Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 144 · 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.True or false: an empty bottle is needed for the fizzy balloon. (a) False (b) True
2. 2.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) it turns to honey (c) the balloon bursts (d) very little fizzing
3. 3.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) carbon dioxide (b) hydrogen (c) helium (d) oxygen
4. 4.True or false: sugar is not needed for the fizzy balloon. (a) True (b) False
5. 5.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a battery cell (b) baking soda (c) a tray for spills (d) a funnel or spoon
6. 6.🫧 Is baking soda water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
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) size of the balloon (c) the kind of balloon (d) spoons of baking soda
8. 8.🫧 Is soap solution an acid, a base or neutral? (a) a base (b) neutral (c) an acid
9. 9.🫧 Is sugar water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
10. 10.⚖️ 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) True (b) False
11. 11.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a seed (b) baking soda (c) an empty bottle (d) vinegar
12. 12.True or false: a comb is needed for the fizzy balloon. (a) True (b) False
13. 13.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) keep it away from eyes (c) put it in your mouth (d) seal it in a glass jar
14. 14.🎈 Why does the balloon blow up? (a) gas is made inside (b) vinegar is hot (c) the bottle shrinks (d) outside air gets in
15. 15.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is what we measure. (a) False (b) True
16. 16.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) size of the balloon (b) the amount of vinegar (c) spoons of baking soda
17. 17.True or false: curd is an acid. (a) False (b) True
18. 18.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) a funnel or spoon (c) sugar (d) an empty bottle
19. 19.True or false: sugar water is neutral. (a) False (b) True
20. 20.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we keep it the same (b) we measure it (c) we change it
21. 21.True or false: vinegar is needed for the fizzy balloon. (a) False (b) True
22. 22.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
23. 23.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) sugar (c) a tray for spills (d) an empty bottle
24. 24.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is the one thing we change. (a) True (b) False
25. 25.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the kind of balloon (b) the amount of vinegar (c) spoons of baking soda (d) size of the balloon
26. 26.🛟 What should you do if vinegar splashes in your eye? (a) rinse with clean water (b) rub it hard (c) add baking soda (d) ignore it
27. 27.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a mirror (c) a tray for spills (d) sugar
28. 28.True or false: plain water is neutral. (a) True (b) False
29. 29.True or false: vinegar is not needed for the fizzy balloon. (a) False (b) True
30. 30.🫧 Is orange juice an acid, a base or neutral? (a) neutral (b) an acid (c) a base
31. 31.🫧 Which of these is neutral? (a) lemon juice (b) salt water (c) vinegar (d) tamarind water
32. 32.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) baking soda (c) an empty bottle (d) a comb
33. 33.🫧 Which of these is a base? (a) lemon juice (b) orange juice (c) baking soda water (d) salt water
34. 34.True or false: orange juice is an acid. (a) True (b) False
35. 35.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) baking soda (c) vinegar (d) a battery cell
36. 36.True or false: a battery cell is not needed for the fizzy balloon. (a) True (b) False
37. 37.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) vinegar (c) a magnet (d) sugar
38. 38.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) vinegar (c) a mirror (d) a balloon
39. 39.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
40. 40.⚖️ 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

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