Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 885 · 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) a seed (b) a tray for spills (c) an empty bottle (d) a funnel or spoon
2. 2.🛟 Which safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) shake it near your face (c) seal it in a glass jar (d) put it in your mouth
3. 3.🫧 Which of these is neutral? (a) vinegar (b) orange juice (c) detergent water (d) plain water
4. 4.🫧 Is baking soda water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
5. 5.🫧 Is salt water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
6. 6.🫧 Is detergent water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
7. 7.⚖️ 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 kind of balloon (d) spoons of baking soda
8. 8.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a balloon (c) vinegar (d) a battery cell
9. 9.⚖️ 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 keep it the same (c) we change it
10. 10.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
11. 11.🧺 Do we need a mirror for the fizzy balloon? (a) needed (b) not needed
12. 12.⚖️ 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
13. 13.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) sugar (b) a funnel or spoon (c) baking soda (d) a tray for spills
14. 14.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) a tray for spills (c) a comb (d) a balloon
15. 15.🧺 Which of these is not needed for the fizzy balloon? (a) a battery cell (b) a tray for spills (c) an empty bottle (d) a balloon
16. 16.⚖️ 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 change it (c) we keep it the same
17. 17.True or false: baking soda water is a base. (a) False (b) True
18. 18.True or false: soap solution is a base. (a) True (b) False
19. 19.🫧 Which of these is a base? (a) orange juice (b) baking soda water (c) vinegar (d) plain water
20. 20.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they freeze (b) they react (c) they float apart (d) they become magnets
21. 21.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is kept the same. (a) True (b) False
22. 22.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a balloon (c) a magnet (d) a funnel or spoon
23. 23.🔍 Which is the odd one out? (a) lemon juice (b) vinegar (c) curd (d) plain water
24. 24.True or false: orange juice is neutral. (a) True (b) False
25. 25.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) there is no change (b) it turns blue (c) it shrinks (d) it grows bigger
26. 26.🎈 Why does the balloon blow up? (a) vinegar is hot (b) the bottle shrinks (c) outside air gets in (d) gas is made inside
27. 27.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) helium (c) carbon dioxide (d) hydrogen
28. 28.🫧 Which of these is an acid? (a) detergent water (b) plain water (c) salt water (d) lemon juice
29. 29.⚖️ 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 amount of vinegar (d) the kind of balloon
30. 30.🧺 Do we need a comb for the fizzy balloon? (a) not needed (b) needed
31. 31.🔍 Which is the odd one out? (a) sugar water (b) soap solution (c) detergent water (d) baking soda water
32. 32.🫧 Is curd an acid, a base or neutral? (a) neutral (b) a base (c) an acid
33. 33.🔍 Which is the odd one out? (a) salt water (b) sugar water (c) plain water (d) lemon juice
34. 34.🫧 What do you see when baking soda meets vinegar? (a) it turns to ice (b) nothing at all (c) lots of fizzy bubbles (d) it glows in the dark
35. 35.🫧 Is vinegar an acid, a base or neutral? (a) neutral (b) a base (c) an acid
36. 36.🧺 Do we need a magnet for the fizzy balloon? (a) needed (b) not needed
37. 37.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) very little fizzing (c) it turns to honey (d) the balloon bursts
38. 38.True or false: lemon juice is neutral. (a) False (b) True
39. 39.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) rinse with clean water (c) add baking soda (d) rub it hard
40. 40.True or false: sugar is not needed for the fizzy balloon. (a) False (b) True

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