Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 733 · 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.🫧 Which of these is neutral? (a) curd (b) soap solution (c) detergent water (d) sugar water
2. 2.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) a tray for spills (c) a mirror (d) a balloon
3. 3.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
4. 4.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is kept the same. (a) True (b) False
5. 5.⚖️ 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 same bottle
6. 6.⚖️ 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
7. 7.⚖️ 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 kind of balloon (c) size of the balloon
8. 8.⚖️ 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
9. 9.🎈 Why does the balloon blow up? (a) the bottle shrinks (b) outside air gets in (c) vinegar is hot (d) gas is made inside
10. 10.True or false: vinegar is needed for the fizzy balloon. (a) True (b) False
11. 11.🧺 Do we need a seed for the fizzy balloon? (a) not needed (b) needed
12. 12.🧺 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 battery cell (d) an empty bottle
13. 13.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) very little fizzing (c) the balloon bursts (d) it turns to honey
14. 14.🧺 Do we need a mirror for the fizzy balloon? (a) needed (b) not needed
15. 15.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
16. 16.True or false: orange juice is an acid. (a) True (b) False
17. 17.🫧 Which of these is a base? (a) salt water (b) tamarind water (c) soap solution (d) vinegar
18. 18.🛟 What should you do if vinegar splashes in your eye? (a) rinse with clean water (b) rub it hard (c) add baking soda (d) ignore it
19. 19.True or false: a magnet is not needed for the fizzy balloon. (a) True (b) False
20. 20.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they react (b) they float apart (c) they freeze (d) they become magnets
21. 21.⚖️ 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 keep it the same (c) we change it
22. 22.True or false: a tray for spills is needed for the fizzy balloon. (a) False (b) True
23. 23.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is the one thing we change. (a) False (b) True
24. 24.🫧 Is curd an acid, a base or neutral? (a) neutral (b) a base (c) an acid
25. 25.🫧 Is salt water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
26. 26.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a magnet (c) a funnel or spoon (d) a battery cell
27. 27.🫧 Is tamarind water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
28. 28.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a seed (c) a tray for spills (d) baking soda
29. 29.🫧 What do you see when baking soda meets vinegar? (a) lots of fizzy bubbles (b) nothing at all (c) it glows in the dark (d) it turns to ice
30. 30.🔮 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
31. 31.🫧 Which of these is neutral? (a) detergent water (b) vinegar (c) orange juice (d) plain water
32. 32.⚖️ 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) size of the balloon (c) the kind of balloon (d) spoons of baking soda
33. 33.🫧 Is lemon juice an acid, a base or neutral? (a) neutral (b) a base (c) an acid
34. 34.True or false: baking soda water is a base. (a) True (b) False
35. 35.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) vinegar (c) sugar (d) a tray for spills
36. 36.True or false: a magnet is needed for the fizzy balloon. (a) True (b) False
37. 37.True or false: soap solution is an acid. (a) False (b) True
38. 38.🔍 Which is the odd one out? (a) salt water (b) lemon juice (c) curd (d) tamarind water
39. 39.True or false: a mirror is not needed for the fizzy balloon. (a) True (b) False
40. 40.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a magnet (c) a battery cell (d) baking soda

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