Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 629 · 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) True (b) False
2. 2.🔍 Which is the odd one out? (a) sugar water (b) lemon juice (c) vinegar (d) tamarind water
3. 3.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) an empty bottle (c) baking soda (d) a magnet
4. 4.🧺 Which of these is needed for the fizzy balloon? (a) a funnel or spoon (b) a mirror (c) a magnet (d) a comb
5. 5.⚖️ 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 keep it the same (c) we change it
6. 6.True or false: orange juice is a base. (a) True (b) False
7. 7.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) seal it in a glass jar (c) keep it away from eyes (d) shake it near your face
8. 8.🔍 Which is the odd one out? (a) detergent water (b) baking soda water (c) lemon juice (d) soap solution
9. 9.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a comb (c) baking soda (d) a magnet
10. 10.🎈 Why does the balloon blow up? (a) gas is made inside (b) outside air gets in (c) the bottle shrinks (d) vinegar is hot
11. 11.⚖️ 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
12. 12.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a seed (c) vinegar (d) a comb
13. 13.🔍 Which is the odd one out? (a) vinegar (b) lemon juice (c) detergent water (d) orange juice
14. 14.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they freeze (b) they become magnets (c) they react (d) they float apart
15. 15.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we change it (b) we measure it (c) we keep it the same
16. 16.⚖️ 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 change it (c) we keep it the same
17. 17.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) ignore it (c) rinse with clean water (d) rub it hard
18. 18.True or false: a magnet is needed for the fizzy balloon. (a) True (b) False
19. 19.🫧 Which of these is an acid? (a) salt water (b) baking soda water (c) sugar water (d) tamarind water
20. 20.🫧 Which of these is an acid? (a) salt water (b) orange juice (c) plain water (d) soap solution
21. 21.🫧 Is baking soda water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
22. 22.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a funnel or spoon (c) a comb (d) a tray for spills
23. 23.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) needed (b) not needed
24. 24.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
25. 25.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a battery cell (c) vinegar (d) baking soda
26. 26.🔍 Which is the odd one out? (a) vinegar (b) baking soda water (c) lemon juice (d) tamarind water
27. 27.🔮 The fizzing stops after a while. Why? (a) the gas froze (b) an ingredient ran out (c) the balloon got cold (d) the bottle got tired
28. 28.⚖️ 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
29. 29.🫧 Is orange juice an acid, a base or neutral? (a) a base (b) neutral (c) an acid
30. 30.🫧 Which of these is an acid? (a) salt water (b) detergent water (c) plain water (d) vinegar
31. 31.True or false: detergent water is a base. (a) False (b) True
32. 32.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) the balloon bursts (c) it turns to honey (d) very little fizzing
33. 33.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) size of the balloon (b) the amount of vinegar (c) spoons of baking soda (d) the same bottle
34. 34.True or false: sugar water is a base. (a) True (b) False
35. 35.🫧 Which of these is neutral? (a) detergent water (b) baking soda water (c) tamarind water (d) salt water
36. 36.🫧 Which of these is a base? (a) lemon juice (b) soap solution (c) vinegar (d) sugar water
37. 37.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a seed (b) baking soda (c) a funnel or spoon (d) an empty bottle
38. 38.⚖️ 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
39. 39.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) a balloon (c) a magnet (d) vinegar
40. 40.🧺 Do we need a tray for spills for the fizzy balloon? (a) needed (b) not needed

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