Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 976 · 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.🧺 Do we need a battery cell for the fizzy balloon? (a) not needed (b) needed
2. 2.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
3. 3.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) it turns to honey (c) very little fizzing (d) the balloon bursts
4. 4.⚖️ 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
5. 5.🔍 Which is the odd one out? (a) sugar water (b) plain water (c) orange juice (d) salt water
6. 6.🫧 Is plain water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
7. 7.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) a mirror (c) an empty bottle (d) vinegar
8. 8.True or false: soap solution is an acid. (a) True (b) False
9. 9.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is kept the same. (a) True (b) False
10. 10.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) hydrogen (b) carbon dioxide (c) oxygen (d) helium
11. 11.⚖️ 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
12. 12.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) True (b) False
13. 13.🫧 Is tamarind water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
14. 14.🎈 Why does the balloon blow up? (a) gas is made inside (b) vinegar is hot (c) outside air gets in (d) the bottle shrinks
15. 15.True or false: a seed is needed for the fizzy balloon. (a) False (b) True
16. 16.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) sugar (c) a funnel or spoon (d) baking soda
17. 17.True or false: curd is an acid. (a) False (b) True
18. 18.🫧 Is baking soda water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
19. 19.True or false: an empty bottle is not needed for the fizzy balloon. (a) True (b) False
20. 20.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
21. 21.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) seal it in a glass jar (c) put it in your mouth (d) keep it away from eyes
22. 22.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) baking soda (c) an empty bottle (d) a seed
23. 23.⚖️ 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 kind of balloon (d) the amount of vinegar
24. 24.True or false: vinegar is a base. (a) False (b) True
25. 25.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a tray for spills (c) a funnel or spoon (d) a comb
26. 26.🫧 What do you see when baking soda meets vinegar? (a) lots of fizzy bubbles (b) it glows in the dark (c) it turns to ice (d) nothing at all
27. 27.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a mirror (c) a funnel or spoon (d) sugar
28. 28.🫧 Is sugar water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
29. 29.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) there is no change (b) it grows bigger (c) it shrinks (d) it turns blue
30. 30.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the same bottle (b) the kind of balloon (c) size of the balloon (d) spoons of baking soda
31. 31.🫧 Is salt water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
32. 32.⚖️ 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
33. 33.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a mirror (c) a tray for spills (d) a comb
34. 34.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the amount of vinegar (b) spoons of baking soda (c) size of the balloon
35. 35.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) an empty bottle (c) a seed (d) a funnel or spoon
36. 36.True or false: sugar water is neutral. (a) True (b) False
37. 37.🔍 Which is the odd one out? (a) lemon juice (b) vinegar (c) detergent water (d) orange juice
38. 38.🫧 Is soap solution an acid, a base or neutral? (a) a base (b) an acid (c) neutral
39. 39.🫧 Is lemon juice an acid, a base or neutral? (a) a base (b) neutral (c) an acid
40. 40.🫧 Is curd an acid, a base or neutral? (a) a base (b) neutral (c) an acid

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