Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 887 · 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 sugar water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
2. 2.⚖️ 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
3. 3.⚖️ 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
4. 4.True or false: a magnet is needed for the fizzy balloon. (a) False (b) True
5. 5.🔍 Which is the odd one out? (a) tamarind water (b) plain water (c) sugar water (d) salt water
6. 6.🔍 Which is the odd one out? (a) vinegar (b) lemon juice (c) orange juice (d) soap solution
7. 7.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) an empty bottle (c) sugar (d) a mirror
8. 8.🫧 Is salt water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
9. 9.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) seal it in a glass jar (c) put it in your mouth (d) keep it away from eyes
10. 10.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a tray for spills (c) vinegar (d) sugar
11. 11.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) a funnel or spoon (c) a tray for spills (d) a magnet
12. 12.🔍 Which is the odd one out? (a) curd (b) lemon juice (c) tamarind water (d) salt water
13. 13.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) baking soda (c) a mirror (d) a battery cell
14. 14.🛟 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
15. 15.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) vinegar (c) a balloon (d) a battery cell
16. 16.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
17. 17.⚖️ 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
18. 18.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) the balloon bursts (c) very little fizzing (d) a huge eruption
19. 19.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
20. 20.🧺 Do we need a balloon for the fizzy balloon? (a) needed (b) not needed
21. 21.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) an ingredient ran out (c) the balloon got cold (d) the gas froze
22. 22.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the amount of vinegar (b) the kind of balloon (c) size of the balloon (d) the same bottle
23. 23.🫧 Which of these is an acid? (a) salt water (b) sugar water (c) soap solution (d) tamarind water
24. 24.📘 Is the fizzing a sign that a new substance is made? (a) it is only dissolving (b) it is only melting (c) yes, a new gas forms (d) no, nothing changes
25. 25.🎈 Why does the balloon blow up? (a) outside air gets in (b) vinegar is hot (c) gas is made inside (d) the bottle shrinks
26. 26.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a magnet (c) a tray for spills (d) a balloon
27. 27.True or false: a balloon is not needed for the fizzy balloon. (a) True (b) False
28. 28.True or false: an empty bottle is needed for the fizzy balloon. (a) True (b) False
29. 29.🫧 What do you see when baking soda meets vinegar? (a) it glows in the dark (b) lots of fizzy bubbles (c) it turns to ice (d) nothing at all
30. 30.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they freeze (b) they become magnets (c) they float apart (d) they react
31. 31.🫧 Which of these is an acid? (a) soap solution (b) orange juice (c) plain water (d) sugar water
32. 32.True or false: baking soda water is a base. (a) True (b) False
33. 33.🔍 Which is the odd one out? (a) vinegar (b) orange juice (c) curd (d) plain water
34. 34.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) False (b) True
35. 35.🔍 Which is the odd one out? (a) salt water (b) sugar water (c) plain water (d) baking soda water
36. 36.True or false: sugar is needed for the fizzy balloon. (a) False (b) True
37. 37.⚖️ 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
38. 38.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a mirror (c) a tray for spills (d) a magnet
39. 39.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) a balloon (c) baking soda (d) a comb
40. 40.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) hydrogen (b) carbon dioxide (c) oxygen (d) helium

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