Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 931 · 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.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) vinegar (c) sugar (d) a tray for spills
2. 2.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
3. 3.🔍 Which is the odd one out? (a) baking soda water (b) sugar water (c) salt water (d) plain water
4. 4.True or false: orange juice is an acid. (a) True (b) False
5. 5.🔍 Which is the odd one out? (a) sugar water (b) soap solution (c) baking soda water (d) detergent water
6. 6.🎈 Why does the balloon blow up? (a) the bottle shrinks (b) outside air gets in (c) gas is made inside (d) vinegar is hot
7. 7.🔍 Which is the odd one out? (a) lemon juice (b) salt water (c) tamarind water (d) vinegar
8. 8.🔍 Which is the odd one out? (a) tamarind water (b) vinegar (c) plain water (d) lemon juice
9. 9.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a battery cell (c) a funnel or spoon (d) a tray for spills
10. 10.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) baking soda (c) a funnel or spoon (d) a magnet
11. 11.🔍 Which is the odd one out? (a) soap solution (b) plain water (c) salt water (d) sugar water
12. 12.⚖️ 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
13. 13.🔍 Which is the odd one out? (a) soap solution (b) detergent water (c) baking soda water (d) lemon juice
14. 14.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) size of the balloon (b) spoons of baking soda (c) the same bottle
15. 15.🫧 Is vinegar an acid, a base or neutral? (a) an acid (b) a base (c) neutral
16. 16.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) vinegar (c) baking soda (d) a seed
17. 17.🧺 Which of these is needed for the fizzy balloon? (a) vinegar (b) a mirror (c) a seed (d) a comb
18. 18.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
19. 19.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a comb (c) baking soda (d) a mirror
20. 20.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we keep it the same (b) we measure it (c) we change it
21. 21.True or false: plain water is neutral. (a) False (b) True
22. 22.🔍 Which is the odd one out? (a) curd (b) orange juice (c) lemon juice (d) detergent water
23. 23.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a mirror (c) a funnel or spoon (d) baking soda
24. 24.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a tray for spills (c) a mirror (d) a magnet
25. 25.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) ignore it (c) rub it hard (d) rinse with clean water
26. 26.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
27. 27.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a mirror (c) a battery cell (d) an empty bottle
28. 28.🧺 Do we need a balloon for the fizzy balloon? (a) needed (b) not needed
29. 29.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they float apart (b) they freeze (c) they become magnets (d) they react
30. 30.⚖️ 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
31. 31.True or false: tamarind water is an acid. (a) False (b) True
32. 32.🔍 Which is the odd one out? (a) salt water (b) plain water (c) vinegar (d) sugar water
33. 33.🫧 Which of these is an acid? (a) detergent water (b) orange juice (c) baking soda water (d) soap solution
34. 34.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we measure it (b) we change it (c) we keep it the same
35. 35.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) put it in your mouth (c) seal it in a glass jar (d) keep it away from eyes
36. 36.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) the gas froze (c) an ingredient ran out (d) the balloon got cold
37. 37.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) True (b) False
38. 38.True or false: a tray for spills is needed for the fizzy balloon. (a) False (b) True
39. 39.⚖️ 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
40. 40.True or false: sugar is needed for the fizzy balloon. (a) False (b) True

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