Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 87 · 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.True or false: baking soda water is neutral. (a) True (b) False
2. 2.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is kept the same. (a) True (b) False
3. 3.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is what we measure. (a) True (b) False
4. 4.⚖️ 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
5. 5.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
6. 6.⚖️ 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
7. 7.🔍 Which is the odd one out? (a) sugar water (b) plain water (c) salt water (d) soap solution
8. 8.🧺 Which of these is not needed for the fizzy balloon? (a) a comb (b) an empty bottle (c) baking soda (d) vinegar
9. 9.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is the one thing we change. (a) True (b) False
10. 10.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) baking soda (c) a comb (d) a funnel or spoon
11. 11.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) it turns blue (c) it grows bigger (d) there is no change
12. 12.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) keep it away from eyes (c) put it in your mouth (d) shake it near your face
13. 13.⚖️ 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
14. 14.True or false: an empty bottle is not needed for the fizzy balloon. (a) False (b) True
15. 15.🔍 Which is the odd one out? (a) sugar water (b) plain water (c) salt water (d) detergent water
16. 16.True or false: plain water is a base. (a) True (b) False
17. 17.⚖️ 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
18. 18.🔮 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
19. 19.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a balloon (c) baking soda (d) a magnet
20. 20.🫧 Which of these is a base? (a) detergent water (b) curd (c) orange juice (d) vinegar
21. 21.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a balloon (c) sugar (d) a tray for spills
22. 22.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) spoons of baking soda (b) the amount of vinegar (c) the same bottle (d) the kind of balloon
23. 23.🫧 Is salt water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
24. 24.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) helium (b) oxygen (c) carbon dioxide (d) hydrogen
25. 25.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) needed (b) not needed
26. 26.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a mirror (c) vinegar (d) baking soda
27. 27.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
28. 28.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a funnel or spoon (c) sugar (d) a battery cell
29. 29.🫧 Is vinegar an acid, a base or neutral? (a) a base (b) neutral (c) an acid
30. 30.🧺 Do we need vinegar for the fizzy balloon? (a) needed (b) not needed
31. 31.🫧 What do you see when baking soda meets vinegar? (a) lots of fizzy bubbles (b) it glows in the dark (c) it turns to ice (d) nothing at all
32. 32.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
33. 33.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) baking soda (c) sugar (d) a magnet
34. 34.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) size of the balloon (b) the kind of balloon (c) spoons of baking soda
35. 35.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) a seed (c) a tray for spills (d) a balloon
36. 36.🔍 Which is the odd one out? (a) lemon juice (b) detergent water (c) baking soda water (d) soap solution
37. 37.True or false: orange juice is neutral. (a) True (b) False
38. 38.True or false: vinegar is needed for the fizzy balloon. (a) True (b) False
39. 39.🫧 Is plain water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
40. 40.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) a tray for spills (c) baking soda (d) a magnet

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