Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 249 · 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.🫧 Is detergent water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
2. 2.🫧 Which of these is an acid? (a) baking soda water (b) sugar water (c) vinegar (d) plain water
3. 3.⚖️ 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
4. 4.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) ignore it (c) rinse with clean water (d) rub it hard
5. 5.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) a tray for spills (c) a seed (d) a funnel or spoon
6. 6.True or false: sugar is not needed for the fizzy balloon. (a) False (b) True
7. 7.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is the one thing we change. (a) False (b) True
8. 8.True or false: soap solution is a base. (a) False (b) True
9. 9.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) helium (b) carbon dioxide (c) hydrogen (d) oxygen
10. 10.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) the balloon bursts (c) it turns to honey (d) very little fizzing
11. 11.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we change it (b) we measure it (c) we keep it the same
12. 12.🫧 Is sugar water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
13. 13.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) the gas froze (c) the balloon got cold (d) an ingredient ran out
14. 14.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
15. 15.True or false: curd is an acid. (a) False (b) True
16. 16.🫧 Which of these is a base? (a) orange juice (b) baking soda water (c) plain water (d) salt water
17. 17.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the kind of balloon (b) spoons of baking soda (c) the same bottle (d) the amount of vinegar
18. 18.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is what we measure. (a) True (b) False
19. 19.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) sugar (c) a tray for spills (d) a magnet
20. 20.⚖️ 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
21. 21.🧺 Do we need a mirror for the fizzy balloon? (a) needed (b) not needed
22. 22.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) an empty bottle (c) a magnet (d) vinegar
23. 23.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a tray for spills (c) a funnel or spoon (d) sugar
24. 24.True or false: a seed is needed for the fizzy balloon. (a) False (b) True
25. 25.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) a balloon (c) baking soda (d) sugar
26. 26.True or false: a comb is not needed for the fizzy balloon. (a) False (b) True
27. 27.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is kept the same. (a) True (b) False
28. 28.⚖️ 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
29. 29.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a mirror (c) a seed (d) a funnel or spoon
30. 30.True or false: tamarind water is an acid. (a) False (b) True
31. 31.True or false: curd is a base. (a) False (b) True
32. 32.🔍 Which is the odd one out? (a) tamarind water (b) vinegar (c) lemon juice (d) sugar water
33. 33.True or false: a tray for spills is not needed for the fizzy balloon. (a) False (b) True
34. 34.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they freeze (b) they become magnets (c) they react (d) they float apart
35. 35.🫧 What do you see when baking soda meets vinegar? (a) it turns to ice (b) nothing at all (c) it glows in the dark (d) lots of fizzy bubbles
36. 36.True or false: a balloon is not needed for the fizzy balloon. (a) False (b) True
37. 37.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) an empty bottle (c) sugar (d) a battery cell
38. 38.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is the one thing we change. (a) True (b) False
39. 39.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) spoons of baking soda (b) the kind of balloon (c) the same bottle (d) size of the balloon
40. 40.🫧 Is baking soda water an acid, a base or neutral? (a) neutral (b) a base (c) an acid

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