Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 935 · 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.📘 Is the fizzing a sign that a new substance is made? (a) it is only melting (b) it is only dissolving (c) yes, a new gas forms (d) no, nothing changes
2. 2.⚖️ 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) spoons of baking soda (d) the same bottle
3. 3.🛟 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
4. 4.🧺 Do we need a seed for the fizzy balloon? (a) not needed (b) needed
5. 5.🫧 Which of these is an acid? (a) detergent water (b) salt water (c) sugar water (d) vinegar
6. 6.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is the one thing we change. (a) False (b) True
7. 7.🫧 Is lemon juice an acid, a base or neutral? (a) neutral (b) a base (c) an acid
8. 8.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the same bottle (b) size of the balloon (c) spoons of baking soda
9. 9.⚖️ 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
10. 10.True or false: a balloon is needed for the fizzy balloon. (a) True (b) False
11. 11.True or false: orange juice is an acid. (a) False (b) True
12. 12.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is what we measure. (a) False (b) True
13. 13.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we keep it the same (b) we measure it (c) we change it
14. 14.🧺 Do we need a balloon for the fizzy balloon? (a) needed (b) not needed
15. 15.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) size of the balloon (b) the amount of vinegar (c) the same bottle (d) spoons of baking soda
16. 16.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a balloon (c) a mirror (d) a funnel or spoon
17. 17.🫧 Is plain water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
18. 18.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) the gas froze (c) the balloon got cold (d) an ingredient ran out
19. 19.⚖️ 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
20. 20.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it grows bigger (b) there is no change (c) it shrinks (d) it turns blue
21. 21.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a funnel or spoon (c) a magnet (d) baking soda
22. 22.True or false: sugar water is an acid. (a) False (b) True
23. 23.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we change it (b) we measure it (c) we keep it the same
24. 24.🔍 Which is the odd one out? (a) soap solution (b) baking soda water (c) detergent water (d) plain water
25. 25.🔍 Which is the odd one out? (a) salt water (b) lemon juice (c) curd (d) vinegar
26. 26.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a battery cell (c) a seed (d) vinegar
27. 27.🔍 Which is the odd one out? (a) lemon juice (b) curd (c) detergent water (d) vinegar
28. 28.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is what we measure. (a) False (b) True
29. 29.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a battery cell (c) sugar (d) a balloon
30. 30.🫧 What do you see when baking soda meets vinegar? (a) it glows in the dark (b) nothing at all (c) lots of fizzy bubbles (d) it turns to ice
31. 31.🔮 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
32. 32.True or false: a battery cell is needed for the fizzy balloon. (a) True (b) False
33. 33.True or false: salt water is neutral. (a) True (b) False
34. 34.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) shake it near your face (c) keep it away from eyes (d) put it in your mouth
35. 35.True or false: a comb is not needed for the fizzy balloon. (a) False (b) True
36. 36.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) sugar (c) an empty bottle (d) a funnel or spoon
37. 37.True or false: a tray for spills is not needed for the fizzy balloon. (a) True (b) False
38. 38.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we change it (b) we keep it the same (c) we measure it
39. 39.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) baking soda (c) a tray for spills (d) a battery cell
40. 40.⚖️ 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

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