Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 937 · 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.📘 Is the fizzing a sign that a new substance is made? (a) it is only dissolving (b) no, nothing changes (c) yes, a new gas forms (d) it is only melting
2. 2.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a tray for spills (c) an empty bottle (d) a mirror
3. 3.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) sugar (c) a funnel or spoon (d) a seed
4. 4.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a comb (c) baking soda (d) a tray for spills
5. 5.🫧 Which of these is a base? (a) sugar water (b) salt water (c) soap solution (d) orange juice
6. 6.🫧 Which of these is an acid? (a) curd (b) sugar water (c) baking soda water (d) salt water
7. 7.⚖️ 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
8. 8.True or false: vinegar is an acid. (a) True (b) False
9. 9.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) hydrogen (b) helium (c) oxygen (d) carbon dioxide
10. 10.🫧 Is tamarind water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
11. 11.True or false: vinegar is not needed for the fizzy balloon. (a) True (b) False
12. 12.⚖️ 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
13. 13.True or false: baking soda is not needed for the fizzy balloon. (a) True (b) False
14. 14.🫧 Is plain water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
15. 15.🧺 Do we need a battery cell for the fizzy balloon? (a) needed (b) not needed
16. 16.🔍 Which is the odd one out? (a) sugar water (b) soap solution (c) plain water (d) salt water
17. 17.🫧 Which of these is an acid? (a) plain water (b) vinegar (c) baking soda water (d) soap solution
18. 18.True or false: a balloon is needed for the fizzy balloon. (a) True (b) False
19. 19.🧺 Which of these is not needed for the fizzy balloon? (a) sugar (b) a balloon (c) baking soda (d) a funnel or spoon
20. 20.⚖️ 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 amount of vinegar (c) the same bottle (d) the kind of balloon
21. 21.🛟 Which safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) shake it near your face (c) put it in your mouth (d) seal it in a glass jar
22. 22.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) there is no change (b) it turns blue (c) it grows bigger (d) it shrinks
23. 23.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a magnet (b) a tray for spills (c) a balloon (d) a funnel or spoon
24. 24.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a tray for spills (c) an empty bottle (d) a seed
25. 25.True or false: curd is an acid. (a) False (b) True
26. 26.⚖️ 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
27. 27.🔍 Which is the odd one out? (a) lemon juice (b) tamarind water (c) salt water (d) vinegar
28. 28.🔮 Predict: you use plain water instead of vinegar. What happens? (a) the balloon bursts (b) a huge eruption (c) very little fizzing (d) it turns to honey
29. 29.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is what we measure. (a) True (b) False
30. 30.True or false: a funnel or spoon is needed for the fizzy balloon. (a) False (b) True
31. 31.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a mirror (c) a tray for spills (d) a seed
32. 32.🫧 Is orange juice an acid, a base or neutral? (a) neutral (b) a base (c) an acid
33. 33.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is the one thing we change. (a) True (b) False
34. 34.🫧 Which of these is an acid? (a) salt water (b) baking soda water (c) orange juice (d) detergent water
35. 35.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) vinegar (c) a mirror (d) a balloon
36. 36.🔍 Which is the odd one out? (a) vinegar (b) orange juice (c) curd (d) plain water
37. 37.🛟 What should you do if vinegar splashes in your eye? (a) rinse with clean water (b) add baking soda (c) ignore it (d) rub it hard
38. 38.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we keep it the same (b) we change it (c) we measure it
39. 39.🫧 Which of these is neutral? (a) plain water (b) soap solution (c) baking soda water (d) orange juice
40. 40.⚖️ 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

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