Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 277 · 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.🫧 Is salt water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
2. 2.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) put it in your mouth (c) keep it away from eyes (d) shake it near your face
3. 3.🔮 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
4. 4.🔍 Which is the odd one out? (a) orange juice (b) plain water (c) salt water (d) sugar water
5. 5.🫧 What do you see when baking soda meets vinegar? (a) it glows in the dark (b) it turns to ice (c) lots of fizzy bubbles (d) nothing at all
6. 6.🫧 Is sugar water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
7. 7.⚖️ 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
8. 8.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it turns blue (b) there is no change (c) it grows bigger (d) it shrinks
9. 9.🧺 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 mirror (d) a balloon
10. 10.🧺 Which of these is needed for the fizzy balloon? (a) a funnel or spoon (b) a comb (c) a mirror (d) a seed
11. 11.⚖️ 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
12. 12.🔍 Which is the odd one out? (a) vinegar (b) baking soda water (c) curd (d) tamarind water
13. 13.🫧 Which of these is an acid? (a) plain water (b) soap solution (c) lemon juice (d) sugar water
14. 14.🔍 Which is the odd one out? (a) vinegar (b) curd (c) detergent water (d) orange juice
15. 15.True or false: an empty bottle is needed for the fizzy balloon. (a) False (b) True
16. 16.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a seed (c) a balloon (d) an empty bottle
17. 17.🫧 Is baking soda water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
18. 18.True or false: vinegar is a base. (a) True (b) False
19. 19.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) an empty bottle (c) a balloon (d) a battery cell
20. 20.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) add baking soda (c) ignore it (d) rinse with clean water
21. 21.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the amount of vinegar (b) the same bottle (c) size of the balloon (d) spoons of baking soda
22. 22.🧺 Do we need a balloon for the fizzy balloon? (a) needed (b) not needed
23. 23.🧺 Which of these is needed for the fizzy balloon? (a) vinegar (b) a magnet (c) a battery cell (d) a comb
24. 24.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we measure it (b) we keep it the same (c) we change it
25. 25.🧺 Do we need a seed for the fizzy balloon? (a) not needed (b) needed
26. 26.🧺 Do we need a mirror for the fizzy balloon? (a) needed (b) not needed
27. 27.🫧 Which of these is neutral? (a) baking soda water (b) sugar water (c) curd (d) orange juice
28. 28.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a magnet (c) a funnel or spoon (d) a tray for spills
29. 29.⚖️ 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
30. 30.True or false: a balloon is needed for the fizzy balloon. (a) False (b) True
31. 31.⚖️ 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
32. 32.⚖️ 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
33. 33.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a balloon (c) a mirror (d) a battery cell
34. 34.True or false: vinegar is not needed for the fizzy balloon. (a) False (b) True
35. 35.True or false: orange juice is an acid. (a) False (b) True
36. 36.⚖️ 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
37. 37.🔮 Predict: you use plain water instead of vinegar. What happens? (a) very little fizzing (b) it turns to honey (c) the balloon bursts (d) a huge eruption
38. 38.True or false: a seed is not needed for the fizzy balloon. (a) False (b) True
39. 39.True or false: soap solution is an acid. (a) True (b) False
40. 40.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) True (b) False

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