dioxide (d) oxygen
19. 19.🧺 Do we need a magnet for the fizzy balloon? (a) needed (b) not needed
20. 20.🛟 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
21. 21.⚖️ 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) size of the balloon (c) the same bottle (d) the kind of balloon
22. 22.🔍 Which is the odd one out? (a) soap solution (b) baking soda water (c) salt water (d) detergent water
23. 23.🔮 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
24. 24.True or false: baking soda water is a base. (a) True (b) False
25. 25.🫧 Which of these is a base? (a) curd (b) detergent water (c) vinegar (d) lemon juice
26. 26.🔮 Predict: you use plain water instead of vinegar. What happens? (a) very little fizzing (b) the balloon bursts (c) a huge eruption (d) it turns to honey
27. 27.True or false: vinegar is needed for the fizzy balloon. (a) False (b) True
28. 28.🎈 Why does the balloon blow up? (a) vinegar is hot (b) outside air gets in (c) the bottle shrinks (d) gas is made inside
29. 29.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) size of the balloon (b) spoons of baking soda (c) the kind of balloon
30. 30.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a tray for spills (c) baking soda (d) a seed
31. 31.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is what we measure. (a) True (b) False
32. 32.⚖️ 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
33. 33.⚖️ 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 same bottle
34. 34.🫧 Is soap solution an acid, a base or neutral? (a) an acid (b) neutral (c) a base
35. 35.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
36. 36.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) it glows in the dark (c) it turns to ice (d) lots of fizzy bubbles
37. 37.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is what we measure. (a) False (b) True
38. 38.🫧 Which of these is an acid? (a) plain water (b) baking soda water (c) soap solution (d) tamarind water
39. 39.🫧 Which of these is neutral? (a) baking soda water (b) tamarind water (c) plain water (d) lemon juice
40. 40.⚖️ 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

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