Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 610 · 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.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a balloon (c) a mirror (d) vinegar
2. 2.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
3. 3.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
4. 4.🫧 Is soap solution an acid, a base or neutral? (a) neutral (b) an acid (c) a base
5. 5.🔮 Predict: you use plain water instead of vinegar. What happens? (a) very little fizzing (b) it turns to honey (c) the balloon bursts (d) a huge eruption
6. 6.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) helium (c) carbon dioxide (d) hydrogen
7. 7.True or false: vinegar is an acid. (a) True (b) False
8. 8.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) there is no change (c) it turns blue (d) it grows bigger
9. 9.🫧 Which of these is an acid? (a) soap solution (b) plain water (c) lemon juice (d) detergent water
10. 10.True or false: a battery cell is not needed for the fizzy balloon. (a) False (b) True
11. 11.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we measure it (b) we change it (c) we keep it the same
12. 12.🧺 Do we need a seed for the fizzy balloon? (a) not needed (b) needed
13. 13.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a tray for spills (c) a balloon (d) a comb
14. 14.🧺 Which of these is needed for the fizzy balloon? (a) a funnel or spoon (b) a mirror (c) a seed (d) a magnet
15. 15.True or false: baking soda is needed for the fizzy balloon. (a) True (b) False
16. 16.⚖️ 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) size of the balloon (c) spoons of baking soda (d) the same bottle
17. 17.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we keep it the same (b) we measure it (c) we change it
18. 18.⚖️ 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 keep it the same (c) we measure it
19. 19.🔍 Which is the odd one out? (a) sugar water (b) salt water (c) plain water (d) detergent water
20. 20.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) put it in your mouth (c) shake it near your face (d) keep it away from eyes
21. 21.⚖️ 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 same bottle (d) the amount of vinegar
22. 22.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) an empty bottle (c) a magnet (d) sugar
23. 23.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a battery cell (c) vinegar (d) a comb
24. 24.True or false: lemon juice is an acid. (a) False (b) True
25. 25.True or false: a balloon is not needed for the fizzy balloon. (a) False (b) True
26. 26.True or false: vinegar is not needed for the fizzy balloon. (a) True (b) False
27. 27.🛟 What should you do if vinegar splashes in your eye? (a) rinse with clean water (b) add baking soda (c) rub it hard (d) ignore it
28. 28.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
29. 29.🎈 Why does the balloon blow up? (a) outside air gets in (b) vinegar is hot (c) gas is made inside (d) the bottle shrinks
30. 30.🫧 Which of these is an acid? (a) plain water (b) soap solution (c) curd (d) sugar water
31. 31.🔍 Which is the odd one out? (a) baking soda water (b) orange juice (c) soap solution (d) detergent water
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) the same bottle (c) size of the balloon
33. 33.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is the one thing we change. (a) False (b) True
34. 34.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a magnet (c) vinegar (d) a tray for spills
35. 35.True or false: salt water is an acid. (a) True (b) False
36. 36.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a seed (b) an empty bottle (c) a balloon (d) baking soda
37. 37.True or false: vinegar is needed for the fizzy balloon. (a) False (b) True
38. 38.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they float apart (b) they freeze (c) they react (d) they become magnets
39. 39.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) True (b) False
40. 40.🫧 Which of these is an acid? (a) orange juice (b) salt water (c) sugar water (d) baking soda water

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