Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 439 · 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 kept the same? (a) the same bottle (b) size of the balloon (c) spoons of baking soda
2. 2.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) baking soda (c) a battery cell (d) a balloon
3. 3.⚖️ 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
4. 4.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) an empty bottle (c) a funnel or spoon (d) a seed
5. 5.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) rinse with clean water (c) rub it hard (d) ignore it
6. 6.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) an empty bottle (c) a battery cell (d) a mirror
7. 7.True or false: soap solution is a base. (a) False (b) True
8. 8.🛟 Which safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) shake it near your face (c) seal it in a glass jar (d) put it in your mouth
9. 9.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) size of the balloon (b) the amount of vinegar (c) spoons of baking soda (d) the kind of balloon
10. 10.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we measure it (b) we change it (c) we keep it the same
11. 11.🧺 Which of these is needed for the fizzy balloon? (a) a tray for spills (b) a comb (c) a magnet (d) a battery cell
12. 12.⚖️ 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
13. 13.⚖️ 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
14. 14.🫧 Is orange juice an acid, a base or neutral? (a) an acid (b) neutral (c) a base
15. 15.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) an empty bottle (c) sugar (d) a balloon
16. 16.🫧 What do you see when baking soda meets vinegar? (a) it glows in the dark (b) it turns to ice (c) lots of fizzy bubbles (d) nothing at all
17. 17.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a magnet (c) vinegar (d) a funnel or spoon
18. 18.True or false: a comb is needed for the fizzy balloon. (a) False (b) True
19. 19.🫧 Which of these is a base? (a) salt water (b) baking soda water (c) plain water (d) orange juice
20. 20.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the kind of balloon (b) spoons of baking soda (c) size of the balloon (d) the same bottle
21. 21.True or false: vinegar is needed for the fizzy balloon. (a) False (b) True
22. 22.True or false: a seed is not needed for the fizzy balloon. (a) True (b) False
23. 23.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
24. 24.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we measure it (b) we change it (c) we keep it the same
25. 25.🫧 Which of these is an acid? (a) salt water (b) baking soda water (c) tamarind water (d) sugar water
26. 26.True or false: sugar is not needed for the fizzy balloon. (a) False (b) True
27. 27.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a comb (c) a tray for spills (d) a balloon
28. 28.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we measure it (b) we keep it the same (c) we change it
29. 29.🔍 Which is the odd one out? (a) curd (b) soap solution (c) vinegar (d) lemon juice
30. 30.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the kind of balloon (b) size of the balloon (c) spoons of baking soda
31. 31.🔍 Which is the odd one out? (a) plain water (b) soap solution (c) detergent water (d) baking soda water
32. 32.True or false: soap solution is neutral. (a) True (b) False
33. 33.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
34. 34.🔍 Which is the odd one out? (a) lemon juice (b) salt water (c) sugar water (d) plain water
35. 35.⚖️ 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
36. 36.📘 Is the fizzing a sign that a new substance is made? (a) it is only melting (b) no, nothing changes (c) yes, a new gas forms (d) it is only dissolving
37. 37.🧺 Which of these is not needed for the fizzy balloon? (a) a magnet (b) a funnel or spoon (c) an empty bottle (d) vinegar
38. 38.🫧 Which of these is a base? (a) curd (b) lemon juice (c) detergent water (d) salt water
39. 39.🫧 Is soap solution an acid, a base or neutral? (a) an acid (b) a base (c) neutral
40. 40.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed

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