Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 407 · 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? Which of these is kept the same? (a) spoons of baking soda (b) the same bottle (c) size of the balloon
2. 2.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) seal it in a glass jar (c) keep it away from eyes (d) put it in your mouth
3. 3.🛟 What should you do if vinegar splashes in your eye? (a) rinse with clean water (b) ignore it (c) add baking soda (d) rub it hard
4. 4.True or false: a balloon is needed for the fizzy balloon. (a) False (b) True
5. 5.🧺 Which of these is not needed for the fizzy balloon? (a) a seed (b) an empty bottle (c) a tray for spills (d) vinegar
6. 6.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) hydrogen (c) helium (d) carbon dioxide
7. 7.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) False (b) True
8. 8.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) the gas froze (c) an ingredient ran out (d) the balloon got cold
9. 9.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) it turns to honey (c) the balloon bursts (d) very little fizzing
10. 10.🫧 Which of these is a base? (a) detergent water (b) vinegar (c) plain water (d) sugar water
11. 11.🫧 Is detergent water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
12. 12.🔍 Which is the odd one out? (a) sugar water (b) tamarind water (c) salt water (d) plain water
13. 13.🔍 Which is the odd one out? (a) curd (b) lemon juice (c) baking soda water (d) orange juice
14. 14.⚖️ 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) False (b) True
15. 15.True or false: vinegar is an acid. (a) True (b) False
16. 16.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a magnet (c) vinegar (d) a mirror
17. 17.🫧 Is orange juice an acid, a base or neutral? (a) neutral (b) a base (c) an acid
18. 18.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) it grows bigger (c) it turns blue (d) there is no change
19. 19.True or false: a magnet is not needed for the fizzy balloon. (a) False (b) True
20. 20.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is kept the same. (a) True (b) False
21. 21.⚖️ 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
22. 22.⚖️ 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
23. 23.⚖️ 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) True (b) False
24. 24.True or false: plain water is a base. (a) False (b) True
25. 25.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the same bottle (b) the kind of balloon (c) size of the balloon (d) spoons of baking soda
26. 26.True or false: a funnel or spoon is needed for the fizzy balloon. (a) True (b) False
27. 27.True or false: baking soda is not needed for the fizzy balloon. (a) True (b) False
28. 28.🫧 Which of these is an acid? (a) detergent water (b) salt water (c) sugar water (d) tamarind water
29. 29.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a magnet (c) a tray for spills (d) a comb
30. 30.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) sugar (b) a tray for spills (c) a balloon (d) an empty bottle
31. 31.🧺 Do we need a seed for the fizzy balloon? (a) needed (b) not needed
32. 32.🫧 Which of these is an acid? (a) vinegar (b) baking soda water (c) soap solution (d) sugar water
33. 33.📘 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
34. 34.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) a battery cell (c) baking soda (d) vinegar
35. 35.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a seed (b) a funnel or spoon (c) an empty bottle (d) baking soda
36. 36.⚖️ 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
37. 37.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
38. 38.🫧 Which of these is neutral? (a) tamarind water (b) vinegar (c) orange juice (d) plain water
39. 39.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) spoons of baking soda (b) the kind of balloon (c) the same bottle (d) size of the balloon
40. 40.⚖️ 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

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