Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 474 · 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 baking soda for the fizzy balloon? (a) needed (b) not needed
2. 2.🫧 Is sugar water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
3. 3.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
4. 4.True or false: a seed is needed for the fizzy balloon. (a) True (b) False
5. 5.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) add baking soda (c) ignore it (d) rinse with clean water
6. 6.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we measure it (b) we change it (c) we keep it the same
7. 7.🛟 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
8. 8.🫧 Is vinegar an acid, a base or neutral? (a) a base (b) an acid (c) neutral
9. 9.🫧 Which of these is an acid? (a) tamarind water (b) detergent water (c) salt water (d) soap solution
10. 10.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) baking soda (c) a battery cell (d) vinegar
11. 11.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) an empty bottle (c) a balloon (d) sugar
12. 12.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
13. 13.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a magnet (c) an empty bottle (d) sugar
14. 14.🫧 Which of these is an acid? (a) detergent water (b) baking soda water (c) plain water (d) lemon juice
15. 15.⚖️ 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 kind of balloon (c) the amount of vinegar (d) spoons of baking soda
16. 16.⚖️ 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
17. 17.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a balloon (c) baking soda (d) a mirror
18. 18.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a battery cell (c) a balloon (d) a comb
19. 19.🧺 Do we need a mirror for the fizzy balloon? (a) needed (b) not needed
20. 20.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we keep it the same (b) we change it (c) we measure it
21. 21.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a funnel or spoon (c) a battery cell (d) baking soda
22. 22.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the same bottle (b) the kind of balloon (c) spoons of baking soda (d) size of the balloon
23. 23.True or false: a comb is needed for the fizzy balloon. (a) False (b) True
24. 24.⚖️ 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) False (b) True
25. 25.🎈 Why does the balloon blow up? (a) outside air gets in (b) gas is made inside (c) the bottle shrinks (d) vinegar is hot
26. 26.True or false: a battery cell is needed for the fizzy balloon. (a) False (b) True
27. 27.True or false: baking soda is not needed for the fizzy balloon. (a) False (b) True
28. 28.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) there is no change (c) it turns blue (d) it grows bigger
29. 29.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a seed (b) a balloon (c) vinegar (d) a tray for spills
30. 30.True or false: a mirror is not needed for the fizzy balloon. (a) True (b) False
31. 31.🫧 Which of these is a base? (a) detergent water (b) vinegar (c) lemon juice (d) sugar water
32. 32.🫧 Is curd an acid, a base or neutral? (a) an acid (b) a base (c) neutral
33. 33.🫧 What do you see when baking soda meets vinegar? (a) lots of fizzy bubbles (b) nothing at all (c) it turns to ice (d) it glows in the dark
34. 34.🫧 Is lemon juice an acid, a base or neutral? (a) an acid (b) neutral (c) a base
35. 35.True or false: an empty bottle is needed for the fizzy balloon. (a) False (b) True
36. 36.⚖️ 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
37. 37.🫧 Which of these is an acid? (a) soap solution (b) sugar water (c) orange juice (d) baking soda water
38. 38.🫧 Is baking soda water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
39. 39.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) a balloon (c) a comb (d) a funnel or spoon
40. 40.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) the balloon bursts (c) a huge eruption (d) very little fizzing

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