Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 635 · 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.🛟 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
2. 2.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the same bottle (b) size of the balloon (c) spoons of baking soda
3. 3.🔍 Which is the odd one out? (a) baking soda water (b) sugar water (c) plain water (d) salt water
4. 4.🔍 Which is the odd one out? (a) curd (b) vinegar (c) sugar water (d) lemon juice
5. 5.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) size of the balloon (b) the amount of vinegar (c) the kind of balloon (d) the same bottle
6. 6.🧺 Do we need a tray for spills for the fizzy balloon? (a) needed (b) not needed
7. 7.🫧 Is curd an acid, a base or neutral? (a) neutral (b) an acid (c) a base
8. 8.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) seal it in a glass jar (c) put it in your mouth (d) keep it away from eyes
9. 9.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a funnel or spoon (c) a mirror (d) a tray for spills
10. 10.🔍 Which is the odd one out? (a) tamarind water (b) sugar water (c) plain water (d) salt water
11. 11.🔍 Which is the odd one out? (a) plain water (b) salt water (c) sugar water (d) detergent water
12. 12.True or false: lemon juice is a base. (a) True (b) False
13. 13.📘 Is the fizzing a sign that a new substance is made? (a) it is only melting (b) yes, a new gas forms (c) it is only dissolving (d) no, nothing changes
14. 14.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a comb (b) a balloon (c) baking soda (d) a tray for spills
15. 15.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) baking soda (c) a magnet (d) a funnel or spoon
16. 16.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
17. 17.True or false: sugar water is neutral. (a) True (b) False
18. 18.🧺 Do we need sugar for the fizzy balloon? (a) not needed (b) needed
19. 19.🔮 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
20. 20.⚖️ 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
21. 21.🫧 Which of these is a base? (a) sugar water (b) baking soda water (c) plain water (d) lemon juice
22. 22.True or false: a balloon is not needed for the fizzy balloon. (a) True (b) False
23. 23.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is what we measure. (a) True (b) False
24. 24.🫧 Which of these is a base? (a) tamarind water (b) plain water (c) soap solution (d) sugar water
25. 25.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we keep it the same (b) we measure it (c) we change it
26. 26.🧺 Which of these is needed for the fizzy balloon? (a) vinegar (b) sugar (c) a comb (d) a mirror
27. 27.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is what we measure. (a) True (b) False
28. 28.🫧 Which of these is an acid? (a) detergent water (b) vinegar (c) plain water (d) sugar water
29. 29.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) an empty bottle (c) baking soda (d) a battery cell
30. 30.🫧 What do you see when baking soda meets vinegar? (a) lots of fizzy bubbles (b) it turns to ice (c) nothing at all (d) it glows in the dark
31. 31.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) helium (c) hydrogen (d) carbon dioxide
32. 32.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) an empty bottle (c) a tray for spills (d) a seed
33. 33.True or false: a tray for spills is needed for the fizzy balloon. (a) False (b) True
34. 34.True or false: lemon juice is neutral. (a) True (b) False
35. 35.🧺 Which of these is needed for the fizzy balloon? (a) a balloon (b) a magnet (c) sugar (d) a mirror
36. 36.True or false: tamarind water is neutral. (a) True (b) False
37. 37.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the same bottle (b) size of the balloon (c) spoons of baking soda (d) the kind of balloon
38. 38.⚖️ 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 amount of vinegar
39. 39.🔮 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
40. 40.🫧 Is lemon juice an acid, a base or neutral? (a) an acid (b) neutral (c) a base

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