Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 709 · 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: baking soda water is an acid. (a) True (b) False
2. 2.True or false: soap solution is an acid. (a) False (b) True
3. 3.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) rub it hard (c) rinse with clean water (d) ignore it
4. 4.🔍 Which is the odd one out? (a) vinegar (b) curd (c) lemon juice (d) baking soda water
5. 5.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we change it (b) we measure it (c) we keep it the same
6. 6.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is kept the same. (a) False (b) True
7. 7.🧺 Which of these is needed for the fizzy balloon? (a) a balloon (b) a seed (c) a magnet (d) sugar
8. 8.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is what we measure. (a) False (b) True
9. 9.📘 Is the fizzing a sign that a new substance is made? (a) no, nothing changes (b) yes, a new gas forms (c) it is only dissolving (d) it is only melting
10. 10.⚖️ 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
11. 11.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is the one thing we change. (a) False (b) True
12. 12.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a battery cell (c) a tray for spills (d) vinegar
13. 13.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) vinegar (c) a balloon (d) a magnet
14. 14.🫧 Is lemon juice an acid, a base or neutral? (a) neutral (b) an acid (c) a base
15. 15.🫧 Is vinegar an acid, a base or neutral? (a) a base (b) neutral (c) an acid
16. 16.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) sugar (c) a balloon (d) an empty bottle
17. 17.🧺 Do we need a seed for the fizzy balloon? (a) not needed (b) needed
18. 18.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they become magnets (b) they float apart (c) they freeze (d) they react
19. 19.True or false: an empty bottle is needed for the fizzy balloon. (a) False (b) True
20. 20.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) it turns to ice (c) lots of fizzy bubbles (d) it glows in the dark
21. 21.🫧 Which of these is a base? (a) salt water (b) plain water (c) baking soda water (d) vinegar
22. 22.True or false: sugar is needed for the fizzy balloon. (a) True (b) False
23. 23.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a funnel or spoon (c) a comb (d) sugar
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) the kind of balloon (c) the amount of vinegar (d) size of the balloon
25. 25.True or false: a seed is needed for the fizzy balloon. (a) True (b) False
26. 26.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) put it in your mouth (c) seal it in a glass jar (d) keep it away from eyes
27. 27.True or false: a comb is not needed for the fizzy balloon. (a) True (b) False
28. 28.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) a huge eruption (c) very little fizzing (d) the balloon bursts
29. 29.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
30. 30.⚖️ 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
31. 31.🔮 The fizzing stops after a while. Why? (a) an ingredient ran out (b) the balloon got cold (c) the gas froze (d) the bottle got tired
32. 32.True or false: a tray for spills is needed for the fizzy balloon. (a) False (b) True
33. 33.🫧 Is salt water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
34. 34.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a comb (c) a funnel or spoon (d) a tray for spills
35. 35.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) vinegar (c) a comb (d) a seed
36. 36.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a tray for spills (c) vinegar (d) sugar
37. 37.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we change it (b) we keep it the same (c) we measure it
38. 38.⚖️ 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 kind of balloon (c) spoons of baking soda (d) the amount of vinegar
39. 39.True or false: lemon juice is a base. (a) False (b) True
40. 40.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a magnet (c) an empty bottle (d) a tray for spills

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