Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 960 · 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.True or false: curd is a base. (a) False (b) True
2. 2.🔮 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
3. 3.⚖️ 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) spoons of baking soda (d) size of the balloon
4. 4.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) there is no change (c) it grows bigger (d) it turns blue
5. 5.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) baking soda (c) a comb (d) a tray for spills
6. 6.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) sugar (c) vinegar (d) a balloon
7. 7.True or false: a magnet is needed for the fizzy balloon. (a) True (b) False
8. 8.🛟 What should you do if vinegar splashes in your eye? (a) rinse with clean water (b) add baking soda (c) ignore it (d) rub it hard
9. 9.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a tray for spills (c) baking soda (d) a magnet
10. 10.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a battery cell (c) an empty bottle (d) a tray for spills
11. 11.🔍 Which is the odd one out? (a) tamarind water (b) salt water (c) lemon juice (d) orange juice
12. 12.🧺 Which of these is needed for the fizzy balloon? (a) vinegar (b) a comb (c) a seed (d) sugar
13. 13.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) a balloon (c) vinegar (d) a comb
14. 14.True or false: baking soda is not needed for the fizzy balloon. (a) False (b) True
15. 15.🛟 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
16. 16.True or false: soap solution is a base. (a) True (b) False
17. 17.⚖️ 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
18. 18.⚖️ 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
19. 19.🔮 The fizzing stops after a while. Why? (a) the balloon got cold (b) the gas froze (c) the bottle got tired (d) an ingredient ran out
20. 20.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a battery cell (c) a mirror (d) baking soda
21. 21.🔍 Which is the odd one out? (a) sugar water (b) soap solution (c) detergent water (d) baking soda water
22. 22.⚖️ 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
23. 23.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a balloon (c) an empty bottle (d) a mirror
24. 24.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they freeze (b) they float apart (c) they react (d) they become magnets
25. 25.🔍 Which is the odd one out? (a) soap solution (b) baking soda water (c) lemon juice (d) detergent water
26. 26.🫧 Is detergent water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
27. 27.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) a tray for spills (c) a battery cell (d) a funnel or spoon
28. 28.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
29. 29.⚖️ 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
30. 30.🔍 Which is the odd one out? (a) plain water (b) vinegar (c) sugar water (d) salt water
31. 31.True or false: a comb is not needed for the fizzy balloon. (a) True (b) False
32. 32.🫧 Is plain water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
33. 33.🫧 Which of these is a base? (a) lemon juice (b) tamarind water (c) baking soda water (d) sugar water
34. 34.📘 Is the fizzing a sign that a new substance is made? (a) it is only melting (b) it is only dissolving (c) no, nothing changes (d) yes, a new gas forms
35. 35.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
36. 36.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we measure it (b) we keep it the same (c) we change it
37. 37.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is kept the same. (a) False (b) True
38. 38.⚖️ 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
39. 39.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
40. 40.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) False (b) True

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