Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 766 · 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 of these is not needed for the fizzy balloon? (a) a balloon (b) an empty bottle (c) baking soda (d) a mirror
2. 2.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a battery cell (b) a tray for spills (c) baking soda (d) vinegar
3. 3.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) very little fizzing (c) it turns to honey (d) the balloon bursts
4. 4.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a comb (c) vinegar (d) a battery cell
5. 5.🎈 Why does the balloon blow up? (a) vinegar is hot (b) outside air gets in (c) the bottle shrinks (d) gas is made inside
6. 6.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) spoons of baking soda (b) the amount of vinegar (c) size of the balloon
7. 7.🫧 Is lemon juice an acid, a base or neutral? (a) a base (b) neutral (c) an acid
8. 8.⚖️ 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
9. 9.🫧 Which of these is an acid? (a) salt water (b) baking soda water (c) vinegar (d) soap solution
10. 10.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a battery cell (c) a funnel or spoon (d) a magnet
11. 11.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
12. 12.True or false: a seed is needed for the fizzy balloon. (a) False (b) True
13. 13.True or false: baking soda water is neutral. (a) True (b) False
14. 14.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) rinse with clean water (c) rub it hard (d) add baking soda
15. 15.True or false: baking soda water is an acid. (a) True (b) False
16. 16.🫧 Is detergent water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
17. 17.🔍 Which is the odd one out? (a) sugar water (b) plain water (c) lemon juice (d) salt water
18. 18.🫧 Is salt water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
19. 19.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) the gas froze (c) an ingredient ran out (d) the balloon got cold
20. 20.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a funnel or spoon (c) baking soda (d) a magnet
21. 21.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
22. 22.🫧 Which of these is an acid? (a) soap solution (b) sugar water (c) tamarind water (d) baking soda water
23. 23.⚖️ 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
24. 24.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they float apart (b) they react (c) they freeze (d) they become magnets
25. 25.⚖️ 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
26. 26.True or false: baking soda water is a base. (a) False (b) True
27. 27.🔍 Which is the odd one out? (a) orange juice (b) lemon juice (c) baking soda water (d) curd
28. 28.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
29. 29.🔍 Which is the odd one out? (a) salt water (b) sugar water (c) tamarind water (d) plain 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) False (b) True
31. 31.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a mirror (c) an empty bottle (d) a seed
32. 32.🧺 Do we need a seed for the fizzy balloon? (a) not needed (b) needed
33. 33.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) a balloon (c) vinegar (d) a comb
34. 34.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) sugar (c) vinegar (d) a tray for spills
35. 35.🫧 Is plain water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
36. 36.🫧 What do you see when baking soda meets vinegar? (a) lots of fizzy bubbles (b) nothing at all (c) it glows in the dark (d) it turns to ice
37. 37.True or false: a seed is not needed for the fizzy balloon. (a) True (b) False
38. 38.🫧 Is soap solution an acid, a base or neutral? (a) a base (b) an acid (c) neutral
39. 39.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) sugar (c) a tray for spills (d) baking soda
40. 40.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed

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