Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 86 · 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 soap solution an acid, a base or neutral? (a) an acid (b) neutral (c) a base
2. 2.🔮 Predict: you use plain water instead of vinegar. What happens? (a) the balloon bursts (b) a huge eruption (c) it turns to honey (d) very little fizzing
3. 3.⚖️ 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
4. 4.🧺 Do we need a battery cell for the fizzy balloon? (a) needed (b) not needed
5. 5.⚖️ 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) True (b) False
6. 6.True or false: curd is an acid. (a) False (b) True
7. 7.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we measure it (b) we keep it the same (c) we change it
8. 8.🔮 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
9. 9.True or false: an empty bottle is not needed for the fizzy balloon. (a) False (b) True
10. 10.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a tray for spills (c) sugar (d) an empty bottle
11. 11.True or false: plain water is a base. (a) True (b) False
12. 12.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) an empty bottle (c) a comb (d) a funnel or spoon
13. 13.True or false: sugar is needed for the fizzy balloon. (a) False (b) True
14. 14.True or false: a tray for spills is not needed for the fizzy balloon. (a) True (b) False
15. 15.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) an empty bottle (c) a battery cell (d) a tray for spills
16. 16.🧺 Which of these is not needed for the fizzy balloon? (a) sugar (b) a funnel or spoon (c) a tray for spills (d) baking soda
17. 17.📘 Is the fizzing a sign that a new substance is made? (a) it is only dissolving (b) yes, a new gas forms (c) it is only melting (d) no, nothing changes
18. 18.⚖️ 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) the amount of vinegar (c) spoons of baking soda (d) size of the balloon
19. 19.True or false: baking soda water is an acid. (a) False (b) True
20. 20.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) an empty bottle (c) a mirror (d) a tray for spills
21. 21.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) hydrogen (b) helium (c) carbon dioxide (d) oxygen
22. 22.🫧 What do you see when baking soda meets vinegar? (a) it turns to ice (b) nothing at all (c) lots of fizzy bubbles (d) it glows in the dark
23. 23.🫧 Which of these is an acid? (a) sugar water (b) soap solution (c) curd (d) baking soda water
24. 24.🫧 Which of these is neutral? (a) vinegar (b) sugar water (c) tamarind water (d) soap solution
25. 25.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the kind of balloon (b) size of the balloon (c) spoons of baking soda
26. 26.🫧 Is plain water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
27. 27.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) an empty bottle (c) a seed (d) baking soda
28. 28.🔍 Which is the odd one out? (a) detergent water (b) sugar water (c) soap solution (d) baking soda water
29. 29.True or false: a balloon is not needed for the fizzy balloon. (a) True (b) False
30. 30.🫧 Is baking soda water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
31. 31.True or false: a mirror is not needed for the fizzy balloon. (a) True (b) False
32. 32.True or false: a magnet is not needed for the fizzy balloon. (a) False (b) True
33. 33.⚖️ 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
34. 34.🫧 Which of these is an acid? (a) sugar water (b) detergent water (c) vinegar (d) salt water
35. 35.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a magnet (b) an empty bottle (c) vinegar (d) baking soda
36. 36.True or false: a seed is needed for the fizzy balloon. (a) False (b) True
37. 37.⚖️ 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
38. 38.🫧 Is lemon juice an acid, a base or neutral? (a) a base (b) neutral (c) an acid
39. 39.⚖️ 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
40. 40.⚖️ 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

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