Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 442 · 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 tamarind water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
2. 2.🫧 Is soap solution an acid, a base or neutral? (a) neutral (b) a base (c) an acid
3. 3.🔮 The fizzing stops after a while. Why? (a) the balloon got cold (b) the bottle got tired (c) an ingredient ran out (d) the gas froze
4. 4.🛟 Which safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) seal it in a glass jar (c) shake it near your face (d) put it in your mouth
5. 5.True or false: lemon juice is a base. (a) True (b) False
6. 6.True or false: an empty bottle is not needed for the fizzy balloon. (a) False (b) True
7. 7.⚖️ 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) True (b) False
8. 8.🫧 Is orange juice an acid, a base or neutral? (a) a base (b) an acid (c) neutral
9. 9.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we change it (b) we keep it the same (c) we measure it
10. 10.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) lots of fizzy bubbles (c) it turns to ice (d) it glows in the dark
11. 11.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) ignore it (c) rinse with clean water (d) rub it hard
12. 12.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we keep it the same (b) we change it (c) we measure it
13. 13.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the same bottle (b) the kind of balloon (c) spoons of baking soda (d) size of the balloon
14. 14.🫧 Which of these is a base? (a) soap solution (b) tamarind water (c) salt water (d) curd
15. 15.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is kept the same. (a) False (b) True
16. 16.🎈 Why does the balloon blow up? (a) outside air gets in (b) the bottle shrinks (c) gas is made inside (d) vinegar is hot
17. 17.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
18. 18.🫧 Is lemon juice an acid, a base or neutral? (a) a base (b) neutral (c) an acid
19. 19.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a comb (c) baking soda (d) a tray for spills
20. 20.🫧 Which of these is neutral? (a) lemon juice (b) baking soda water (c) vinegar (d) salt water
21. 21.📘 Is the fizzing a sign that a new substance is made? (a) no, nothing changes (b) yes, a new gas forms (c) it is only melting (d) it is only dissolving
22. 22.🫧 Is sugar water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
23. 23.🫧 Which of these is an acid? (a) soap solution (b) orange juice (c) baking soda water (d) detergent water
24. 24.🫧 Which of these is neutral? (a) soap solution (b) lemon juice (c) orange juice (d) sugar water
25. 25.🫧 Is plain water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
26. 26.True or false: tamarind water is an acid. (a) False (b) True
27. 27.🧺 Do we need a seed for the fizzy balloon? (a) needed (b) not needed
28. 28.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) sugar (c) a funnel or spoon (d) an empty bottle
29. 29.🔮 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
30. 30.⚖️ 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
31. 31.⚖️ 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
32. 32.True or false: a mirror is not needed for the fizzy balloon. (a) False (b) True
33. 33.🧺 Do we need sugar for the fizzy balloon? (a) not needed (b) needed
34. 34.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a funnel or spoon (c) a comb (d) a mirror
35. 35.True or false: a magnet is needed for the fizzy balloon. (a) True (b) False
36. 36.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a tray for spills (c) a magnet (d) an empty bottle
37. 37.🫧 Which of these is a base? (a) vinegar (b) baking soda water (c) lemon juice (d) orange juice
38. 38.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) vinegar (c) a mirror (d) baking soda
39. 39.🧺 Do we need a battery cell for the fizzy balloon? (a) not needed (b) needed
40. 40.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed

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