Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 786 · 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.🔍 Which is the odd one out? (a) detergent water (b) soap solution (c) vinegar (d) baking soda water
2. 2.🔮 The fizzing stops after a while. Why? (a) the gas froze (b) the bottle got tired (c) an ingredient ran out (d) the balloon got cold
3. 3.🔍 Which is the odd one out? (a) lemon juice (b) sugar water (c) vinegar (d) tamarind water
4. 4.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
5. 5.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) vinegar (c) baking soda (d) a comb
6. 6.True or false: lemon juice is an acid. (a) False (b) True
7. 7.⚖️ 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
8. 8.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is the one thing we change. (a) True (b) False
9. 9.🛟 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
10. 10.🫧 Is lemon juice an acid, a base or neutral? (a) a base (b) an acid (c) neutral
11. 11.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a funnel or spoon (c) an empty bottle (d) sugar
12. 12.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) there is no change (b) it grows bigger (c) it turns blue (d) it shrinks
13. 13.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) True (b) False
14. 14.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) spoons of baking soda (b) the same bottle (c) the amount of vinegar (d) the kind of balloon
15. 15.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
16. 16.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a mirror (c) an empty bottle (d) a tray for spills
17. 17.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a seed (c) a battery cell (d) a balloon
18. 18.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
19. 19.🫧 Is baking soda water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
20. 20.🔮 Predict: you use plain water instead of vinegar. What happens? (a) the balloon bursts (b) very little fizzing (c) a huge eruption (d) it turns to honey
21. 21.True or false: a tray for spills is not needed for the fizzy balloon. (a) True (b) False
22. 22.⚖️ 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
23. 23.🫧 Is curd an acid, a base or neutral? (a) a base (b) an acid (c) neutral
24. 24.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) size of the balloon (b) the amount of vinegar (c) the same bottle (d) the kind of balloon
25. 25.🫧 Which of these is a base? (a) orange juice (b) lemon juice (c) sugar water (d) baking soda water
26. 26.🫧 Which of these is a base? (a) sugar water (b) plain water (c) vinegar (d) soap solution
27. 27.True or false: a comb is not needed for the fizzy balloon. (a) True (b) False
28. 28.🧺 Which of these is not needed for the fizzy balloon? (a) a battery cell (b) a tray for spills (c) a funnel or spoon (d) a balloon
29. 29.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is what we measure. (a) True (b) False
30. 30.⚖️ 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
31. 31.True or false: baking soda is not needed for the fizzy balloon. (a) False (b) True
32. 32.🎈 Why does the balloon blow up? (a) the bottle shrinks (b) vinegar is hot (c) gas is made inside (d) outside air gets in
33. 33.🫧 Is plain water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
34. 34.🧺 Which of these is not needed for the fizzy balloon? (a) a seed (b) a tray for spills (c) vinegar (d) a funnel or spoon
35. 35.True or false: an empty bottle is not needed for the fizzy balloon. (a) False (b) True
36. 36.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a battery cell (c) a balloon (d) an empty bottle
37. 37.🔍 Which is the odd one out? (a) salt water (b) baking soda water (c) sugar water (d) plain water
38. 38.True or false: sugar water is a base. (a) True (b) False
39. 39.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the kind of balloon (b) spoons of baking soda (c) size of the balloon
40. 40.True or false: soap solution is an acid. (a) True (b) False

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