Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 176 · 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 needed for the fizzy balloon? (a) a magnet (b) a mirror (c) a battery cell (d) vinegar
2. 2.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) put it in your mouth (c) keep it away from eyes (d) seal it in a glass jar
3. 3.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
4. 4.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
5. 5.🔍 Which is the odd one out? (a) salt water (b) plain water (c) vinegar (d) sugar water
6. 6.🫧 Is lemon juice an acid, a base or neutral? (a) an acid (b) a base (c) neutral
7. 7.🧺 Do we need a battery cell for the fizzy balloon? (a) needed (b) not needed
8. 8.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) very little fizzing (c) a huge eruption (d) the balloon bursts
9. 9.🫧 Is salt water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
10. 10.🔍 Which is the odd one out? (a) detergent water (b) soap solution (c) sugar water (d) baking soda water
11. 11.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) rub it hard (c) ignore it (d) rinse with clean water
12. 12.🫧 Is sugar water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
13. 13.🔍 Which is the odd one out? (a) baking soda water (b) soap solution (c) detergent water (d) lemon juice
14. 14.🫧 Is soap solution an acid, a base or neutral? (a) a base (b) an acid (c) neutral
15. 15.True or false: curd is an acid. (a) True (b) False
16. 16.⚖️ 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
17. 17.🫧 Which of these is an acid? (a) baking soda water (b) soap solution (c) plain water (d) orange juice
18. 18.⚖️ 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
19. 19.🫧 Which of these is a base? (a) vinegar (b) soap solution (c) plain water (d) sugar water
20. 20.True or false: baking soda is not needed for the fizzy balloon. (a) True (b) False
21. 21.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) sugar (c) a balloon (d) a magnet
22. 22.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) it grows bigger (c) there is no change (d) it turns blue
23. 23.True or false: sugar water is an acid. (a) True (b) False
24. 24.🎈 Why does the balloon blow up? (a) outside air gets in (b) gas is made inside (c) the bottle shrinks (d) vinegar is hot
25. 25.🫧 Is orange juice an acid, a base or neutral? (a) a base (b) neutral (c) an acid
26. 26.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
27. 27.🔍 Which is the odd one out? (a) tamarind water (b) lemon juice (c) plain water (d) vinegar
28. 28.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
29. 29.True or false: a tray for spills is needed for the fizzy balloon. (a) True (b) False
30. 30.⚖️ 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
31. 31.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) size of the balloon (b) spoons of baking soda (c) the amount of vinegar (d) the kind of balloon
32. 32.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we measure it (b) we change it (c) we keep it the same
33. 33.🫧 What do you see when baking soda meets vinegar? (a) lots of fizzy bubbles (b) it turns to ice (c) it glows in the dark (d) nothing at all
34. 34.True or false: baking soda water is a base. (a) False (b) True
35. 35.True or false: a comb is needed for the fizzy balloon. (a) False (b) True
36. 36.⚖️ 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 kind of balloon
37. 37.🧺 Do we need a magnet for the fizzy balloon? (a) needed (b) not needed
38. 38.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they freeze (b) they float apart (c) they become magnets (d) they react
39. 39.🔍 Which is the odd one out? (a) soap solution (b) detergent water (c) baking soda water (d) curd
40. 40.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) True (b) False

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