Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 651 · 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.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) a balloon (c) a funnel or spoon (d) sugar
2. 2.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they react (b) they become magnets (c) they float apart (d) they freeze
3. 3.True or false: sugar is needed for the fizzy balloon. (a) True (b) False
4. 4.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a battery cell (c) a balloon (d) a comb
5. 5.True or false: vinegar is needed for the fizzy balloon. (a) False (b) True
6. 6.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a magnet (c) a battery cell (d) an empty bottle
7. 7.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it turns blue (b) it grows bigger (c) it shrinks (d) there is no change
8. 8.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a tray for spills (c) sugar (d) a balloon
9. 9.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) baking soda (c) a comb (d) vinegar
10. 10.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) rub it hard (c) ignore it (d) rinse with clean water
11. 11.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a mirror (c) an empty bottle (d) baking soda
12. 12.🫧 Which of these is neutral? (a) orange juice (b) lemon juice (c) sugar water (d) curd
13. 13.🫧 Which of these is a base? (a) plain water (b) soap solution (c) lemon juice (d) curd
14. 14.🫧 Is salt water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
15. 15.📘 Is the fizzing a sign that a new substance is made? (a) it is only melting (b) yes, a new gas forms (c) it is only dissolving (d) no, nothing changes
16. 16.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
17. 17.🫧 Is curd an acid, a base or neutral? (a) an acid (b) a base (c) neutral
18. 18.True or false: curd is an acid. (a) False (b) True
19. 19.🧺 Which of these is not needed for the fizzy balloon? (a) a mirror (b) an empty bottle (c) a balloon (d) vinegar
20. 20.🎈 Why does the balloon blow up? (a) outside air gets in (b) vinegar is hot (c) the bottle shrinks (d) gas is made inside
21. 21.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) a funnel or spoon (c) a battery cell (d) a tray for spills
22. 22.🫧 What do you see when baking soda meets vinegar? (a) lots of fizzy bubbles (b) nothing at all (c) it turns to ice (d) it glows in the dark
23. 23.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a seed (b) a balloon (c) vinegar (d) a tray for spills
24. 24.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) spoons of baking soda (b) the kind of balloon (c) size of the balloon
25. 25.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we change it (b) we keep it the same (c) we measure it
26. 26.True or false: baking soda is needed for the fizzy balloon. (a) False (b) True
27. 27.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a seed (c) baking soda (d) a magnet
28. 28.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a tray for spills (c) vinegar (d) a battery cell
29. 29.🔍 Which is the odd one out? (a) baking soda water (b) salt water (c) detergent water (d) soap solution
30. 30.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
31. 31.True or false: a comb is needed for the fizzy balloon. (a) False (b) True
32. 32.🫧 Which of these is a base? (a) vinegar (b) lemon juice (c) plain water (d) baking soda water
33. 33.🛟 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
34. 34.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a magnet (c) baking soda (d) an empty bottle
35. 35.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the same bottle (b) the amount of vinegar (c) size of the balloon (d) spoons of baking soda
36. 36.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a tray for spills (c) sugar (d) a comb
37. 37.🧺 Which of these is needed for the fizzy balloon? (a) vinegar (b) a battery cell (c) sugar (d) a seed
38. 38.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) baking soda (c) a balloon (d) a seed
39. 39.🔍 Which is the odd one out? (a) plain water (b) salt water (c) sugar water (d) vinegar
40. 40.🫧 Which of these is an acid? (a) baking soda water (b) orange juice (c) detergent water (d) sugar water

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