Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 932 · 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.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) vinegar (c) a comb (d) baking soda
2. 2.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a mirror (c) a balloon (d) a seed
3. 3.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
4. 4.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we keep it the same (b) we measure it (c) we change it
5. 5.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) seal it in a glass jar (c) shake it near your face (d) keep it away from eyes
6. 6.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) the balloon got cold (c) the gas froze (d) an ingredient ran out
7. 7.🫧 Is tamarind water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
8. 8.True or false: a battery cell is not needed for the fizzy balloon. (a) True (b) False
9. 9.🫧 What do you see when baking soda meets vinegar? (a) it glows in the dark (b) nothing at all (c) it turns to ice (d) lots of fizzy bubbles
10. 10.🔍 Which is the odd one out? (a) lemon juice (b) sugar water (c) plain water (d) salt water
11. 11.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is what we measure. (a) False (b) True
12. 12.🧺 Do we need a seed for the fizzy balloon? (a) not needed (b) needed
13. 13.🫧 Is soap solution an acid, a base or neutral? (a) a base (b) an acid (c) neutral
14. 14.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a magnet (c) an empty bottle (d) a comb
15. 15.True or false: a balloon is not needed for the fizzy balloon. (a) False (b) True
16. 16.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
17. 17.🫧 Which of these is an acid? (a) salt water (b) plain water (c) vinegar (d) soap solution
18. 18.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it grows bigger (b) there is no change (c) it turns blue (d) it shrinks
19. 19.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a tray for spills (c) an empty bottle (d) a magnet
20. 20.⚖️ 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 kind of balloon (c) the amount of vinegar (d) the same bottle
21. 21.🫧 Which of these is neutral? (a) baking soda water (b) sugar water (c) lemon juice (d) detergent water
22. 22.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) sugar (b) vinegar (c) a funnel or spoon (d) baking soda
23. 23.🔍 Which is the odd one out? (a) soap solution (b) lemon juice (c) tamarind water (d) orange juice
24. 24.True or false: lemon juice is an acid. (a) False (b) True
25. 25.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they react (b) they float apart (c) they become magnets (d) they freeze
26. 26.🫧 Is sugar water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
27. 27.True or false: an empty bottle is not needed for the fizzy balloon. (a) True (b) False
28. 28.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) rub it hard (c) ignore it (d) rinse with clean water
29. 29.🔮 Predict: you use plain water instead of vinegar. What happens? (a) the balloon bursts (b) a huge eruption (c) very little fizzing (d) it turns to honey
30. 30.⚖️ 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
31. 31.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) size of the balloon (b) spoons of baking soda (c) the same bottle
32. 32.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) an empty bottle (c) a mirror (d) a funnel or spoon
33. 33.🔍 Which is the odd one out? (a) vinegar (b) tamarind water (c) orange juice (d) detergent water
34. 34.🫧 Is detergent water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
35. 35.🔍 Which is the odd one out? (a) tamarind water (b) salt water (c) sugar water (d) plain water
36. 36.⚖️ 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
37. 37.⚖️ 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 change it (c) we measure it
38. 38.True or false: a magnet is needed for the fizzy balloon. (a) True (b) False
39. 39.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) baking soda (c) a tray for spills (d) sugar
40. 40.True or false: a seed is needed for the fizzy balloon. (a) False (b) True

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