Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 746 · 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.⚖️ 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
3. 3.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it turns blue (b) it grows bigger (c) there is no change (d) it shrinks
4. 4.🛟 What should you do if vinegar splashes in your eye? (a) rinse with clean water (b) add baking soda (c) ignore it (d) rub it hard
5. 5.⚖️ 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
6. 6.🫧 Which of these is a base? (a) orange juice (b) detergent water (c) lemon juice (d) vinegar
7. 7.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a mirror (b) a funnel or spoon (c) a tray for spills (d) a balloon
8. 8.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) vinegar (c) a mirror (d) a magnet
9. 9.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) seal it in a glass jar (c) shake it near your face (d) keep it away from eyes
10. 10.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they float apart (b) they become magnets (c) they react (d) they freeze
11. 11.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is kept the same. (a) False (b) True
12. 12.📘 Is the fizzing a sign that a new substance is made? (a) it is only melting (b) yes, a new gas forms (c) no, nothing changes (d) it is only dissolving
13. 13.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a balloon (c) a seed (d) an empty bottle
14. 14.🫧 Which of these is neutral? (a) detergent water (b) tamarind water (c) plain water (d) orange juice
15. 15.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) spoons of baking soda (b) the amount of vinegar (c) size of the balloon
16. 16.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we change it (b) we keep it the same (c) we measure it
17. 17.True or false: curd is a base. (a) True (b) False
18. 18.⚖️ 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 keep it the same (c) we change it
19. 19.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a tray for spills (c) a mirror (d) a comb
20. 20.True or false: tamarind water is neutral. (a) True (b) False
21. 21.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we keep it the same (b) we change it (c) we measure it
22. 22.🧺 Do we need a magnet for the fizzy balloon? (a) needed (b) not needed
23. 23.🫧 Is vinegar an acid, a base or neutral? (a) neutral (b) an acid (c) a base
24. 24.True or false: detergent water is an acid. (a) True (b) False
25. 25.True or false: vinegar is an acid. (a) False (b) True
26. 26.⚖️ 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
27. 27.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the same bottle (b) spoons of baking soda (c) the kind of balloon (d) size of the balloon
28. 28.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is kept the same. (a) True (b) False
29. 29.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) an empty bottle (c) a battery cell (d) baking soda
30. 30.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) vinegar (c) a comb (d) baking soda
31. 31.True or false: a magnet is needed for the fizzy balloon. (a) False (b) True
32. 32.🎈 Why does the balloon blow up? (a) gas is made inside (b) outside air gets in (c) vinegar is hot (d) the bottle shrinks
33. 33.🫧 Is soap solution an acid, a base or neutral? (a) an acid (b) a base (c) neutral
34. 34.True or false: vinegar is a base. (a) True (b) False
35. 35.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a funnel or spoon (c) a comb (d) vinegar
36. 36.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a mirror (c) sugar (d) a balloon
37. 37.True or false: tamarind water is a base. (a) False (b) True
38. 38.🔍 Which is the odd one out? (a) soap solution (b) orange juice (c) baking soda water (d) detergent water
39. 39.True or false: sugar water is neutral. (a) True (b) False
40. 40.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a balloon (c) baking soda (d) a magnet

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