Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 270 · 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? True or false: spoons of baking soda is the one thing we change. (a) False (b) True
2. 2.⚖️ 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 amount of vinegar (c) the same bottle (d) size of the balloon
3. 3.🫧 What do you see when baking soda meets vinegar? (a) it turns to ice (b) it glows in the dark (c) lots of fizzy bubbles (d) nothing at all
4. 4.True or false: salt water is neutral. (a) False (b) True
5. 5.🫧 Is detergent water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
6. 6.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) spoons of baking soda (b) the amount of vinegar (c) size of the balloon (d) the kind of balloon
7. 7.⚖️ 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
8. 8.🫧 Is lemon juice an acid, a base or neutral? (a) a base (b) an acid (c) neutral
9. 9.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) vinegar (c) an empty bottle (d) a mirror
10. 10.True or false: detergent water is an acid. (a) True (b) False
11. 11.⚖️ 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
12. 12.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is kept the same. (a) True (b) False
13. 13.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) spoons of baking soda (b) the amount of vinegar (c) size of the balloon
14. 14.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a seed (c) a balloon (d) vinegar
15. 15.True or false: plain water is neutral. (a) False (b) True
16. 16.True or false: plain water is a base. (a) False (b) True
17. 17.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) baking soda (c) sugar (d) an empty bottle
18. 18.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a comb (c) a mirror (d) vinegar
19. 19.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they float apart (b) they freeze (c) they react (d) they become magnets
20. 20.True or false: a balloon is needed for the fizzy balloon. (a) False (b) True
21. 21.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
22. 22.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a seed (c) a balloon (d) vinegar
23. 23.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) sugar (c) baking soda (d) a seed
24. 24.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) rinse with clean water (c) rub it hard (d) ignore it
25. 25.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
26. 26.True or false: soap solution is a base. (a) True (b) False
27. 27.🫧 Is curd an acid, a base or neutral? (a) a base (b) neutral (c) an acid
28. 28.🔍 Which is the odd one out? (a) curd (b) orange juice (c) lemon juice (d) plain water
29. 29.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) very little fizzing (c) the balloon bursts (d) a huge eruption
30. 30.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
31. 31.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is the one thing we change. (a) False (b) True
32. 32.🫧 Is baking soda water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
33. 33.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a battery cell (c) a funnel or spoon (d) baking soda
34. 34.📘 Is the fizzing a sign that a new substance is made? (a) yes, a new gas forms (b) it is only dissolving (c) it is only melting (d) no, nothing changes
35. 35.🧺 Which of these is not needed for the fizzy balloon? (a) sugar (b) vinegar (c) a balloon (d) an empty bottle
36. 36.🔮 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 shrinks (d) it turns blue
37. 37.🫧 Which of these is a base? (a) vinegar (b) detergent water (c) lemon juice (d) curd
38. 38.🫧 Which of these is neutral? (a) sugar water (b) baking soda water (c) lemon juice (d) vinegar
39. 39.⚖️ 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
40. 40.True or false: sugar is needed for the fizzy balloon. (a) True (b) False

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