Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 104 · 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.⚖️ 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) spoons of baking soda (c) the kind of balloon (d) the amount of vinegar
2. 2.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a seed (c) a battery cell (d) a funnel or spoon
3. 3.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they freeze (b) they float apart (c) they become magnets (d) they react
4. 4.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) sugar (b) vinegar (c) a balloon (d) a funnel or spoon
5. 5.True or false: soap solution is neutral. (a) False (b) True
6. 6.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
7. 7.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is kept the same. (a) False (b) True
8. 8.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a balloon (c) a funnel or spoon (d) a comb
9. 9.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
10. 10.⚖️ 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 keep it the same (c) we change it
11. 11.🔍 Which is the odd one out? (a) soap solution (b) vinegar (c) orange juice (d) tamarind water
12. 12.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
13. 13.⚖️ 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
14. 14.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) shake it near your face (c) keep it away from eyes (d) seal it in a glass jar
15. 15.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) size of the balloon (b) the same bottle (c) the kind of balloon (d) the amount of vinegar
16. 16.🫧 Is tamarind water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
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) False (b) True
18. 18.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a tray for spills (c) a seed (d) a funnel or spoon
19. 19.True or false: a comb is not needed for the fizzy balloon. (a) False (b) True
20. 20.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a balloon (c) an empty bottle (d) a magnet
21. 21.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a mirror (b) a tray for spills (c) vinegar (d) a balloon
22. 22.🫧 Which of these is neutral? (a) tamarind water (b) soap solution (c) sugar water (d) vinegar
23. 23.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) it glows in the dark (c) it turns to ice (d) lots of fizzy bubbles
24. 24.🔍 Which is the odd one out? (a) soap solution (b) salt water (c) baking soda water (d) detergent water
25. 25.🔍 Which is the odd one out? (a) plain water (b) orange juice (c) sugar water (d) salt water
26. 26.True or false: a seed is not needed for the fizzy balloon. (a) False (b) True
27. 27.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is kept the same. (a) True (b) False
28. 28.⚖️ 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
29. 29.🫧 Is sugar water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
30. 30.🔍 Which is the odd one out? (a) detergent water (b) baking soda water (c) soap solution (d) lemon juice
31. 31.🫧 Which of these is a base? (a) vinegar (b) tamarind water (c) salt water (d) detergent water
32. 32.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) a seed (c) an empty bottle (d) a balloon
33. 33.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) baking soda (c) vinegar (d) a mirror
34. 34.⚖️ 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) False (b) True
35. 35.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we keep it the same (b) we change it (c) we measure it
36. 36.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we measure it (b) we change it (c) we keep it the same
37. 37.🔍 Which is the odd one out? (a) sugar water (b) plain water (c) salt water (d) vinegar
38. 38.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a seed (c) a tray for spills (d) a mirror
39. 39.True or false: baking soda is needed for the fizzy balloon. (a) True (b) False
40. 40.📘 Is the fizzing a sign that a new substance is made? (a) it is only melting (b) it is only dissolving (c) yes, a new gas forms (d) no, nothing changes

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