Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 672 · 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? What do we do with “the amount of vinegar”? (a) we measure it (b) we change it (c) we keep it the same
2. 2.🫧 Which of these is neutral? (a) sugar water (b) vinegar (c) soap solution (d) lemon juice
3. 3.🔍 Which is the odd one out? (a) salt water (b) sugar water (c) plain water (d) baking soda water
4. 4.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is kept the same. (a) True (b) False
5. 5.True or false: a comb is not needed for the fizzy balloon. (a) False (b) True
6. 6.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) an empty bottle (c) a funnel or spoon (d) sugar
7. 7.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the amount of vinegar (b) spoons of baking soda (c) the same bottle (d) size of the balloon
8. 8.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) hydrogen (b) helium (c) oxygen (d) carbon dioxide
9. 9.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we change it (b) we keep it the same (c) we measure it
10. 10.🫧 Which of these is a base? (a) baking soda water (b) lemon juice (c) orange juice (d) vinegar
11. 11.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) needed (b) not needed
12. 12.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a mirror (c) sugar (d) a funnel or spoon
13. 13.⚖️ 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 measure it (c) we change it
14. 14.🧺 Do we need a tray for spills for the fizzy balloon? (a) needed (b) not needed
15. 15.🫧 Is baking soda water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
16. 16.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) there is no change (c) it grows bigger (d) it turns blue
17. 17.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they freeze (b) they become magnets (c) they float apart (d) they react
18. 18.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) the balloon got cold (c) an ingredient ran out (d) the gas froze
19. 19.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) baking soda (c) vinegar (d) a mirror
20. 20.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) baking soda (c) sugar (d) a tray for spills
21. 21.🧺 Do we need a battery cell for the fizzy balloon? (a) not needed (b) needed
22. 22.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a magnet (c) a funnel or spoon (d) a tray for spills
23. 23.True or false: a seed is not needed for the fizzy balloon. (a) True (b) False
24. 24.🎈 Why does the balloon blow up? (a) outside air gets in (b) gas is made inside (c) the bottle shrinks (d) vinegar is hot
25. 25.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a battery cell (b) a funnel or spoon (c) baking soda (d) a balloon
26. 26.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) baking soda (c) an empty bottle (d) a seed
27. 27.True or false: vinegar is needed for the fizzy balloon. (a) True (b) False
28. 28.True or false: soap solution is neutral. (a) True (b) False
29. 29.⚖️ 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) True (b) False
30. 30.True or false: a mirror is needed for the fizzy balloon. (a) True (b) False
31. 31.True or false: a seed is needed for the fizzy balloon. (a) False (b) True
32. 32.🛟 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
33. 33.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
34. 34.🫧 Which of these is an acid? (a) vinegar (b) salt water (c) plain water (d) soap solution
35. 35.📘 Is the fizzing a sign that a new substance is made? (a) it is only dissolving (b) yes, a new gas forms (c) no, nothing changes (d) it is only melting
36. 36.🫧 Which of these is a base? (a) orange juice (b) lemon juice (c) tamarind water (d) soap solution
37. 37.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a balloon (c) a mirror (d) a comb
38. 38.True or false: a battery cell is not needed for the fizzy balloon. (a) False (b) True
39. 39.True or false: sugar is not needed for the fizzy balloon. (a) False (b) True
40. 40.True or false: orange juice is an acid. (a) False (b) True

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