Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 804 · 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.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) a funnel or spoon (c) vinegar (d) a magnet
2. 2.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
3. 3.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a funnel or spoon (c) a battery cell (d) a mirror
4. 4.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) shake it near your face (c) keep it away from eyes (d) put it in your mouth
5. 5.🔍 Which is the odd one out? (a) salt water (b) tamarind water (c) vinegar (d) orange juice
6. 6.🫧 What do you see when baking soda meets vinegar? (a) lots of fizzy bubbles (b) nothing at all (c) it glows in the dark (d) it turns to ice
7. 7.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
8. 8.True or false: baking soda is not needed for the fizzy balloon. (a) False (b) True
9. 9.True or false: a battery cell is not needed for the fizzy balloon. (a) False (b) True
10. 10.True or false: salt water is neutral. (a) False (b) True
11. 11.🫧 Is sugar water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
12. 12.True or false: baking soda water is neutral. (a) False (b) True
13. 13.True or false: tamarind water is neutral. (a) True (b) False
14. 14.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) very little fizzing (c) it turns to honey (d) the balloon bursts
15. 15.🫧 Which of these is a base? (a) orange juice (b) curd (c) plain water (d) soap solution
16. 16.🫧 Which of these is a base? (a) plain water (b) salt water (c) baking soda water (d) curd
17. 17.🫧 Is salt water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
18. 18.True or false: a seed is needed for the fizzy balloon. (a) False (b) True
19. 19.🧺 Do we need a seed for the fizzy balloon? (a) not needed (b) needed
20. 20.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) size of the balloon (b) the amount of vinegar (c) spoons of baking soda
21. 21.⚖️ 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
22. 22.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) baking soda (c) vinegar (d) a battery cell
23. 23.True or false: a tray for spills is needed for the fizzy balloon. (a) True (b) False
24. 24.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) spoons of baking soda (b) size of the balloon (c) the kind of balloon
25. 25.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
26. 26.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) ignore it (c) rinse with clean water (d) rub it hard
27. 27.⚖️ 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
28. 28.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the amount of vinegar (b) size of the balloon (c) spoons of baking soda (d) the same bottle
29. 29.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we measure it (b) we change it (c) we keep it the same
30. 30.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a magnet (c) a balloon (d) sugar
31. 31.🫧 Which of these is neutral? (a) detergent water (b) baking soda water (c) vinegar (d) salt water
32. 32.🫧 Is detergent water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
33. 33.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it grows bigger (b) it turns blue (c) there is no change (d) it shrinks
34. 34.True or false: sugar is needed for the fizzy balloon. (a) False (b) True
35. 35.True or false: a seed is not needed for the fizzy balloon. (a) True (b) False
36. 36.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is the one thing we change. (a) True (b) False
37. 37.True or false: tamarind water is an acid. (a) True (b) False
38. 38.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the same bottle (b) spoons of baking soda (c) size of the balloon
39. 39.🔍 Which is the odd one out? (a) detergent water (b) baking soda water (c) soap solution (d) sugar water
40. 40.📘 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

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