Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 566 · 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.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it grows bigger (b) it turns blue (c) it shrinks (d) there is no change
2. 2.True or false: baking soda is needed for the fizzy balloon. (a) False (b) True
3. 3.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) sugar (c) a battery cell (d) an empty bottle
4. 4.🫧 Is sugar water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
5. 5.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) lots of fizzy bubbles (c) it turns to ice (d) it glows in the dark
6. 6.⚖️ 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) False (b) True
7. 7.True or false: a balloon is not needed for the fizzy balloon. (a) True (b) False
8. 8.🫧 Is salt water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
9. 9.🧺 Do we need a seed for the fizzy balloon? (a) needed (b) not needed
10. 10.True or false: sugar water is a base. (a) True (b) False
11. 11.⚖️ 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 kind of balloon (c) spoons of baking soda (d) the same bottle
12. 12.True or false: a seed is not needed for the fizzy balloon. (a) True (b) False
13. 13.🫧 Is tamarind water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
14. 14.🧺 Do we need vinegar for the fizzy balloon? (a) needed (b) not needed
15. 15.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) carbon dioxide (b) hydrogen (c) helium (d) oxygen
16. 16.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a tray for spills (c) a seed (d) sugar
17. 17.⚖️ 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
18. 18.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) seal it in a glass jar (c) keep it away from eyes (d) shake it near your face
19. 19.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is kept the same. (a) False (b) True
20. 20.🔍 Which is the odd one out? (a) lemon juice (b) plain water (c) salt water (d) sugar water
21. 21.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) sugar (c) a mirror (d) vinegar
22. 22.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a magnet (c) a balloon (d) baking soda
23. 23.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a battery cell (c) a funnel or spoon (d) a mirror
24. 24.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is kept the same. (a) False (b) True
25. 25.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we measure it (b) we change it (c) we keep it the same
26. 26.True or false: a battery cell is not needed for the fizzy balloon. (a) False (b) True
27. 27.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we measure it (b) we change it (c) we keep it the same
28. 28.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is kept the same. (a) True (b) False
29. 29.🔍 Which is the odd one out? (a) salt water (b) vinegar (c) sugar water (d) plain water
30. 30.🫧 Which of these is a base? (a) sugar water (b) baking soda water (c) lemon juice (d) orange juice
31. 31.🎈 Why does the balloon blow up? (a) outside air gets in (b) the bottle shrinks (c) vinegar is hot (d) gas is made inside
32. 32.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) rinse with clean water (c) add baking soda (d) ignore it
33. 33.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) size of the balloon (b) the amount of vinegar (c) spoons of baking soda (d) the kind of balloon
34. 34.⚖️ 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 amount of vinegar
35. 35.🧺 Do we need a mirror for the fizzy balloon? (a) needed (b) not needed
36. 36.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a balloon (c) a tray for spills (d) a comb
37. 37.🫧 Which of these is neutral? (a) soap solution (b) sugar water (c) curd (d) baking soda water
38. 38.True or false: a mirror is not needed for the fizzy balloon. (a) True (b) False
39. 39.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a balloon (c) vinegar (d) a battery cell
40. 40.⚖️ 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 kind of balloon

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