Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 292 · 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.🫧 What do you see when baking soda meets vinegar? (a) it turns to ice (b) nothing at all (c) it glows in the dark (d) lots of fizzy bubbles
2. 2.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it turns blue (b) it shrinks (c) there is no change (d) it grows bigger
3. 3.⚖️ 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
4. 4.🛟 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
5. 5.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is the one thing we change. (a) False (b) True
6. 6.⚖️ 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
7. 7.🎈 Why does the balloon blow up? (a) vinegar is hot (b) outside air gets in (c) the bottle shrinks (d) gas is made inside
8. 8.🔍 Which is the odd one out? (a) lemon juice (b) orange juice (c) plain water (d) curd
9. 9.📘 Is the fizzing a sign that a new substance is made? (a) yes, a new gas forms (b) no, nothing changes (c) it is only dissolving (d) it is only melting
10. 10.🫧 Which of these is a base? (a) detergent water (b) salt water (c) sugar water (d) lemon juice
11. 11.⚖️ 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
12. 12.🔍 Which is the odd one out? (a) detergent water (b) soap solution (c) orange juice (d) baking soda water
13. 13.🔍 Which is the odd one out? (a) baking soda water (b) orange juice (c) lemon juice (d) tamarind water
14. 14.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a magnet (c) vinegar (d) a seed
15. 15.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) baking soda (c) a seed (d) a funnel or spoon
16. 16.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) vinegar (c) a battery cell (d) an empty bottle
17. 17.⚖️ 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
18. 18.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the kind of balloon (b) spoons of baking soda (c) size of the balloon (d) the same bottle
19. 19.True or false: sugar water is neutral. (a) False (b) True
20. 20.🫧 Which of these is neutral? (a) baking soda water (b) sugar water (c) detergent water (d) vinegar
21. 21.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we measure it (b) we change it (c) we keep it the same
22. 22.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) an empty bottle (c) a magnet (d) a seed
23. 23.True or false: plain water is an acid. (a) True (b) False
24. 24.True or false: detergent water is a base. (a) False (b) True
25. 25.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they float apart (b) they freeze (c) they react (d) they become magnets
26. 26.🫧 Is baking soda water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
27. 27.🫧 Is salt water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
28. 28.🫧 Which of these is an acid? (a) salt water (b) plain water (c) soap solution (d) tamarind water
29. 29.True or false: a comb is needed for the fizzy balloon. (a) False (b) True
30. 30.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is the one thing we change. (a) False (b) True
31. 31.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) size of the balloon (b) spoons of baking soda (c) the amount of vinegar
32. 32.True or false: a magnet is not needed for the fizzy balloon. (a) True (b) False
33. 33.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) put it in your mouth (c) keep it away from eyes (d) seal it in a glass jar
34. 34.🔍 Which is the odd one out? (a) salt water (b) baking soda water (c) detergent water (d) soap solution
35. 35.🔍 Which is the odd one out? (a) soap solution (b) baking soda water (c) tamarind water (d) detergent water
36. 36.True or false: baking soda is needed for the fizzy balloon. (a) True (b) False
37. 37.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) an empty bottle (c) a seed (d) a balloon
38. 38.True or false: sugar is not needed for the fizzy balloon. (a) False (b) True
39. 39.⚖️ 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
40. 40.🫧 Which of these is a base? (a) tamarind water (b) salt water (c) baking soda water (d) orange juice

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