Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 954 · 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: an empty bottle is needed for the fizzy balloon. (a) True (b) False
2. 2.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a magnet (c) a comb (d) vinegar
3. 3.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the amount of vinegar (b) size of the balloon (c) spoons of baking soda
4. 4.🫧 Which of these is an acid? (a) detergent water (b) vinegar (c) salt water (d) sugar water
5. 5.True or false: a seed is not needed for the fizzy balloon. (a) True (b) False
6. 6.🫧 Which of these is an acid? (a) soap solution (b) lemon juice (c) sugar water (d) salt water
7. 7.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) ignore it (c) rinse with clean water (d) add baking soda
8. 8.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the same bottle (b) size of the balloon (c) the kind of balloon (d) the amount of vinegar
9. 9.🫧 Is plain water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
10. 10.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
11. 11.🫧 Which of these is an acid? (a) soap solution (b) curd (c) detergent water (d) salt water
12. 12.🫧 Which of these is neutral? (a) curd (b) tamarind water (c) plain water (d) soap solution
13. 13.📘 Is the fizzing a sign that a new substance is made? (a) it is only dissolving (b) no, nothing changes (c) it is only melting (d) yes, a new gas forms
14. 14.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) the balloon bursts (c) very little fizzing (d) it turns to honey
15. 15.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
16. 16.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) a tray for spills (c) a seed (d) baking soda
17. 17.⚖️ 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 same bottle (c) the amount of vinegar (d) size of the balloon
18. 18.True or false: orange juice is an acid. (a) True (b) False
19. 19.🫧 Which of these is a base? (a) sugar water (b) soap solution (c) lemon juice (d) tamarind water
20. 20.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is kept the same. (a) False (b) True
21. 21.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a funnel or spoon (c) vinegar (d) a magnet
22. 22.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) it glows in the dark (c) lots of fizzy bubbles (d) it turns to ice
23. 23.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) keep it away from eyes (c) shake it near your face (d) seal it in a glass jar
24. 24.🎈 Why does the balloon blow up? (a) the bottle shrinks (b) outside air gets in (c) gas is made inside (d) vinegar is hot
25. 25.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is what we measure. (a) True (b) False
26. 26.🧺 Do we need vinegar for the fizzy balloon? (a) needed (b) not needed
27. 27.📘 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
28. 28.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is what we measure. (a) False (b) True
29. 29.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a tray for spills (c) an empty bottle (d) a comb
30. 30.True or false: tamarind water is neutral. (a) False (b) True
31. 31.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a seed (c) a tray for spills (d) a comb
32. 32.🔍 Which is the odd one out? (a) tamarind water (b) salt water (c) sugar water (d) plain water
33. 33.True or false: sugar is needed for the fizzy balloon. (a) True (b) False
34. 34.🫧 Which of these is a base? (a) plain water (b) salt water (c) baking soda water (d) curd
35. 35.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it turns blue (b) there is no change (c) it shrinks (d) it grows bigger
36. 36.⚖️ 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
37. 37.🫧 Which of these is an acid? (a) baking soda water (b) soap solution (c) orange juice (d) detergent water
38. 38.True or false: curd is an acid. (a) False (b) True
39. 39.🔍 Which is the odd one out? (a) plain water (b) baking soda water (c) detergent water (d) soap solution
40. 40.🧺 Which of these is needed for the fizzy balloon? (a) baking soda (b) a seed (c) a comb (d) a magnet

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