Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 875 · 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: salt water is an acid. (a) False (b) True
2. 2.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) helium (b) oxygen (c) hydrogen (d) carbon dioxide
3. 3.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) vinegar (c) sugar (d) a magnet
4. 4.True or false: orange juice is an acid. (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 balloon (d) a funnel or spoon
6. 6.True or false: a tray for spills is needed for the fizzy balloon. (a) True (b) False
7. 7.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is what we measure. (a) False (b) True
8. 8.🔍 Which is the odd one out? (a) baking soda water (b) curd (c) soap solution (d) detergent water
9. 9.🔍 Which is the odd one out? (a) soap solution (b) detergent water (c) sugar water (d) baking soda water
10. 10.⚖️ 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 keep it the same (c) we measure it
11. 11.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is what we measure. (a) True (b) False
12. 12.🫧 Which of these is neutral? (a) sugar water (b) vinegar (c) lemon juice (d) detergent water
13. 13.🔮 The fizzing stops after a while. Why? (a) the balloon got cold (b) the gas froze (c) the bottle got tired (d) an ingredient ran out
14. 14.True or false: lemon juice is an acid. (a) True (b) False
15. 15.⚖️ 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
16. 16.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is what we measure. (a) True (b) False
17. 17.🔮 Predict: you use plain water instead of vinegar. What happens? (a) the balloon bursts (b) very little fizzing (c) it turns to honey (d) a huge eruption
18. 18.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
19. 19.🫧 Which of these is a base? (a) vinegar (b) salt water (c) sugar water (d) baking soda water
20. 20.🫧 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
21. 21.🫧 Which of these is a base? (a) sugar water (b) salt water (c) soap solution (d) orange juice
22. 22.🫧 Is salt water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
23. 23.⚖️ 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) True (b) False
24. 24.True or false: an empty bottle is needed for the fizzy balloon. (a) True (b) False
25. 25.🧺 Which of these is needed for the fizzy balloon? (a) an empty bottle (b) a comb (c) a mirror (d) sugar
26. 26.🫧 Is orange juice an acid, a base or neutral? (a) an acid (b) neutral (c) a base
27. 27.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the kind of balloon (b) spoons of baking soda (c) the amount of vinegar (d) size of the balloon
28. 28.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it grows bigger (b) it shrinks (c) there is no change (d) it turns blue
29. 29.⚖️ 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
30. 30.⚖️ 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 measure it (c) we keep it the same
31. 31.⚖️ 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
32. 32.True or false: detergent water is an acid. (a) True (b) False
33. 33.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
34. 34.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a tray for spills (c) a mirror (d) baking soda
35. 35.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they freeze (b) they float apart (c) they react (d) they become magnets
36. 36.True or false: sugar water is an acid. (a) True (b) False
37. 37.🫧 Which of these is neutral? (a) curd (b) plain water (c) tamarind water (d) detergent water
38. 38.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) a seed (c) baking soda (d) a tray for spills
39. 39.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a magnet (b) an empty bottle (c) baking soda (d) a funnel or spoon
40. 40.🛟 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

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