Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 282 · 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.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it grows bigger (b) it shrinks (c) there is no change (d) it turns blue
2. 2.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) the balloon bursts (c) very little fizzing (d) it turns to honey
3. 3.🔍 Which is the odd one out? (a) vinegar (b) sugar water (c) salt water (d) plain water
4. 4.🎈 Why does the balloon blow up? (a) vinegar is hot (b) gas is made inside (c) outside air gets in (d) the bottle shrinks
5. 5.🧺 Which of these is not needed for the fizzy balloon? (a) a seed (b) a funnel or spoon (c) a tray for spills (d) an empty bottle
6. 6.🧺 Do we need a magnet for the fizzy balloon? (a) needed (b) not needed
7. 7.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
8. 8.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is what we measure. (a) False (b) True
9. 9.🫧 Which of these is neutral? (a) baking soda water (b) soap solution (c) plain water (d) curd
10. 10.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
11. 11.True or false: soap solution is a base. (a) False (b) True
12. 12.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) size of the balloon (b) spoons of baking soda (c) the same bottle
13. 13.🧺 Do we need a comb for the fizzy balloon? (a) not needed (b) needed
14. 14.True or false: a magnet is not needed for the fizzy balloon. (a) True (b) False
15. 15.True or false: a magnet is needed for the fizzy balloon. (a) True (b) False
16. 16.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is kept the same. (a) False (b) True
17. 17.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) rinse with clean water (c) rub it hard (d) add baking soda
18. 18.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) spoons of baking soda (b) size of the balloon (c) the amount of vinegar
19. 19.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) lots of fizzy bubbles (c) it turns to ice (d) it glows in the dark
20. 20.True or false: a mirror is needed for the fizzy balloon. (a) False (b) True
21. 21.🔍 Which is the odd one out? (a) soap solution (b) salt water (c) detergent water (d) baking soda water
22. 22.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a tray for spills (c) a balloon (d) a mirror
23. 23.🔮 The fizzing stops after a while. Why? (a) the gas froze (b) the balloon got cold (c) the bottle got tired (d) an ingredient ran out
24. 24.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we measure it (b) we keep it the same (c) we change it
25. 25.⚖️ 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 same bottle (c) the amount of vinegar (d) spoons of baking soda
26. 26.🧺 Do we need vinegar for the fizzy balloon? (a) needed (b) not needed
27. 27.🔍 Which is the odd one out? (a) detergent water (b) curd (c) lemon juice (d) vinegar
28. 28.True or false: a balloon is not needed for the fizzy balloon. (a) False (b) True
29. 29.🫧 Is curd an acid, a base or neutral? (a) neutral (b) a base (c) an acid
30. 30.⚖️ 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
31. 31.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we measure it (b) we change it (c) we keep it the same
32. 32.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a comb (c) a tray for spills (d) a funnel or spoon
33. 33.True or false: detergent water is a base. (a) True (b) False
34. 34.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a tray for spills (c) a balloon (d) a magnet
35. 35.🧺 Which of these is needed for the fizzy balloon? (a) an empty bottle (b) sugar (c) a seed (d) a mirror
36. 36.🫧 Is sugar water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
37. 37.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) baking soda (c) a funnel or spoon (d) a mirror
38. 38.🫧 Is baking soda water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
39. 39.🧺 Do we need a battery cell for the fizzy balloon? (a) not needed (b) needed
40. 40.🫧 Which of these is a base? (a) orange juice (b) tamarind water (c) baking soda water (d) lemon juice

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