Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 187 · 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: a funnel or spoon is needed for the fizzy balloon. (a) True (b) False
2. 2.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a magnet (c) a comb (d) a tray for spills
3. 3.True or false: soap solution is a base. (a) True (b) False
4. 4.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) a balloon (c) a mirror (d) vinegar
5. 5.🫧 Is curd an acid, a base or neutral? (a) an acid (b) neutral (c) a base
6. 6.True or false: baking soda water is neutral. (a) False (b) True
7. 7.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) vinegar (c) a seed (d) a funnel or spoon
8. 8.True or false: an empty bottle is not needed for the fizzy balloon. (a) True (b) False
9. 9.⚖️ 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
10. 10.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) size of the balloon (b) the same bottle (c) spoons of baking soda (d) the kind of balloon
11. 11.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) an empty bottle (c) a comb (d) a balloon
12. 12.⚖️ 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 measure it (c) we keep it the same
13. 13.⚖️ 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
14. 14.True or false: curd is an acid. (a) False (b) True
15. 15.True or false: vinegar is an acid. (a) False (b) True
16. 16.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) the balloon got cold (c) the gas froze (d) an ingredient ran out
17. 17.True or false: a tray for spills is needed for the fizzy balloon. (a) True (b) False
18. 18.🫧 Which of these is neutral? (a) baking soda water (b) tamarind water (c) lemon juice (d) sugar water
19. 19.🔍 Which is the odd one out? (a) curd (b) vinegar (c) plain water (d) lemon juice
20. 20.⚖️ 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
21. 21.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
22. 22.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a battery cell (c) an empty bottle (d) a magnet
23. 23.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a battery cell (b) a funnel or spoon (c) vinegar (d) a tray for spills
24. 24.🫧 Which of these is a base? (a) tamarind water (b) vinegar (c) curd (d) soap solution
25. 25.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) there is no change (b) it turns blue (c) it shrinks (d) it grows bigger
26. 26.🔮 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
27. 27.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) a comb (c) a tray for spills (d) baking soda
28. 28.🧺 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 mirror (d) vinegar
29. 29.🧺 Do we need vinegar for the fizzy balloon? (a) needed (b) not needed
30. 30.⚖️ 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
31. 31.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is kept the same. (a) True (b) False
32. 32.True or false: orange juice is an acid. (a) True (b) False
33. 33.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
34. 34.🧺 Which of these is needed for the fizzy balloon? (a) a funnel or spoon (b) a seed (c) sugar (d) a comb
35. 35.🫧 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
36. 36.⚖️ 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
37. 37.📘 Is the fizzing a sign that a new substance is made? (a) it is only melting (b) yes, a new gas forms (c) no, nothing changes (d) it is only dissolving
38. 38.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a mirror (c) sugar (d) baking soda
39. 39.⚖️ 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
40. 40.🔍 Which is the odd one out? (a) soap solution (b) detergent water (c) baking soda water (d) vinegar

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