Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 59 · 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: the amount of vinegar is kept the same. (a) False (b) True
2. 2.🔮 The fizzing stops after a while. Why? (a) the gas froze (b) an ingredient ran out (c) the bottle got tired (d) the balloon got cold
3. 3.🛟 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
4. 4.⚖️ 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 same bottle (c) the amount of vinegar (d) spoons of baking soda
5. 5.🫧 Is tamarind water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
6. 6.True or false: detergent water is an acid. (a) True (b) False
7. 7.⚖️ 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 same bottle (c) the kind of balloon (d) size of the balloon
8. 8.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) True (b) False
9. 9.🛟 Which safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) put it in your mouth (c) shake it near your face (d) seal it in a glass jar
10. 10.🔮 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
11. 11.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a magnet (b) vinegar (c) a balloon (d) baking soda
12. 12.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it turns blue (b) it shrinks (c) it grows bigger (d) there is no change
13. 13.🧺 Do we need sugar for the fizzy balloon? (a) not needed (b) needed
14. 14.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) an empty bottle (c) a tray for spills (d) a battery cell
15. 15.🧺 Do we need a magnet for the fizzy balloon? (a) needed (b) not needed
16. 16.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
17. 17.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a magnet (c) a balloon (d) a funnel or spoon
18. 18.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) an empty bottle (c) a tray for spills (d) a comb
19. 19.True or false: lemon juice is an acid. (a) False (b) True
20. 20.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a tray for spills (c) vinegar (d) a mirror
21. 21.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a seed (b) vinegar (c) a balloon (d) baking soda
22. 22.🫧 Which of these is a base? (a) lemon juice (b) orange juice (c) detergent water (d) vinegar
23. 23.⚖️ 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
24. 24.⚖️ 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
25. 25.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is kept the same. (a) True (b) False
26. 26.True or false: a balloon is not needed for the fizzy balloon. (a) True (b) False
27. 27.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a mirror (c) a battery cell (d) a funnel or spoon
28. 28.🔍 Which is the odd one out? (a) sugar water (b) plain water (c) salt water (d) lemon juice
29. 29.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is kept the same. (a) False (b) True
30. 30.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is what we measure. (a) False (b) True
31. 31.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we measure it (b) we keep it the same (c) we change it
32. 32.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
33. 33.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a magnet (c) baking soda (d) a seed
34. 34.🫧 Is soap solution an acid, a base or neutral? (a) a base (b) an acid (c) neutral
35. 35.True or false: baking soda is needed for the fizzy balloon. (a) True (b) False
36. 36.🫧 Is vinegar an acid, a base or neutral? (a) an acid (b) neutral (c) a base
37. 37.🫧 Which of these is neutral? (a) detergent water (b) soap solution (c) baking soda water (d) plain water
38. 38.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a comb (c) a balloon (d) a funnel or spoon
39. 39.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they become magnets (b) they react (c) they float apart (d) they freeze
40. 40.🫧 Which of these is an acid? (a) sugar water (b) plain water (c) tamarind water (d) baking soda water

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