Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 676 · 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 is the odd one out? (a) baking soda water (b) detergent water (c) soap solution (d) salt water
2. 2.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) shake it near your face (c) put it in your mouth (d) keep it away from eyes
3. 3.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
4. 4.⚖️ 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
5. 5.⚖️ 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 keep it the same (c) we measure it
6. 6.⚖️ 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
7. 7.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a seed (b) a balloon (c) a funnel or spoon (d) vinegar
8. 8.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is kept the same. (a) False (b) True
9. 9.True or false: a mirror is needed for the fizzy balloon. (a) True (b) False
10. 10.True or false: a mirror is not needed for the fizzy balloon. (a) False (b) True
11. 11.⚖️ 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
12. 12.🔮 The fizzing stops after a while. Why? (a) the balloon got cold (b) an ingredient ran out (c) the gas froze (d) the bottle got tired
13. 13.⚖️ 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 keep it the same (c) we change it
14. 14.True or false: a magnet is needed for the fizzy balloon. (a) False (b) True
15. 15.🫧 What do you see when baking soda meets vinegar? (a) lots of fizzy bubbles (b) it glows in the dark (c) it turns to ice (d) nothing at all
16. 16.True or false: sugar is not needed for the fizzy balloon. (a) True (b) False
17. 17.🫧 Which of these is neutral? (a) lemon juice (b) baking soda water (c) plain water (d) curd
18. 18.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a tray for spills (c) a comb (d) a balloon
19. 19.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) rub it hard (c) add baking soda (d) rinse with clean water
20. 20.⚖️ 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
21. 21.True or false: orange juice is neutral. (a) True (b) False
22. 22.🔮 Predict: you use plain water instead of vinegar. What happens? (a) very little fizzing (b) a huge eruption (c) the balloon bursts (d) it turns to honey
23. 23.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
24. 24.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
25. 25.True or false: sugar is needed for the fizzy balloon. (a) True (b) False
26. 26.🫧 Which of these is an acid? (a) soap solution (b) detergent water (c) tamarind water (d) baking soda water
27. 27.True or false: baking soda water is neutral. (a) True (b) False
28. 28.True or false: an empty bottle is needed for the fizzy balloon. (a) True (b) False
29. 29.🔍 Which is the odd one out? (a) curd (b) lemon juice (c) detergent water (d) tamarind water
30. 30.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they freeze (b) they become magnets (c) they float apart (d) they react
31. 31.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) baking soda (c) a battery cell (d) vinegar
32. 32.🫧 Is soap solution an acid, a base or neutral? (a) neutral (b) a base (c) an acid
33. 33.🧺 Which of these is not needed for the fizzy balloon? (a) a mirror (b) a balloon (c) a tray for spills (d) a funnel or spoon
34. 34.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a balloon (c) a mirror (d) a tray for spills
35. 35.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is what we measure. (a) True (b) False
36. 36.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) spoons of baking soda (b) the same bottle (c) size of the balloon (d) the kind of balloon
37. 37.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) an empty bottle (c) a balloon (d) a magnet
38. 38.True or false: orange juice is an acid. (a) True (b) False
39. 39.True or false: a comb is needed for the fizzy balloon. (a) True (b) False
40. 40.🫧 Is detergent water an acid, a base or neutral? (a) an acid (b) neutral (c) a base

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