Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 272 · 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 amount of vinegar is kept the same. (a) True (b) False
2. 2.⚖️ 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
3. 3.🫧 What do you see when baking soda meets vinegar? (a) lots of fizzy bubbles (b) nothing at all (c) it glows in the dark (d) it turns to ice
4. 4.🫧 Is soap solution an acid, a base or neutral? (a) an acid (b) a base (c) neutral
5. 5.🫧 Is vinegar an acid, a base or neutral? (a) a base (b) neutral (c) an acid
6. 6.🫧 Which of these is an acid? (a) vinegar (b) detergent water (c) salt water (d) sugar water
7. 7.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a seed (c) a mirror (d) a balloon
8. 8.🧺 Do we need vinegar for the fizzy balloon? (a) needed (b) not needed
9. 9.⚖️ 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
10. 10.⚖️ 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
11. 11.True or false: curd is a base. (a) False (b) True
12. 12.⚖️ 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 keep it the same (c) we measure it
13. 13.🔍 Which is the odd one out? (a) tamarind water (b) salt water (c) sugar water (d) plain water
14. 14.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) put it in your mouth (c) keep it away from eyes (d) seal it in a glass jar
15. 15.🧺 Do we need a seed for the fizzy balloon? (a) not needed (b) needed
16. 16.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a tray for spills (c) vinegar (d) a mirror
17. 17.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it turns blue (b) it grows bigger (c) it shrinks (d) there is no change
18. 18.🧺 Which of these is needed for the fizzy balloon? (a) a funnel or spoon (b) a battery cell (c) a mirror (d) a seed
19. 19.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
20. 20.📘 Is the fizzing a sign that a new substance is made? (a) it is only dissolving (b) it is only melting (c) no, nothing changes (d) yes, a new gas forms
21. 21.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a funnel or spoon (c) a battery cell (d) vinegar
22. 22.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) baking soda (c) sugar (d) a battery cell
23. 23.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) sugar (c) baking soda (d) an empty bottle
24. 24.🛟 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
25. 25.🧺 Which of these is needed for the fizzy balloon? (a) an empty bottle (b) a seed (c) sugar (d) a mirror
26. 26.🫧 Which of these is neutral? (a) detergent water (b) lemon juice (c) sugar water (d) curd
27. 27.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they float apart (b) they freeze (c) they become magnets (d) they react
28. 28.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) helium (c) hydrogen (d) carbon dioxide
29. 29.⚖️ 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 keep it the same (c) we change it
30. 30.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) a huge eruption (c) the balloon bursts (d) very little fizzing
31. 31.True or false: a battery cell is needed for the fizzy balloon. (a) False (b) True
32. 32.🫧 Which of these is neutral? (a) plain water (b) baking soda water (c) soap solution (d) tamarind water
33. 33.True or false: an empty bottle is needed for the fizzy balloon. (a) True (b) False
34. 34.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a seed (c) a mirror (d) vinegar
35. 35.🧺 Which of these is not needed for the fizzy balloon? (a) a battery cell (b) vinegar (c) an empty bottle (d) baking soda
36. 36.True or false: a battery cell is not needed for the fizzy balloon. (a) False (b) True
37. 37.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
38. 38.True or false: baking soda water is a base. (a) True (b) False
39. 39.True or false: an empty bottle is not needed for the fizzy balloon. (a) False (b) True
40. 40.⚖️ 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 amount of vinegar

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