Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 839 · 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.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) an empty bottle (c) a balloon (d) a battery cell
2. 2.True or false: baking soda is not needed for the fizzy balloon. (a) True (b) False
3. 3.🔮 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
4. 4.True or false: vinegar is an acid. (a) False (b) True
5. 5.True or false: soap solution is an acid. (a) True (b) False
6. 6.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is kept the same. (a) False (b) True
7. 7.🫧 Which of these is neutral? (a) lemon juice (b) curd (c) sugar water (d) tamarind water
8. 8.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) sugar (c) a battery cell (d) an empty bottle
9. 9.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
10. 10.🧺 Do we need vinegar for the fizzy balloon? (a) needed (b) not needed
11. 11.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) it turns blue (c) there is no change (d) it grows bigger
12. 12.True or false: a magnet is needed for the fizzy balloon. (a) False (b) True
13. 13.⚖️ 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
14. 14.🧺 Do we need a seed for the fizzy balloon? (a) not needed (b) needed
15. 15.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they freeze (b) they float apart (c) they become magnets (d) they react
16. 16.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
17. 17.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) lots of fizzy bubbles (c) it turns to ice (d) it glows in the dark
18. 18.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a tray for spills (c) baking soda (d) a battery cell
19. 19.True or false: sugar water is neutral. (a) True (b) False
20. 20.🫧 Which of these is a base? (a) tamarind water (b) vinegar (c) soap solution (d) lemon juice
21. 21.🧺 Do we need a magnet for the fizzy balloon? (a) needed (b) not needed
22. 22.⚖️ 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
23. 23.🔍 Which is the odd one out? (a) sugar water (b) detergent water (c) baking soda water (d) soap solution
24. 24.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we keep it the same (b) we change it (c) we measure it
25. 25.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a tray for spills (c) vinegar (d) a comb
26. 26.📘 Is the fizzing a sign that a new substance is made? (a) it is only melting (b) no, nothing changes (c) it is only dissolving (d) yes, a new gas forms
27. 27.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
28. 28.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) carbon dioxide (b) oxygen (c) hydrogen (d) helium
29. 29.🫧 Which of these is a base? (a) orange juice (b) plain water (c) tamarind water (d) baking soda water
30. 30.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is what we measure. (a) True (b) False
31. 31.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a balloon (c) a mirror (d) a funnel or spoon
32. 32.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a mirror (c) vinegar (d) a comb
33. 33.⚖️ 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
34. 34.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a tray for spills (c) sugar (d) baking soda
35. 35.🫧 Is soap solution an acid, a base or neutral? (a) an acid (b) neutral (c) a base
36. 36.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) an empty bottle (c) a funnel or spoon (d) sugar
37. 37.🧺 Which of these is needed for the fizzy balloon? (a) a tray for spills (b) a seed (c) a magnet (d) a mirror
38. 38.🧺 Which of these is not needed for the fizzy balloon? (a) a seed (b) baking soda (c) vinegar (d) a balloon
39. 39.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) a magnet (c) baking soda (d) a funnel or spoon
40. 40.🫧 Which of these is an acid? (a) vinegar (b) plain water (c) baking soda water (d) salt water

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