Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 501 · 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.🧺 Do we need a balloon for the fizzy balloon? (a) needed (b) not needed
2. 2.🫧 Is lemon juice an acid, a base or neutral? (a) an acid (b) a base (c) neutral
3. 3.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they become magnets (b) they float apart (c) they freeze (d) they react
4. 4.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) ignore it (c) add baking soda (d) rinse with clean water
5. 5.🫧 Is soap solution an acid, a base or neutral? (a) an acid (b) a base (c) neutral
6. 6.True or false: a balloon is needed for the fizzy balloon. (a) True (b) False
7. 7.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a comb (c) a mirror (d) baking soda
8. 8.🫧 Is salt water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
9. 9.🧺 Do we need a magnet for the fizzy balloon? (a) needed (b) not needed
10. 10.🔍 Which is the odd one out? (a) plain water (b) salt water (c) baking soda water (d) sugar water
11. 11.🔍 Which is the odd one out? (a) soap solution (b) vinegar (c) orange juice (d) tamarind water
12. 12.True or false: a seed is not needed for the fizzy balloon. (a) False (b) True
13. 13.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) size of the balloon (b) spoons of baking soda (c) the same bottle (d) the kind of balloon
14. 14.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is kept the same. (a) True (b) False
15. 15.True or false: salt water is an acid. (a) True (b) False
16. 16.🧺 Do we need vinegar for the fizzy balloon? (a) needed (b) not needed
17. 17.🫧 Which of these is neutral? (a) salt water (b) lemon juice (c) vinegar (d) tamarind water
18. 18.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the kind of balloon (b) size of the balloon (c) spoons of baking soda
19. 19.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) needed (b) not needed
20. 20.🛟 Which safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) shake it near your face (c) put it in your mouth (d) seal it in a glass jar
21. 21.True or false: sugar water is neutral. (a) True (b) False
22. 22.🔮 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
23. 23.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) an empty bottle (c) a seed (d) a tray for spills
24. 24.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) a seed (c) a balloon (d) vinegar
25. 25.🫧 Which of these is a base? (a) curd (b) lemon juice (c) plain water (d) baking soda water
26. 26.🫧 Is baking soda water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
27. 27.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a battery cell (c) baking soda (d) an empty bottle
28. 28.🧺 Do we need a seed for the fizzy balloon? (a) needed (b) not needed
29. 29.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a comb (c) a tray for spills (d) an empty bottle
30. 30.True or false: a tray for spills is needed for the fizzy balloon. (a) False (b) True
31. 31.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) sugar (b) a tray for spills (c) a balloon (d) a funnel or spoon
32. 32.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the same bottle (b) spoons of baking soda (c) size of the balloon
33. 33.🫧 Which of these is an acid? (a) sugar water (b) salt water (c) curd (d) soap solution
34. 34.🧺 Do we need sugar for the fizzy balloon? (a) not needed (b) needed
35. 35.True or false: soap solution is a base. (a) False (b) True
36. 36.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a funnel or spoon (c) a magnet (d) a tray for spills
37. 37.🫧 Is tamarind water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
38. 38.🔮 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
39. 39.⚖️ 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 same bottle (c) spoons of baking soda (d) the amount of vinegar
40. 40.⚖️ 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 change it (c) we keep it the same

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