Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 555 · 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? Which of these is the one thing we change? (a) size of the balloon (b) the amount of vinegar (c) spoons of baking soda (d) the kind of balloon
2. 2.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a funnel or spoon (c) a tray for spills (d) a seed
3. 3.🔍 Which is the odd one out? (a) baking soda water (b) detergent water (c) soap solution (d) salt water
4. 4.🫧 Is tamarind water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
5. 5.True or false: a comb is not needed for the fizzy balloon. (a) True (b) False
6. 6.🫧 Is detergent water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
7. 7.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
8. 8.🔮 Predict: you use plain water instead of vinegar. What happens? (a) the balloon bursts (b) a huge eruption (c) it turns to honey (d) very little fizzing
9. 9.🔮 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
10. 10.🫧 Which of these is a base? (a) detergent water (b) lemon juice (c) salt water (d) curd
11. 11.⚖️ 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
12. 12.🧺 Do we need vinegar for the fizzy balloon? (a) needed (b) not needed
13. 13.🛟 Which safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) seal it in a glass jar (c) put it in your mouth (d) shake it near your face
14. 14.True or false: baking soda water is neutral. (a) True (b) False
15. 15.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) rub it hard (c) rinse with clean water (d) ignore it
16. 16.🔍 Which is the odd one out? (a) plain water (b) sugar water (c) salt water (d) soap solution
17. 17.⚖️ 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 kind of balloon (c) size of the balloon
18. 18.🧺 Do we need a tray for spills for the fizzy balloon? (a) needed (b) not needed
19. 19.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a funnel or spoon (c) a battery cell (d) a tray for spills
20. 20.⚖️ 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
21. 21.True or false: orange juice is an acid. (a) True (b) False
22. 22.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is kept the same. (a) False (b) True
23. 23.True or false: a balloon is needed for the fizzy balloon. (a) False (b) True
24. 24.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a funnel or spoon (c) an empty bottle (d) a comb
25. 25.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a magnet (c) a balloon (d) vinegar
26. 26.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) baking soda (c) vinegar (d) a mirror
27. 27.🧺 Which of these is needed for the fizzy balloon? (a) a balloon (b) a mirror (c) a comb (d) a seed
28. 28.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a tray for spills (c) a seed (d) a magnet
29. 29.🫧 Is salt water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
30. 30.True or false: a battery cell is needed for the fizzy balloon. (a) True (b) False
31. 31.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we measure it (b) we change it (c) we keep it the same
32. 32.True or false: sugar water is neutral. (a) True (b) False
33. 33.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a funnel or spoon (c) an empty bottle (d) a comb
34. 34.⚖️ 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
35. 35.True or false: a mirror is not needed for the fizzy balloon. (a) False (b) True
36. 36.📘 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
37. 37.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
38. 38.True or false: vinegar is needed for the fizzy balloon. (a) True (b) False
39. 39.True or false: a magnet is not needed for the fizzy balloon. (a) True (b) False
40. 40.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we keep it the same (b) we measure it (c) we change it

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