Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 182 · 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 needed for the fizzy balloon? (a) a mirror (b) a seed (c) a comb (d) a tray for spills
2. 2.True or false: vinegar is needed for the fizzy balloon. (a) False (b) True
3. 3.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) vinegar (c) a magnet (d) a funnel or spoon
4. 4.🎈 Why does the balloon blow up? (a) gas is made inside (b) vinegar is hot (c) the bottle shrinks (d) outside air gets in
5. 5.⚖️ 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) the amount of vinegar (c) the same bottle (d) spoons of baking soda
6. 6.True or false: a balloon is needed for the fizzy balloon. (a) True (b) False
7. 7.True or false: curd is an acid. (a) True (b) False
8. 8.🔍 Which is the odd one out? (a) lemon juice (b) plain water (c) salt water (d) sugar water
9. 9.🧺 Do we need a tray for spills for the fizzy balloon? (a) needed (b) not needed
10. 10.🫧 Which of these is an acid? (a) plain water (b) detergent water (c) salt water (d) lemon juice
11. 11.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) sugar (c) a funnel or spoon (d) a magnet
12. 12.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a mirror (c) a seed (d) a balloon
13. 13.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they react (b) they float apart (c) they become magnets (d) they freeze
14. 14.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a funnel or spoon (c) a battery cell (d) vinegar
15. 15.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
16. 16.🛟 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
17. 17.📘 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
18. 18.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a seed (c) baking soda (d) a magnet
19. 19.⚖️ 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
20. 20.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a tray for spills (c) a balloon (d) a battery cell
21. 21.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) rub it hard (c) add baking soda (d) rinse with clean water
22. 22.⚖️ 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 measure it (c) we change it
23. 23.⚖️ 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
24. 24.⚖️ 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 measure it (c) we change it
25. 25.🔍 Which is the odd one out? (a) soap solution (b) baking soda water (c) detergent water (d) sugar water
26. 26.True or false: plain water is neutral. (a) True (b) False
27. 27.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a comb (c) baking soda (d) a funnel or spoon
28. 28.True or false: orange juice is a base. (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) sugar (d) vinegar
30. 30.🫧 Which of these is an acid? (a) salt water (b) plain water (c) vinegar (d) soap solution
31. 31.⚖️ 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
32. 32.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it grows bigger (b) there is no change (c) it turns blue (d) it shrinks
33. 33.🧺 Which of these is needed for the fizzy balloon? (a) vinegar (b) sugar (c) a magnet (d) a battery cell
34. 34.🫧 Which of these is a base? (a) salt water (b) tamarind water (c) sugar water (d) baking soda water
35. 35.True or false: vinegar is not needed for the fizzy balloon. (a) False (b) True
36. 36.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) True (b) False
37. 37.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
38. 38.🫧 Which of these is neutral? (a) baking soda water (b) salt water (c) tamarind water (d) orange juice
39. 39.🔍 Which is the odd one out? (a) orange juice (b) salt water (c) vinegar (d) lemon juice
40. 40.⚖️ 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

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