Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 543 · 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.True or false: lemon juice is neutral. (a) True (b) False
2. 2.🔮 The fizzing stops after a while. Why? (a) an ingredient ran out (b) the bottle got tired (c) the balloon got cold (d) the gas froze
3. 3.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is the one thing we change. (a) False (b) True
4. 4.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the amount of vinegar (b) size of the balloon (c) the kind of balloon (d) spoons of baking soda
5. 5.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the kind of balloon (b) spoons of baking soda (c) size of the balloon
6. 6.True or false: a comb is needed for the fizzy balloon. (a) True (b) False
7. 7.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) an empty bottle (c) a tray for spills (d) sugar
8. 8.🫧 Is vinegar an acid, a base or neutral? (a) a base (b) an acid (c) neutral
9. 9.🫧 Is soap solution an acid, a base or neutral? (a) neutral (b) a base (c) an acid
10. 10.⚖️ 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
11. 11.🫧 Which of these is a base? (a) curd (b) soap solution (c) orange juice (d) tamarind water
12. 12.⚖️ 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
13. 13.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) lots of fizzy bubbles (c) it glows in the dark (d) it turns to ice
14. 14.🧺 Do we need a seed for the fizzy balloon? (a) needed (b) not needed
15. 15.🫧 Which of these is neutral? (a) lemon juice (b) salt water (c) orange juice (d) curd
16. 16.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) shake it near your face (c) keep it away from eyes (d) seal it in a glass jar
17. 17.🫧 Is plain water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
18. 18.🔮 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
19. 19.True or false: curd is neutral. (a) False (b) True
20. 20.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a mirror (c) sugar (d) a balloon
21. 21.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) sugar (c) vinegar (d) a magnet
22. 22.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is what we measure. (a) True (b) False
23. 23.🫧 Which of these is a base? (a) sugar water (b) lemon juice (c) baking soda water (d) plain water
24. 24.🛟 What should you do if vinegar splashes in your eye? (a) rinse with clean water (b) ignore it (c) rub it hard (d) add baking soda
25. 25.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) sugar (c) a magnet (d) a tray for spills
26. 26.⚖️ 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 amount of vinegar (c) the same bottle (d) spoons of baking soda
27. 27.True or false: a tray for spills is not needed for the fizzy balloon. (a) True (b) False
28. 28.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they freeze (b) they become magnets (c) they react (d) they float apart
29. 29.🫧 Which of these is an acid? (a) baking soda water (b) sugar water (c) detergent water (d) vinegar
30. 30.True or false: a comb is not needed for the fizzy balloon. (a) False (b) True
31. 31.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
32. 32.True or false: vinegar is an acid. (a) False (b) True
33. 33.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) a comb (c) vinegar (d) baking soda
34. 34.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is kept the same. (a) False (b) True
35. 35.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
36. 36.🫧 Which of these is an acid? (a) baking soda water (b) plain water (c) curd (d) detergent water
37. 37.🫧 Which of these is an acid? (a) plain water (b) tamarind water (c) salt water (d) detergent water
38. 38.⚖️ 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
39. 39.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) baking soda (c) an empty bottle (d) a seed
40. 40.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a magnet (c) baking soda (d) a mirror

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