Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 58 · 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.⚖️ 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 keep it the same (c) we change it
2. 2.🫧 Which of these is an acid? (a) sugar water (b) plain water (c) baking soda water (d) lemon juice
3. 3.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a mirror (b) baking soda (c) a funnel or spoon (d) an empty bottle
4. 4.🔍 Which is the odd one out? (a) tamarind water (b) vinegar (c) baking soda water (d) orange juice
5. 5.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) sugar (b) vinegar (c) baking soda (d) a funnel or spoon
6. 6.🫧 Is tamarind water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
7. 7.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
8. 8.🔍 Which is the odd one out? (a) sugar water (b) salt water (c) plain water (d) curd
9. 9.🫧 What do you see when baking soda meets vinegar? (a) lots of fizzy bubbles (b) it glows in the dark (c) nothing at all (d) it turns to ice
10. 10.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a magnet (c) a tray for spills (d) sugar
11. 11.True or false: a tray for spills is not needed for the fizzy balloon. (a) True (b) False
12. 12.📘 Is the fizzing a sign that a new substance is made? (a) it is only dissolving (b) yes, a new gas forms (c) it is only melting (d) no, nothing changes
13. 13.⚖️ 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 measure it (c) we change it
14. 14.🫧 Is lemon juice an acid, a base or neutral? (a) neutral (b) an acid (c) a base
15. 15.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a magnet (c) baking soda (d) an empty bottle
16. 16.True or false: detergent water is neutral. (a) False (b) True
17. 17.🧺 Do we need a seed for the fizzy balloon? (a) not needed (b) needed
18. 18.🧺 Which of these is not needed for the fizzy balloon? (a) a mirror (b) a funnel or spoon (c) a tray for spills (d) an empty bottle
19. 19.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a funnel or spoon (c) a balloon (d) a seed
20. 20.🧺 Do we need a battery cell for the fizzy balloon? (a) not needed (b) needed
21. 21.🧺 Do we need a comb for the fizzy balloon? (a) not needed (b) needed
22. 22.🫧 Is orange juice an acid, a base or neutral? (a) neutral (b) a base (c) an acid
23. 23.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) there is no change (b) it grows bigger (c) it shrinks (d) it turns blue
24. 24.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the same bottle (b) spoons of baking soda (c) size of the balloon (d) the amount of vinegar
25. 25.🫧 Which of these is neutral? (a) soap solution (b) lemon juice (c) vinegar (d) sugar water
26. 26.🔍 Which is the odd one out? (a) tamarind water (b) salt water (c) vinegar (d) orange juice
27. 27.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is what we measure. (a) True (b) False
28. 28.⚖️ 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
29. 29.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) rub it hard (c) rinse with clean water (d) add baking soda
30. 30.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a funnel or spoon (c) a seed (d) a battery cell
31. 31.🧺 Do we need vinegar for the fizzy balloon? (a) needed (b) not needed
32. 32.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a funnel or spoon (c) sugar (d) an empty bottle
33. 33.⚖️ 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
34. 34.⚖️ 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
35. 35.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a mirror (c) baking soda (d) a battery cell
36. 36.True or false: curd is an acid. (a) False (b) True
37. 37.True or false: orange juice is neutral. (a) False (b) True
38. 38.True or false: an empty bottle is needed for the fizzy balloon. (a) False (b) True
39. 39.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they freeze (b) they become magnets (c) they float apart (d) they react
40. 40.⚖️ 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

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