Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 641 · 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? What do we do with “spoons of baking soda”? (a) we measure it (b) we keep it the same (c) we change it
2. 2.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) there is no change (b) it shrinks (c) it turns blue (d) it grows bigger
3. 3.🫧 Which of these is an acid? (a) sugar water (b) plain water (c) soap solution (d) tamarind water
4. 4.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) put it in your mouth (c) keep it away from eyes (d) seal it in a glass jar
5. 5.True or false: a seed is not needed for the fizzy balloon. (a) False (b) True
6. 6.⚖️ 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
7. 7.True or false: an empty bottle is needed for the fizzy balloon. (a) True (b) False
8. 8.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we measure it (b) we keep it the same (c) we change it
9. 9.📘 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
10. 10.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is the one thing we change. (a) False (b) True
11. 11.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
12. 12.True or false: tamarind water is an acid. (a) False (b) True
13. 13.🧺 Do we need a magnet for the fizzy balloon? (a) needed (b) not needed
14. 14.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) it turns to honey (c) very little fizzing (d) the balloon bursts
15. 15.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a funnel or spoon (c) a tray for spills (d) a mirror
16. 16.⚖️ 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
17. 17.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a magnet (c) a tray for spills (d) an empty bottle
18. 18.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) an empty bottle (c) a magnet (d) a battery cell
19. 19.⚖️ 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
20. 20.True or false: curd is neutral. (a) True (b) False
21. 21.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we keep it the same (b) we measure it (c) we change it
22. 22.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) rinse with clean water (c) add baking soda (d) ignore it
23. 23.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
24. 24.🫧 Is baking soda water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
25. 25.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) helium (b) carbon dioxide (c) oxygen (d) hydrogen
26. 26.⚖️ 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
27. 27.True or false: vinegar is neutral. (a) True (b) False
28. 28.🔍 Which is the odd one out? (a) curd (b) vinegar (c) lemon juice (d) salt water
29. 29.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) sugar (c) a balloon (d) an empty bottle
30. 30.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) baking soda (c) a mirror (d) a battery cell
31. 31.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) vinegar (c) a battery cell (d) sugar
32. 32.⚖️ 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
33. 33.🫧 Is orange juice an acid, a base or neutral? (a) an acid (b) a base (c) neutral
34. 34.🫧 Which of these is an acid? (a) sugar water (b) plain water (c) baking soda water (d) lemon juice
35. 35.True or false: vinegar is a base. (a) True (b) False
36. 36.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a seed (c) a tray for spills (d) baking soda
37. 37.🫧 Is lemon juice an acid, a base or neutral? (a) a base (b) neutral (c) an acid
38. 38.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a seed (c) a balloon (d) a magnet
39. 39.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
40. 40.🔍 Which is the odd one out? (a) salt water (b) sugar water (c) orange juice (d) plain water

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