Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 608 · 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 magnet (b) baking soda (c) an empty bottle (d) a balloon
2. 2.🔮 The fizzing stops after a while. Why? (a) an ingredient ran out (b) the gas froze (c) the balloon got cold (d) the bottle got tired
3. 3.True or false: vinegar is needed for the fizzy balloon. (a) False (b) True
4. 4.🫧 Is detergent water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
5. 5.📘 Is the fizzing a sign that a new substance is made? (a) no, nothing changes (b) it is only dissolving (c) yes, a new gas forms (d) it is only melting
6. 6.True or false: a comb is not needed for the fizzy balloon. (a) False (b) True
7. 7.True or false: vinegar is not needed for the fizzy balloon. (a) True (b) False
8. 8.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) seal it in a glass jar (c) keep it away from eyes (d) put it in your mouth
9. 9.🫧 Is orange juice an acid, a base or neutral? (a) an acid (b) a base (c) neutral
10. 10.🔍 Which is the odd one out? (a) soap solution (b) baking soda water (c) lemon juice (d) detergent water
11. 11.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) rub it hard (c) rinse with clean water (d) ignore it
12. 12.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) spoons of baking soda (b) the same bottle (c) the amount of vinegar (d) size of the balloon
13. 13.🔍 Which is the odd one out? (a) baking soda water (b) soap solution (c) tamarind water (d) detergent water
14. 14.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a balloon (c) vinegar (d) sugar
15. 15.🧺 Which of these is not needed for the fizzy balloon? (a) a comb (b) baking soda (c) a funnel or spoon (d) a tray for spills
16. 16.🔮 Predict: you use plain water instead of vinegar. What happens? (a) the balloon bursts (b) a huge eruption (c) it turns to honey (d) very little fizzing
17. 17.True or false: salt water is neutral. (a) False (b) True
18. 18.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is what we measure. (a) True (b) False
19. 19.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
20. 20.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is kept the same. (a) True (b) False
21. 21.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) it grows bigger (c) it turns blue (d) there is no change
22. 22.⚖️ 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
23. 23.🔍 Which is the odd one out? (a) soap solution (b) plain water (c) salt water (d) sugar water
24. 24.⚖️ 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 amount of vinegar (c) size of the balloon
25. 25.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) hydrogen (b) oxygen (c) helium (d) carbon dioxide
26. 26.⚖️ 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) False (b) True
27. 27.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
28. 28.🔍 Which is the odd one out? (a) plain water (b) salt water (c) vinegar (d) sugar water
29. 29.⚖️ 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
30. 30.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we keep it the same (b) we change it (c) we measure it
31. 31.🧺 Which of these is needed for the fizzy balloon? (a) an empty bottle (b) a mirror (c) a magnet (d) a battery cell
32. 32.True or false: a seed is needed for the fizzy balloon. (a) False (b) True
33. 33.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
34. 34.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a mirror (b) an empty bottle (c) a balloon (d) a tray for spills
35. 35.True or false: orange juice is an acid. (a) True (b) False
36. 36.🫧 Which of these is neutral? (a) vinegar (b) orange juice (c) salt water (d) baking soda water
37. 37.🫧 What do you see when baking soda meets vinegar? (a) it turns to ice (b) it glows in the dark (c) nothing at all (d) lots of fizzy bubbles
38. 38.🫧 Is soap solution an acid, a base or neutral? (a) neutral (b) a base (c) an acid
39. 39.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is kept the same. (a) False (b) True
40. 40.True or false: an empty bottle is needed for the fizzy balloon. (a) True (b) False

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