Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 732 · 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.⚖️ 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) True (b) False
2. 2.🔍 Which is the odd one out? (a) salt water (b) sugar water (c) curd (d) plain water
3. 3.⚖️ 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
4. 4.🔮 The fizzing stops after a while. Why? (a) the balloon got cold (b) the gas froze (c) an ingredient ran out (d) the bottle got tired
5. 5.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
6. 6.True or false: vinegar is an acid. (a) False (b) True
7. 7.⚖️ 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
8. 8.📘 Is the fizzing a sign that a new substance is made? (a) no, nothing changes (b) it is only melting (c) yes, a new gas forms (d) it is only dissolving
9. 9.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) an empty bottle (c) vinegar (d) a comb
10. 10.🔮 Predict: you use plain water instead of vinegar. What happens? (a) very little fizzing (b) it turns to honey (c) a huge eruption (d) the balloon bursts
11. 11.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) sugar (b) an empty bottle (c) baking soda (d) a tray for spills
12. 12.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a comb (c) a battery cell (d) a funnel or spoon
13. 13.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a tray for spills (c) a mirror (d) a battery cell
14. 14.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) vinegar (c) a magnet (d) an empty bottle
15. 15.⚖️ 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
16. 16.🛟 What should you do if vinegar splashes in your eye? (a) rinse with clean water (b) add baking soda (c) rub it hard (d) ignore it
17. 17.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) size of the balloon (b) the same bottle (c) spoons of baking soda
18. 18.🫧 Is orange juice an acid, a base or neutral? (a) an acid (b) neutral (c) a base
19. 19.🫧 Which of these is an acid? (a) salt water (b) baking soda water (c) orange juice (d) sugar water
20. 20.⚖️ 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) spoons of baking soda (c) the amount of vinegar (d) the same bottle
21. 21.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) an empty bottle (c) a magnet (d) a tray for spills
22. 22.🫧 What do you see when baking soda meets vinegar? (a) it glows in the dark (b) nothing at all (c) it turns to ice (d) lots of fizzy bubbles
23. 23.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a mirror (c) a balloon (d) a comb
24. 24.🧺 Do we need a magnet for the fizzy balloon? (a) needed (b) not needed
25. 25.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a seed (b) baking soda (c) a balloon (d) an empty bottle
26. 26.🫧 Which of these is neutral? (a) tamarind water (b) vinegar (c) curd (d) sugar water
27. 27.🎈 Why does the balloon blow up? (a) vinegar is hot (b) gas is made inside (c) the bottle shrinks (d) outside air gets in
28. 28.True or false: a tray for spills is not needed for the fizzy balloon. (a) True (b) False
29. 29.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it turns blue (b) it shrinks (c) it grows bigger (d) there is no change
30. 30.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) size of the balloon (b) the kind of balloon (c) the same bottle (d) the amount of vinegar
31. 31.True or false: vinegar is needed for the fizzy balloon. (a) True (b) False
32. 32.🧺 Which of these is not needed for the fizzy balloon? (a) sugar (b) an empty bottle (c) baking soda (d) vinegar
33. 33.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is what we measure. (a) True (b) False
34. 34.📘 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
35. 35.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) vinegar (c) a tray for spills (d) a mirror
36. 36.True or false: baking soda is not needed for the fizzy balloon. (a) False (b) True
37. 37.🫧 Is curd an acid, a base or neutral? (a) a base (b) neutral (c) an acid
38. 38.⚖️ 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
39. 39.⚖️ 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
40. 40.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed

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