Baking Soda and Vinegar Experiment Worksheet

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

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