Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 161 · 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.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
2. 2.🫧 Is tamarind water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
3. 3.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we change it (b) we keep it the same (c) we measure it
4. 4.True or false: sugar water is neutral. (a) False (b) True
5. 5.🎈 Why does the balloon blow up? (a) gas is made inside (b) outside air gets in (c) vinegar is hot (d) the bottle shrinks
6. 6.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) a comb (c) a balloon (d) vinegar
7. 7.True or false: soap solution is neutral. (a) True (b) False
8. 8.⚖️ 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
9. 9.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a magnet (b) a funnel or spoon (c) baking soda (d) a balloon
10. 10.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they freeze (b) they react (c) they become magnets (d) they float apart
11. 11.🛟 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
12. 12.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) spoons of baking soda (b) size of the balloon (c) the amount of vinegar (d) the same bottle
13. 13.🔍 Which is the odd one out? (a) salt water (b) sugar water (c) plain water (d) baking soda water
14. 14.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) vinegar (c) sugar (d) a mirror
15. 15.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) an empty bottle (c) a mirror (d) vinegar
16. 16.True or false: a comb is needed for the fizzy balloon. (a) True (b) False
17. 17.🫧 Is orange juice an acid, a base or neutral? (a) neutral (b) an acid (c) a base
18. 18.🔮 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
19. 19.⚖️ 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
20. 20.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) vinegar (c) sugar (d) an empty bottle
21. 21.🫧 Which of these is a base? (a) salt water (b) plain water (c) baking soda water (d) lemon juice
22. 22.🧺 Which of these is needed for the fizzy balloon? (a) a funnel or spoon (b) a battery cell (c) sugar (d) a magnet
23. 23.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is the one thing we change. (a) False (b) True
24. 24.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) it turns to ice (c) lots of fizzy bubbles (d) it glows in the dark
25. 25.🫧 Is plain water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
26. 26.True or false: a seed is needed for the fizzy balloon. (a) False (b) True
27. 27.🫧 Which of these is an acid? (a) plain water (b) tamarind water (c) baking soda water (d) salt water
28. 28.⚖️ 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 change it (c) we keep it the same
29. 29.🧺 Do we need a tray for spills for the fizzy balloon? (a) needed (b) not needed
30. 30.True or false: baking soda water is an acid. (a) True (b) False
31. 31.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) an empty bottle (c) baking soda (d) a comb
32. 32.🫧 Which of these is neutral? (a) lemon juice (b) orange juice (c) baking soda water (d) plain water
33. 33.⚖️ 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
34. 34.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is kept the same. (a) False (b) True
35. 35.🫧 Is soap solution an acid, a base or neutral? (a) an acid (b) neutral (c) a base
36. 36.🔍 Which is the odd one out? (a) plain water (b) detergent water (c) soap solution (d) baking soda water
37. 37.True or false: orange juice is a base. (a) False (b) True
38. 38.True or false: a mirror is not needed for the fizzy balloon. (a) True (b) False
39. 39.🔍 Which is the odd one out? (a) salt water (b) sugar water (c) vinegar (d) plain water
40. 40.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the kind of balloon (b) spoons of baking soda (c) size of the balloon (d) the amount of vinegar

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