Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 471 · 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 gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) hydrogen (c) carbon dioxide (d) helium
2. 2.🫧 Which of these is an acid? (a) soap solution (b) plain water (c) baking soda water (d) tamarind water
3. 3.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) an empty bottle (c) a seed (d) a balloon
4. 4.🫧 Which of these is neutral? (a) soap solution (b) salt water (c) detergent water (d) curd
5. 5.🧺 Do we need a mirror for the fizzy balloon? (a) needed (b) not needed
6. 6.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we change it (b) we measure it (c) we keep it the same
7. 7.True or false: vinegar is an acid. (a) False (b) True
8. 8.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) it turns blue (c) it grows bigger (d) there is no change
9. 9.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a battery cell (c) a comb (d) a balloon
10. 10.⚖️ 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
11. 11.🧺 Do we need a magnet for the fizzy balloon? (a) needed (b) not needed
12. 12.True or false: vinegar is needed for the fizzy balloon. (a) True (b) False
13. 13.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
14. 14.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) baking soda (c) a tray for spills (d) a mirror
15. 15.True or false: soap solution is neutral. (a) True (b) False
16. 16.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a tray for spills (c) a balloon (d) a battery cell
17. 17.📘 Is the fizzing a sign that a new substance is made? (a) it is only dissolving (b) yes, a new gas forms (c) it is only melting (d) no, nothing changes
18. 18.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is what we measure. (a) False (b) True
19. 19.🫧 Is curd an acid, a base or neutral? (a) neutral (b) a base (c) an acid
20. 20.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) a funnel or spoon (c) a tray for spills (d) a seed
21. 21.🫧 Which of these is an acid? (a) plain water (b) sugar water (c) detergent water (d) lemon juice
22. 22.🫧 What do you see when baking soda meets vinegar? (a) it glows in the dark (b) it turns to ice (c) nothing at all (d) lots of fizzy bubbles
23. 23.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) size of the balloon (b) spoons of baking soda (c) the kind of balloon
24. 24.⚖️ 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
25. 25.True or false: plain water is an acid. (a) False (b) True
26. 26.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they become magnets (b) they freeze (c) they float apart (d) they react
27. 27.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) seal it in a glass jar (c) keep it away from eyes (d) put it in your mouth
28. 28.🫧 Which of these is a base? (a) vinegar (b) curd (c) lemon juice (d) soap solution
29. 29.True or false: baking soda water is a base. (a) True (b) False
30. 30.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we change it (b) we keep it the same (c) we measure it
31. 31.⚖️ 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
32. 32.🔍 Which is the odd one out? (a) salt water (b) sugar water (c) soap solution (d) plain water
33. 33.🫧 Which of these is a base? (a) detergent water (b) salt water (c) lemon juice (d) vinegar
34. 34.⚖️ 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
35. 35.🫧 Is baking soda water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
36. 36.True or false: a funnel or spoon is needed for the fizzy balloon. (a) True (b) False
37. 37.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) vinegar (c) a comb (d) a balloon
38. 38.🧺 Which of these is needed for the fizzy balloon? (a) vinegar (b) a battery cell (c) a comb (d) sugar
39. 39.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is what we measure. (a) False (b) True
40. 40.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed

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