Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 186 · 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.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) there is no change (c) it grows bigger (d) it turns blue
2. 2.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the amount of vinegar (b) spoons of baking soda (c) size of the balloon
3. 3.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the same bottle (b) the amount of vinegar (c) size of the balloon (d) spoons of baking soda
4. 4.🧺 Do we need a seed for the fizzy balloon? (a) needed (b) not needed
5. 5.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) hydrogen (b) helium (c) oxygen (d) carbon dioxide
6. 6.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a battery cell (c) a balloon (d) a tray for spills
7. 7.🫧 Is lemon juice an acid, a base or neutral? (a) a base (b) neutral (c) an acid
8. 8.🫧 Is baking soda water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
9. 9.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) sugar (c) a tray for spills (d) a seed
10. 10.🫧 Is orange juice an acid, a base or neutral? (a) an acid (b) neutral (c) a base
11. 11.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they float apart (b) they become magnets (c) they freeze (d) they react
12. 12.🧺 Do we need a battery cell for the fizzy balloon? (a) needed (b) not needed
13. 13.🔍 Which is the odd one out? (a) sugar water (b) salt water (c) baking soda water (d) plain water
14. 14.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) baking soda (c) a tray for spills (d) a comb
15. 15.⚖️ 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 amount of vinegar (c) the kind of balloon (d) size of the balloon
16. 16.🔍 Which is the odd one out? (a) salt water (b) sugar water (c) lemon juice (d) plain water
17. 17.🫧 Which of these is neutral? (a) lemon juice (b) baking soda water (c) orange juice (d) plain water
18. 18.⚖️ 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
19. 19.🧺 Which of these is needed for the fizzy balloon? (a) vinegar (b) a mirror (c) a seed (d) a battery cell
20. 20.🎈 Why does the balloon blow up? (a) outside air gets in (b) gas is made inside (c) the bottle shrinks (d) vinegar is hot
21. 21.🫧 Is tamarind water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
22. 22.⚖️ 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
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) True (b) False
24. 24.True or false: sugar is not needed for the fizzy balloon. (a) False (b) True
25. 25.🔮 The fizzing stops after a while. Why? (a) the gas froze (b) the balloon got cold (c) an ingredient ran out (d) the bottle got tired
26. 26.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) keep it away from eyes (c) put it in your mouth (d) seal it in a glass jar
27. 27.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a mirror (c) a magnet (d) a funnel or spoon
28. 28.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) a magnet (c) a tray for spills (d) baking soda
29. 29.🫧 Is sugar water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
30. 30.🫧 Is curd an acid, a base or neutral? (a) an acid (b) neutral (c) a base
31. 31.🫧 Which of these is an acid? (a) plain water (b) tamarind water (c) detergent water (d) sugar water
32. 32.🧺 Which of these is needed for the fizzy balloon? (a) a balloon (b) a seed (c) a magnet (d) a battery cell
33. 33.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a seed (b) vinegar (c) baking soda (d) a balloon
34. 34.True or false: salt water is neutral. (a) True (b) False
35. 35.🧺 Do we need vinegar for the fizzy balloon? (a) needed (b) not needed
36. 36.🔍 Which is the odd one out? (a) soap solution (b) detergent water (c) baking soda water (d) sugar water
37. 37.🫧 Is plain water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
38. 38.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) rub it hard (c) add baking soda (d) rinse with clean water
39. 39.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
40. 40.🔍 Which is the odd one out? (a) salt water (b) plain water (c) soap solution (d) sugar water

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