Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 443 · 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.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a magnet (c) vinegar (d) a balloon
2. 2.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) add baking soda (c) rinse with clean water (d) rub it hard
3. 3.🫧 Which of these is neutral? (a) tamarind water (b) soap solution (c) detergent water (d) sugar water
4. 4.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a tray for spills (c) a comb (d) a magnet
5. 5.True or false: a comb is needed for the fizzy balloon. (a) True (b) False
6. 6.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the same bottle (b) size of the balloon (c) the kind of balloon (d) spoons of baking soda
7. 7.True or false: detergent water is a base. (a) False (b) True
8. 8.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) an empty bottle (c) sugar (d) a balloon
9. 9.⚖️ 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) spoons of baking soda (d) size of the balloon
10. 10.🧺 Do we need a tray for spills for the fizzy balloon? (a) needed (b) not needed
11. 11.🫧 Is curd an acid, a base or neutral? (a) a base (b) neutral (c) an acid
12. 12.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) sugar (c) vinegar (d) a mirror
13. 13.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) sugar (b) a funnel or spoon (c) baking soda (d) vinegar
14. 14.🫧 Is detergent water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
15. 15.🔍 Which is the odd one out? (a) vinegar (b) lemon juice (c) plain water (d) orange juice
16. 16.🔍 Which is the odd one out? (a) detergent water (b) sugar water (c) baking soda water (d) soap solution
17. 17.🫧 Which of these is a base? (a) sugar water (b) vinegar (c) lemon juice (d) soap solution
18. 18.⚖️ 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
19. 19.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) put it in your mouth (c) shake it near your face (d) keep it away from eyes
20. 20.True or false: plain water is neutral. (a) True (b) False
21. 21.🫧 What do you see when baking soda meets vinegar? (a) it glows in the dark (b) lots of fizzy bubbles (c) nothing at all (d) it turns to ice
22. 22.🫧 Which of these is an acid? (a) salt water (b) detergent water (c) baking soda water (d) curd
23. 23.True or false: an empty bottle is not needed for the fizzy balloon. (a) False (b) True
24. 24.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we keep it the same (b) we change it (c) we measure it
25. 25.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
26. 26.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a seed (b) a tray for spills (c) baking soda (d) a funnel or spoon
27. 27.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a mirror (c) an empty bottle (d) baking soda
28. 28.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) baking soda (c) vinegar (d) a battery cell
29. 29.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they float apart (b) they become magnets (c) they freeze (d) they react
30. 30.True or false: vinegar is a base. (a) True (b) False
31. 31.🫧 Is plain water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
32. 32.⚖️ 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
33. 33.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a magnet (c) a battery cell (d) a funnel or spoon
34. 34.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) an empty bottle (c) a magnet (d) baking soda
35. 35.True or false: a balloon is needed for the fizzy balloon. (a) False (b) True
36. 36.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) helium (b) carbon dioxide (c) hydrogen (d) oxygen
37. 37.📘 Is the fizzing a sign that a new substance is made? (a) it is only dissolving (b) yes, a new gas forms (c) no, nothing changes (d) it is only melting
38. 38.True or false: a tray for spills is needed for the fizzy balloon. (a) False (b) True
39. 39.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
40. 40.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) it turns to honey (c) very little fizzing (d) the balloon bursts

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