Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 109 · 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.True or false: orange juice is neutral. (a) True (b) False
2. 2.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) sugar (c) vinegar (d) a battery cell
3. 3.🧺 Which of these is not needed for the fizzy balloon? (a) a magnet (b) a funnel or spoon (c) a balloon (d) vinegar
4. 4.⚖️ 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 amount of vinegar (d) the same bottle
5. 5.🔮 Predict: you use plain water instead of vinegar. What happens? (a) very little fizzing (b) the balloon bursts (c) a huge eruption (d) it turns to honey
6. 6.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) vinegar (c) a battery cell (d) a funnel or spoon
7. 7.🎈 Why does the balloon blow up? (a) outside air gets in (b) vinegar is hot (c) the bottle shrinks (d) gas is made inside
8. 8.True or false: a comb is needed for the fizzy balloon. (a) True (b) False
9. 9.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they freeze (b) they react (c) they become magnets (d) they float apart
10. 10.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) an empty bottle (c) a mirror (d) a balloon
11. 11.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is what we measure. (a) False (b) True
12. 12.🔮 The fizzing stops after a while. Why? (a) the gas froze (b) the bottle got tired (c) the balloon got cold (d) an ingredient ran out
13. 13.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
14. 14.True or false: vinegar is needed for the fizzy balloon. (a) False (b) True
15. 15.🧺 Which of these is needed for the fizzy balloon? (a) baking soda (b) a battery cell (c) sugar (d) a comb
16. 16.🔍 Which is the odd one out? (a) lemon juice (b) plain water (c) orange juice (d) tamarind water
17. 17.🔍 Which is the odd one out? (a) salt water (b) plain water (c) sugar water (d) baking soda water
18. 18.True or false: salt water is a base. (a) False (b) True
19. 19.True or false: vinegar is an acid. (a) False (b) True
20. 20.True or false: plain water is neutral. (a) False (b) True
21. 21.True or false: a magnet is not needed for the fizzy balloon. (a) False (b) True
22. 22.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) spoons of baking soda (b) size of the balloon (c) the amount of vinegar (d) the kind of balloon
23. 23.🛟 What should you do if vinegar splashes in your eye? (a) rinse with clean water (b) add baking soda (c) ignore it (d) rub it hard
24. 24.⚖️ 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 change it (c) we measure it
25. 25.🫧 Which of these is a base? (a) lemon juice (b) sugar water (c) orange juice (d) detergent water
26. 26.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) there is no change (b) it shrinks (c) it grows bigger (d) it turns blue
27. 27.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a tray for spills (c) a seed (d) sugar
28. 28.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) helium (b) oxygen (c) carbon dioxide (d) hydrogen
29. 29.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) it glows in the dark (c) it turns to ice (d) lots of fizzy bubbles
30. 30.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) False (b) True
31. 31.🫧 Which of these is a base? (a) salt water (b) lemon juice (c) baking soda water (d) vinegar
32. 32.🫧 Which of these is an acid? (a) detergent water (b) sugar water (c) vinegar (d) plain water
33. 33.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is kept the same. (a) False (b) True
34. 34.⚖️ 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 measure it (c) we keep it the same
35. 35.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a balloon (c) a magnet (d) baking soda
36. 36.⚖️ 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
37. 37.🔍 Which is the odd one out? (a) baking soda water (b) vinegar (c) soap solution (d) detergent water
38. 38.True or false: an empty bottle is needed for the fizzy balloon. (a) False (b) True
39. 39.True or false: a tray for spills is not needed for the fizzy balloon. (a) True (b) False
40. 40.🫧 Is sugar water an acid, a base or neutral? (a) a base (b) neutral (c) an acid

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