Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 530 · 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.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a tray for spills (c) a magnet (d) an empty bottle
2. 2.🫧 Is plain water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
3. 3.🛟 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
4. 4.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it grows bigger (b) there is no change (c) it turns blue (d) it shrinks
5. 5.⚖️ 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
6. 6.🔍 Which is the odd one out? (a) vinegar (b) soap solution (c) lemon juice (d) orange juice
7. 7.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) the balloon got cold (c) the gas froze (d) an ingredient ran out
8. 8.🎈 Why does the balloon blow up? (a) the bottle shrinks (b) vinegar is hot (c) gas is made inside (d) outside air gets in
9. 9.🫧 Which of these is an acid? (a) orange juice (b) salt water (c) detergent water (d) soap solution
10. 10.🫧 What do you see when baking soda meets vinegar? (a) it glows in the dark (b) it turns to ice (c) nothing at all (d) lots of fizzy bubbles
11. 11.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is what we measure. (a) False (b) True
12. 12.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) size of the balloon (b) the amount of vinegar (c) the same bottle (d) spoons of baking soda
13. 13.True or false: baking soda water is neutral. (a) True (b) False
14. 14.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they freeze (b) they float apart (c) they react (d) they become magnets
15. 15.True or false: sugar water is neutral. (a) False (b) True
16. 16.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
17. 17.🔍 Which is the odd one out? (a) vinegar (b) orange juice (c) detergent water (d) tamarind water
18. 18.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) carbon dioxide (b) oxygen (c) hydrogen (d) helium
19. 19.🧺 Do we need a seed for the fizzy balloon? (a) not needed (b) needed
20. 20.🫧 Which of these is neutral? (a) sugar water (b) baking soda water (c) curd (d) detergent water
21. 21.⚖️ 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
22. 22.True or false: vinegar is a base. (a) False (b) True
23. 23.True or false: a magnet is needed for the fizzy balloon. (a) False (b) True
24. 24.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) baking soda (c) a comb (d) a battery cell
25. 25.True or false: a battery cell is needed for the fizzy balloon. (a) True (b) False
26. 26.🫧 Is orange juice an acid, a base or neutral? (a) a base (b) an acid (c) neutral
27. 27.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a battery cell (c) a funnel or spoon (d) baking soda
28. 28.🧺 Which of these is not needed for the fizzy balloon? (a) a comb (b) a tray for spills (c) vinegar (d) a funnel or spoon
29. 29.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
30. 30.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) baking soda (c) vinegar (d) a seed
31. 31.🫧 Is soap solution an acid, a base or neutral? (a) an acid (b) neutral (c) a base
32. 32.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) rub it hard (c) ignore it (d) rinse with clean water
33. 33.🔍 Which is the odd one out? (a) vinegar (b) sugar water (c) salt water (d) plain water
34. 34.⚖️ 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
35. 35.True or false: sugar is not needed for the fizzy balloon. (a) False (b) True
36. 36.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is what we measure. (a) True (b) False
37. 37.🫧 Is curd an acid, a base or neutral? (a) neutral (b) an acid (c) a base
38. 38.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) vinegar (c) a mirror (d) baking soda
39. 39.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
40. 40.⚖️ 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

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