Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 536 · 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.🎈 Why does the balloon blow up? (a) outside air gets in (b) vinegar is hot (c) gas is made inside (d) the bottle shrinks
2. 2.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a magnet (b) a tray for spills (c) a balloon (d) baking soda
3. 3.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a comb (c) a funnel or spoon (d) a seed
4. 4.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the amount of vinegar (b) the kind of balloon (c) the same bottle (d) spoons of baking soda
5. 5.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is kept the same. (a) False (b) True
6. 6.True or false: sugar is needed for the fizzy balloon. (a) False (b) True
7. 7.True or false: a funnel or spoon is needed for the fizzy balloon. (a) False (b) True
8. 8.🫧 Is orange juice an acid, a base or neutral? (a) a base (b) an acid (c) neutral
9. 9.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a balloon (c) baking soda (d) a comb
10. 10.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a magnet (c) vinegar (d) a seed
11. 11.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) baking soda (c) a magnet (d) a comb
12. 12.🧺 Do we need a comb for the fizzy balloon? (a) not needed (b) needed
13. 13.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) baking soda (c) vinegar (d) a mirror
14. 14.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) seal it in a glass jar (c) put it in your mouth (d) keep it away from eyes
15. 15.True or false: a balloon is not needed for the fizzy balloon. (a) False (b) True
16. 16.True or false: soap solution is neutral. (a) True (b) False
17. 17.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a magnet (c) a mirror (d) a tray for spills
18. 18.True or false: a comb is not needed for the fizzy balloon. (a) False (b) True
19. 19.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) a huge eruption (c) very little fizzing (d) the balloon bursts
20. 20.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) there is no change (b) it grows bigger (c) it turns blue (d) it shrinks
21. 21.⚖️ 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
22. 22.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is the one thing we change. (a) False (b) True
23. 23.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
24. 24.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the same bottle (b) the amount of vinegar (c) the kind of balloon (d) size of the balloon
25. 25.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a magnet (c) an empty bottle (d) a funnel or spoon
26. 26.🧺 Do we need a tray for spills for the fizzy balloon? (a) needed (b) not needed
27. 27.📘 Is the fizzing a sign that a new substance is made? (a) no, nothing changes (b) yes, a new gas forms (c) it is only melting (d) it is only dissolving
28. 28.⚖️ 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
29. 29.True or false: a magnet is not needed for the fizzy balloon. (a) False (b) True
30. 30.⚖️ 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
31. 31.🫧 Which of these is a base? (a) lemon juice (b) detergent water (c) salt water (d) orange juice
32. 32.🫧 Is vinegar an acid, a base or neutral? (a) an acid (b) neutral (c) a base
33. 33.True or false: vinegar is needed for the fizzy balloon. (a) True (b) False
34. 34.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
35. 35.True or false: baking soda is not needed for the fizzy balloon. (a) False (b) True
36. 36.🫧 Which of these is an acid? (a) baking soda water (b) curd (c) sugar water (d) plain water
37. 37.⚖️ 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 measure it (c) we keep it the same
38. 38.🫧 What do you see when baking soda meets vinegar? (a) lots of fizzy bubbles (b) it glows in the dark (c) nothing at all (d) it turns to ice
39. 39.🧺 Which of these is not needed for the fizzy balloon? (a) sugar (b) a funnel or spoon (c) baking soda (d) a balloon
40. 40.True or false: salt water is neutral. (a) True (b) False

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