Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 926 · 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.🫧 Which of these is neutral? (a) vinegar (b) soap solution (c) sugar water (d) baking soda water
2. 2.⚖️ 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
3. 3.⚖️ 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
4. 4.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is kept the same. (a) False (b) True
5. 5.🔮 The fizzing stops after a while. Why? (a) an ingredient ran out (b) the balloon got cold (c) the gas froze (d) the bottle got tired
6. 6.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they become magnets (b) they float apart (c) they freeze (d) they react
7. 7.🫧 What do you see when baking soda meets vinegar? (a) lots of fizzy bubbles (b) nothing at all (c) it turns to ice (d) it glows in the dark
8. 8.True or false: an empty bottle is needed for the fizzy balloon. (a) True (b) False
9. 9.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) spoons of baking soda (b) the kind of balloon (c) the amount of vinegar (d) size of the balloon
10. 10.True or false: vinegar is neutral. (a) True (b) False
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.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the amount of vinegar (b) spoons of baking soda (c) the same bottle (d) size of the balloon
13. 13.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) hydrogen (c) carbon dioxide (d) helium
14. 14.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a comb (c) a tray for spills (d) sugar
15. 15.🔍 Which is the odd one out? (a) sugar water (b) curd (c) tamarind water (d) lemon juice
16. 16.True or false: orange juice is an acid. (a) False (b) True
17. 17.🔍 Which is the odd one out? (a) vinegar (b) lemon juice (c) tamarind water (d) baking soda water
18. 18.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) a seed (c) vinegar (d) a tray for spills
19. 19.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
20. 20.🧺 Which of these is not needed for the fizzy balloon? (a) a battery cell (b) baking soda (c) a tray for spills (d) a funnel or spoon
21. 21.⚖️ 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
22. 22.🧺 Which of these is not needed for the fizzy balloon? (a) a mirror (b) a tray for spills (c) vinegar (d) baking soda
23. 23.True or false: salt water is an acid. (a) True (b) False
24. 24.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a tray for spills (c) a balloon (d) a mirror
25. 25.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) True (b) False
26. 26.🫧 Is salt water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
27. 27.⚖️ 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
28. 28.🧺 Which of these is not needed for the fizzy balloon? (a) a comb (b) vinegar (c) baking soda (d) an empty bottle
29. 29.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) keep it away from eyes (c) seal it in a glass jar (d) put it in your mouth
30. 30.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is the one thing we change. (a) True (b) False
31. 31.True or false: sugar water is neutral. (a) True (b) False
32. 32.⚖️ 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 measure it (c) we keep it the same
33. 33.⚖️ 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
34. 34.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is what we measure. (a) False (b) True
35. 35.🔍 Which is the odd one out? (a) detergent water (b) soap solution (c) tamarind water (d) baking soda water
36. 36.🫧 Is tamarind water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
37. 37.⚖️ 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
38. 38.True or false: vinegar is an acid. (a) True (b) False
39. 39.True or false: sugar water is a base. (a) False (b) True
40. 40.🔍 Which is the odd one out? (a) lemon juice (b) sugar water (c) salt water (d) plain water

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