Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 758 · 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? True or false: spoons of baking soda is kept the same. (a) True (b) False
2. 2.🫧 Is sugar water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
3. 3.True or false: curd is neutral. (a) True (b) False
4. 4.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we change it (b) we keep it the same (c) we measure it
5. 5.🛟 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
6. 6.🧺 Do we need a mirror for the fizzy balloon? (a) needed (b) not needed
7. 7.🧺 Which of these is needed for the fizzy balloon? (a) a balloon (b) a seed (c) sugar (d) a mirror
8. 8.🔮 The fizzing stops after a while. Why? (a) the gas froze (b) an ingredient ran out (c) the bottle got tired (d) the balloon got cold
9. 9.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
10. 10.🫧 Is tamarind water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
11. 11.True or false: soap solution is neutral. (a) False (b) True
12. 12.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a balloon (c) baking soda (d) sugar
13. 13.True or false: a mirror is needed for the fizzy balloon. (a) False (b) True
14. 14.🫧 Which of these is an acid? (a) soap solution (b) sugar water (c) vinegar (d) detergent water
15. 15.⚖️ 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
16. 16.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a tray for spills (c) a mirror (d) vinegar
17. 17.True or false: tamarind water is neutral. (a) False (b) True
18. 18.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) shake it near your face (c) keep it away from eyes (d) put it in your mouth
19. 19.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a funnel or spoon (c) a magnet (d) sugar
20. 20.True or false: an empty bottle is needed for the fizzy balloon. (a) True (b) False
21. 21.⚖️ 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
22. 22.🫧 Is baking soda water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
23. 23.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a funnel or spoon (c) a battery cell (d) a tray for spills
24. 24.True or false: a balloon is needed for the fizzy balloon. (a) True (b) False
25. 25.🫧 Is detergent water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
26. 26.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is kept the same. (a) True (b) False
27. 27.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) spoons of baking soda (b) the same bottle (c) size of the balloon (d) the kind of balloon
28. 28.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a funnel or spoon (c) a mirror (d) an empty bottle
29. 29.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we keep it the same (b) we measure it (c) we change it
30. 30.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
31. 31.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
32. 32.🫧 Which of these is an acid? (a) baking soda water (b) plain water (c) soap solution (d) tamarind water
33. 33.True or false: lemon juice is an acid. (a) False (b) True
34. 34.🫧 What do you see when baking soda meets vinegar? (a) it turns to ice (b) nothing at all (c) lots of fizzy bubbles (d) it glows in the dark
35. 35.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is the one thing we change. (a) False (b) True
36. 36.📘 Is the fizzing a sign that a new substance is made? (a) it is only dissolving (b) no, nothing changes (c) it is only melting (d) yes, a new gas forms
37. 37.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is kept the same. (a) False (b) True
38. 38.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) it turns blue (c) there is no change (d) it grows bigger
39. 39.⚖️ 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
40. 40.🔍 Which is the odd one out? (a) detergent water (b) vinegar (c) orange juice (d) tamarind water

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