Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 570 · 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.⚖️ 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
2. 2.🧺 Do we need sugar for the fizzy balloon? (a) not needed (b) needed
3. 3.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a balloon (c) a seed (d) an empty bottle
4. 4.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a magnet (c) vinegar (d) an empty bottle
5. 5.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) size of the balloon (b) the same bottle (c) spoons of baking soda
6. 6.🎈 Why does the balloon blow up? (a) outside air gets in (b) vinegar is hot (c) the bottle shrinks (d) gas is made inside
7. 7.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) sugar (c) baking soda (d) a funnel or spoon
8. 8.True or false: sugar water is neutral. (a) True (b) False
9. 9.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) size of the balloon (b) spoons of baking soda (c) the kind of balloon (d) the same bottle
10. 10.⚖️ 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) size of the balloon (c) the same bottle (d) the amount of vinegar
11. 11.🔍 Which is the odd one out? (a) vinegar (b) orange juice (c) soap solution (d) tamarind water
12. 12.🧺 Do we need a comb for the fizzy balloon? (a) not needed (b) needed
13. 13.🔍 Which is the odd one out? (a) sugar water (b) baking soda water (c) soap solution (d) detergent water
14. 14.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a tray for spills (c) sugar (d) vinegar
15. 15.🧺 Which of these is needed for the fizzy balloon? (a) a balloon (b) a seed (c) a battery cell (d) a mirror
16. 16.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a comb (c) a seed (d) baking soda
17. 17.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) an empty bottle (c) a battery cell (d) vinegar
18. 18.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is kept the same. (a) True (b) False
19. 19.🧺 Do we need a tray for spills for the fizzy balloon? (a) needed (b) not needed
20. 20.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
21. 21.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is what we measure. (a) True (b) False
22. 22.True or false: a seed is needed for the fizzy balloon. (a) True (b) False
23. 23.🧺 Do we need a mirror for the fizzy balloon? (a) needed (b) not needed
24. 24.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a mirror (c) a tray for spills (d) a funnel or spoon
25. 25.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is kept the same. (a) True (b) False
26. 26.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) rinse with clean water (c) ignore it (d) rub it hard
27. 27.True or false: orange juice is an acid. (a) True (b) False
28. 28.True or false: a comb is needed for the fizzy balloon. (a) True (b) False
29. 29.🫧 Which of these is an acid? (a) soap solution (b) lemon juice (c) sugar water (d) detergent water
30. 30.True or false: salt water is neutral. (a) False (b) True
31. 31.🫧 Which of these is a base? (a) plain water (b) soap solution (c) tamarind water (d) orange juice
32. 32.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) spoons of baking soda (b) size of the balloon (c) the kind of balloon
33. 33.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a funnel or spoon (c) a comb (d) baking soda
34. 34.🫧 Which of these is a base? (a) detergent water (b) orange juice (c) lemon juice (d) tamarind water
35. 35.True or false: a mirror is not needed for the fizzy balloon. (a) False (b) True
36. 36.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) the balloon bursts (c) very little fizzing (d) a huge eruption
37. 37.🔍 Which is the odd one out? (a) plain water (b) sugar water (c) salt water (d) curd
38. 38.⚖️ 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
39. 39.🔮 The fizzing stops after a while. Why? (a) an ingredient ran out (b) the bottle got tired (c) the balloon got cold (d) the gas froze
40. 40.🫧 Is plain water an acid, a base or neutral? (a) an acid (b) neutral (c) a base

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