Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 587 · 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: size of the balloon is kept the same. (a) True (b) False
2. 2.True or false: orange juice is an acid. (a) True (b) False
3. 3.True or false: plain water is an acid. (a) False (b) True
4. 4.🫧 Which of these is an acid? (a) soap solution (b) lemon juice (c) detergent water (d) sugar water
5. 5.🫧 Which of these is a base? (a) plain water (b) tamarind water (c) baking soda water (d) curd
6. 6.True or false: a tray for spills is not needed for the fizzy balloon. (a) True (b) False
7. 7.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a tray for spills (c) a magnet (d) a mirror
8. 8.🧺 Do we need sugar for the fizzy balloon? (a) not needed (b) needed
9. 9.🎈 Why does the balloon blow up? (a) outside air gets in (b) gas is made inside (c) vinegar is hot (d) the bottle shrinks
10. 10.🫧 Which of these is a base? (a) lemon juice (b) soap solution (c) sugar water (d) vinegar
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) True (b) False
12. 12.🫧 Which of these is an acid? (a) sugar water (b) detergent water (c) curd (d) soap solution
13. 13.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is the one thing we change. (a) True (b) False
14. 14.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) sugar (c) baking soda (d) a balloon
15. 15.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) an empty bottle (c) a battery cell (d) baking soda
16. 16.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) carbon dioxide (b) hydrogen (c) helium (d) oxygen
17. 17.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a balloon (c) a seed (d) baking soda
18. 18.⚖️ 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
19. 19.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the same bottle (b) size of the balloon (c) the amount of vinegar (d) spoons of baking soda
20. 20.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) size of the balloon (b) spoons of baking soda (c) the same bottle (d) the amount of vinegar
21. 21.🔮 The fizzing stops after a while. Why? (a) an ingredient ran out (b) the gas froze (c) the balloon got cold (d) the bottle got tired
22. 22.⚖️ 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
23. 23.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
24. 24.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) a huge eruption (c) the balloon bursts (d) very little fizzing
25. 25.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
26. 26.True or false: vinegar is an acid. (a) False (b) True
27. 27.🫧 Is vinegar an acid, a base or neutral? (a) a base (b) neutral (c) an acid
28. 28.🫧 Is orange juice an acid, a base or neutral? (a) neutral (b) a base (c) an acid
29. 29.True or false: a comb is not needed for the fizzy balloon. (a) True (b) False
30. 30.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) ignore it (c) rub it hard (d) rinse with clean water
31. 31.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) there is no change (c) it turns blue (d) it grows bigger
32. 32.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) an empty bottle (c) a magnet (d) baking soda
33. 33.🫧 Is salt water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
34. 34.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a comb (b) baking soda (c) an empty bottle (d) vinegar
35. 35.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) it turns to ice (c) it glows in the dark (d) lots of fizzy bubbles
36. 36.⚖️ 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
37. 37.📘 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
38. 38.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they freeze (b) they react (c) they float apart (d) they become magnets
39. 39.🧺 Do we need a battery cell for the fizzy balloon? (a) not needed (b) needed
40. 40.🫧 Is detergent water an acid, a base or neutral? (a) a base (b) an acid (c) neutral

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