Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 147 · 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 battery cell for the fizzy balloon? (a) not needed (b) needed
2. 2.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) vinegar (c) a seed (d) a funnel or spoon
3. 3.🛟 What should you do if vinegar splashes in your eye? (a) rinse with clean water (b) add baking soda (c) rub it hard (d) ignore it
4. 4.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) put it in your mouth (c) seal it in a glass jar (d) keep it away from eyes
5. 5.🫧 Is lemon juice an acid, a base or neutral? (a) a base (b) neutral (c) an acid
6. 6.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) it turns blue (c) there is no change (d) it grows bigger
7. 7.🫧 Which of these is neutral? (a) orange juice (b) soap solution (c) salt water (d) baking soda water
8. 8.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a comb (c) a funnel or spoon (d) an empty bottle
9. 9.⚖️ 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 same bottle (c) the kind of balloon (d) spoons of baking soda
10. 10.🫧 Is salt water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
11. 11.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we measure it (b) we keep it the same (c) we change it
12. 12.🧺 Do we need a mirror for the fizzy balloon? (a) needed (b) not needed
13. 13.📘 Is the fizzing a sign that a new substance is made? (a) it is only melting (b) yes, a new gas forms (c) no, nothing changes (d) it is only dissolving
14. 14.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) baking soda (c) a seed (d) a mirror
15. 15.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a magnet (b) baking soda (c) a funnel or spoon (d) vinegar
16. 16.🫧 Is baking soda water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
17. 17.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) spoons of baking soda (b) size of the balloon (c) the same bottle (d) the amount of vinegar
18. 18.🫧 Is orange juice an acid, a base or neutral? (a) a base (b) neutral (c) an acid
19. 19.🔍 Which is the odd one out? (a) sugar water (b) lemon juice (c) salt water (d) plain water
20. 20.True or false: plain water is a base. (a) False (b) True
21. 21.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) carbon dioxide (c) hydrogen (d) helium
22. 22.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) very little fizzing (c) it turns to honey (d) the balloon bursts
23. 23.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we keep it the same (b) we change it (c) we measure it
24. 24.🔍 Which is the odd one out? (a) soap solution (b) baking soda water (c) detergent water (d) curd
25. 25.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the kind of balloon (b) size of the balloon (c) spoons of baking soda
26. 26.🎈 Why does the balloon blow up? (a) the bottle shrinks (b) outside air gets in (c) vinegar is hot (d) gas is made inside
27. 27.⚖️ 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
28. 28.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) lots of fizzy bubbles (c) it glows in the dark (d) it turns to ice
29. 29.🫧 Is sugar water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
30. 30.⚖️ 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
31. 31.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) vinegar (c) an empty bottle (d) a mirror
32. 32.🧺 Do we need a tray for spills for the fizzy balloon? (a) needed (b) not needed
33. 33.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a tray for spills (c) sugar (d) a seed
34. 34.🧺 Do we need a seed for the fizzy balloon? (a) not needed (b) needed
35. 35.True or false: a comb is not needed for the fizzy balloon. (a) True (b) False
36. 36.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a balloon (c) a comb (d) a seed
37. 37.True or false: curd is an acid. (a) True (b) False
38. 38.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) an empty bottle (c) a balloon (d) a magnet
39. 39.⚖️ 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
40. 40.🫧 Which of these is an acid? (a) plain water (b) lemon juice (c) baking soda water (d) soap solution

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