Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 326 · 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.True or false: a comb is not needed for the fizzy balloon. (a) True (b) False
2. 2.True or false: baking soda is not needed for the fizzy balloon. (a) False (b) True
3. 3.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a mirror (c) a tray for spills (d) a comb
4. 4.True or false: vinegar is a base. (a) True (b) False
5. 5.True or false: plain water is neutral. (a) False (b) True
6. 6.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it grows bigger (b) there is no change (c) it turns blue (d) it shrinks
7. 7.⚖️ 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) size of the balloon (c) the same bottle (d) the amount of vinegar
8. 8.⚖️ 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
9. 9.True or false: sugar is needed for the fizzy balloon. (a) True (b) False
10. 10.True or false: a balloon is not needed for the fizzy balloon. (a) True (b) False
11. 11.🛟 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
12. 12.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the kind of balloon (b) the same bottle (c) spoons of baking soda (d) size of the balloon
13. 13.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they react (b) they freeze (c) they float apart (d) they become magnets
14. 14.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) sugar (c) baking soda (d) a tray for spills
15. 15.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
16. 16.🫧 Which of these is neutral? (a) vinegar (b) tamarind water (c) salt water (d) lemon juice
17. 17.🔍 Which is the odd one out? (a) orange juice (b) salt water (c) vinegar (d) curd
18. 18.🫧 Is tamarind water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
19. 19.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) a huge eruption (c) very little fizzing (d) the balloon bursts
20. 20.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a magnet (b) vinegar (c) a funnel or spoon (d) baking soda
21. 21.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a comb (c) a tray for spills (d) baking soda
22. 22.🫧 Is sugar water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
23. 23.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) baking soda (c) a seed (d) a tray for spills
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 amount of vinegar
25. 25.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) hydrogen (c) helium (d) carbon dioxide
26. 26.⚖️ 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
27. 27.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) seal it in a glass jar (c) keep it away from eyes (d) shake it near your face
28. 28.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
29. 29.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a funnel or spoon (c) a balloon (d) a battery cell
30. 30.🔍 Which is the odd one out? (a) tamarind water (b) orange juice (c) lemon juice (d) baking soda water
31. 31.🫧 Is lemon juice an acid, a base or neutral? (a) neutral (b) an acid (c) a base
32. 32.True or false: a mirror is not needed for the fizzy balloon. (a) False (b) True
33. 33.🫧 Which of these is an acid? (a) soap solution (b) tamarind water (c) salt water (d) plain water
34. 34.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we keep it the same (b) we change it (c) we measure it
35. 35.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a mirror (c) a comb (d) an empty bottle
36. 36.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) an ingredient ran out (c) the gas froze (d) the balloon got cold
37. 37.🧺 Do we need a comb for the fizzy balloon? (a) not needed (b) needed
38. 38.🔍 Which is the odd one out? (a) detergent water (b) plain water (c) sugar water (d) salt water
39. 39.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is what we measure. (a) True (b) False
40. 40.⚖️ 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) True (b) False

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