Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 697 · 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 a mirror for the fizzy balloon? (a) needed (b) not needed
2. 2.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we measure it (b) we keep it the same (c) we change it
3. 3.🔍 Which is the odd one out? (a) sugar water (b) salt water (c) baking soda water (d) plain water
4. 4.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a seed (b) baking soda (c) a tray for spills (d) a funnel or spoon
5. 5.True or false: baking soda water is neutral. (a) True (b) False
6. 6.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
7. 7.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) vinegar (c) a funnel or spoon (d) a battery cell
8. 8.🫧 Is curd an acid, a base or neutral? (a) an acid (b) neutral (c) a base
9. 9.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they react (b) they freeze (c) they float apart (d) they become magnets
10. 10.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) an empty bottle (c) a mirror (d) baking soda
11. 11.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a mirror (b) a tray for spills (c) vinegar (d) a balloon
12. 12.True or false: a comb is not needed for the fizzy balloon. (a) True (b) False
13. 13.True or false: a mirror is needed for the fizzy balloon. (a) False (b) True
14. 14.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a magnet (b) an empty bottle (c) baking soda (d) a tray for spills
15. 15.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is kept the same. (a) False (b) True
16. 16.🧺 Do we need a seed for the fizzy balloon? (a) needed (b) not needed
17. 17.🔍 Which is the odd one out? (a) lemon juice (b) vinegar (c) plain water (d) tamarind water
18. 18.🧺 Do we need a battery cell for the fizzy balloon? (a) needed (b) not needed
19. 19.True or false: baking soda is not needed for the fizzy balloon. (a) False (b) True
20. 20.🫧 What do you see when baking soda meets vinegar? (a) it glows in the dark (b) lots of fizzy bubbles (c) nothing at all (d) it turns to ice
21. 21.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the same bottle (b) the amount of vinegar (c) the kind of balloon (d) spoons of baking soda
22. 22.True or false: baking soda is needed for the fizzy balloon. (a) True (b) False
23. 23.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the amount of vinegar (b) size of the balloon (c) the same bottle (d) spoons of baking soda
24. 24.⚖️ 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
25. 25.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we keep it the same (b) we measure it (c) we change it
26. 26.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) carbon dioxide (b) oxygen (c) hydrogen (d) helium
27. 27.True or false: sugar is needed for the fizzy balloon. (a) False (b) True
28. 28.🧺 Do we need sugar for the fizzy balloon? (a) not needed (b) needed
29. 29.🛟 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
30. 30.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we change it (b) we keep it the same (c) we measure it
31. 31.🔮 Predict: you use plain water instead of vinegar. What happens? (a) the balloon bursts (b) it turns to honey (c) a huge eruption (d) very little fizzing
32. 32.True or false: plain water is an acid. (a) True (b) False
33. 33.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
34. 34.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
35. 35.🫧 Which of these is neutral? (a) orange juice (b) detergent water (c) plain water (d) curd
36. 36.🔮 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
37. 37.⚖️ 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
38. 38.🫧 Is orange juice an acid, a base or neutral? (a) neutral (b) a base (c) an acid
39. 39.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) needed (b) not needed
40. 40.🔍 Which is the odd one out? (a) detergent water (b) soap solution (c) baking soda water (d) salt water

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