Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 133 · 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.🧺 Do we need sugar for the fizzy balloon? (a) not needed (b) needed
2. 2.🫧 Is curd an acid, a base or neutral? (a) an acid (b) neutral (c) a base
3. 3.True or false: orange juice is neutral. (a) True (b) False
4. 4.⚖️ 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
5. 5.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a mirror (c) baking soda (d) a balloon
6. 6.🛟 What should you do if vinegar splashes in your eye? (a) rinse with clean water (b) add baking soda (c) ignore it (d) rub it hard
7. 7.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is kept the same. (a) False (b) True
8. 8.True or false: a balloon is needed for the fizzy balloon. (a) True (b) False
9. 9.🧺 Do we need a battery cell for the fizzy balloon? (a) not needed (b) needed
10. 10.🫧 Is sugar water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
11. 11.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the amount of vinegar (b) size of the balloon (c) spoons of baking soda
12. 12.🔍 Which is the odd one out? (a) detergent water (b) lemon juice (c) orange juice (d) curd
13. 13.🫧 What do you see when baking soda meets vinegar? (a) it turns to ice (b) lots of fizzy bubbles (c) nothing at all (d) it glows in the dark
14. 14.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) helium (c) carbon dioxide (d) hydrogen
15. 15.True or false: a tray for spills is not needed for the fizzy balloon. (a) True (b) False
16. 16.True or false: baking soda water is an acid. (a) False (b) True
17. 17.🔍 Which is the odd one out? (a) curd (b) tamarind water (c) sugar water (d) orange juice
18. 18.True or false: vinegar is a base. (a) False (b) True
19. 19.True or false: salt water is an acid. (a) True (b) False
20. 20.⚖️ 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 same bottle
21. 21.🫧 Which of these is neutral? (a) orange juice (b) soap solution (c) vinegar (d) plain water
22. 22.True or false: a seed is not needed for the fizzy balloon. (a) False (b) True
23. 23.🔍 Which is the odd one out? (a) baking soda water (b) soap solution (c) plain water (d) detergent water
24. 24.🛟 Which safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) seal it in a glass jar (c) shake it near your face (d) put it in your mouth
25. 25.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
26. 26.🧺 Which of these is not needed for the fizzy balloon? (a) sugar (b) a funnel or spoon (c) vinegar (d) baking soda
27. 27.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) a magnet (c) baking soda (d) a funnel or spoon
28. 28.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) a comb (c) an empty bottle (d) a tray for spills
29. 29.⚖️ 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
30. 30.⚖️ 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 measure it (c) we keep it the same
31. 31.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) an empty bottle (c) a funnel or spoon (d) sugar
32. 32.📘 Is the fizzing a sign that a new substance is made? (a) yes, a new gas forms (b) it is only dissolving (c) it is only melting (d) no, nothing changes
33. 33.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a seed (c) a funnel or spoon (d) a comb
34. 34.📘 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
35. 35.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) an empty bottle (c) vinegar (d) a battery cell
36. 36.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a comb (c) a mirror (d) vinegar
37. 37.🧺 Do we need a balloon for the fizzy balloon? (a) needed (b) not needed
38. 38.🔍 Which is the odd one out? (a) orange juice (b) lemon juice (c) soap solution (d) curd
39. 39.True or false: a battery cell is needed for the fizzy balloon. (a) False (b) True
40. 40.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) it turns to honey (c) very little fizzing (d) the balloon bursts

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