Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 922 · 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? True or false: spoons of baking soda is kept the same. (a) True (b) False
2. 2.True or false: lemon juice is an acid. (a) True (b) False
3. 3.🫧 Is soap solution an acid, a base or neutral? (a) neutral (b) a base (c) an acid
4. 4.🛟 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
5. 5.🫧 Which of these is neutral? (a) plain water (b) detergent water (c) lemon juice (d) tamarind water
6. 6.🫧 Is detergent water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
7. 7.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) baking soda (c) a funnel or spoon (d) a comb
8. 8.⚖️ 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 same bottle
9. 9.⚖️ 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
10. 10.🔍 Which is the odd one out? (a) salt water (b) sugar water (c) tamarind water (d) plain water
11. 11.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a battery cell (b) an empty bottle (c) baking soda (d) a tray for spills
12. 12.🫧 Is tamarind water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
13. 13.🧺 Which of these is needed for the fizzy balloon? (a) a tray for spills (b) sugar (c) a mirror (d) a comb
14. 14.🧺 Do we need a tray for spills for the fizzy balloon? (a) needed (b) not needed
15. 15.🫧 Which of these is an acid? (a) detergent water (b) sugar water (c) plain water (d) orange juice
16. 16.🫧 Is baking soda water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
17. 17.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they float apart (b) they react (c) they become magnets (d) they freeze
18. 18.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the amount of vinegar (b) spoons of baking soda (c) the same bottle (d) size of the balloon
19. 19.True or false: an empty bottle is not needed for the fizzy balloon. (a) True (b) False
20. 20.⚖️ 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 kind of balloon
21. 21.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a funnel or spoon (c) baking soda (d) a mirror
22. 22.🔍 Which is the odd one out? (a) plain water (b) baking soda water (c) soap solution (d) detergent water
23. 23.🫧 Is plain water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
24. 24.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) sugar (c) baking soda (d) a funnel or spoon
25. 25.📘 Is the fizzing a sign that a new substance is made? (a) it is only melting (b) yes, a new gas forms (c) no, nothing changes (d) it is only dissolving
26. 26.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is the one thing we change. (a) True (b) False
27. 27.🫧 Which of these is an acid? (a) soap solution (b) detergent water (c) lemon juice (d) plain water
28. 28.🫧 Is vinegar an acid, a base or neutral? (a) a base (b) neutral (c) an acid
29. 29.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we change it (b) we measure it (c) we keep it the same
30. 30.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a seed (c) an empty bottle (d) a tray for spills
31. 31.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) ignore it (c) rub it hard (d) rinse with clean water
32. 32.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) a tray for spills (c) a magnet (d) a funnel or spoon
33. 33.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) lots of fizzy bubbles (c) it glows in the dark (d) it turns to ice
34. 34.🔍 Which is the odd one out? (a) salt water (b) detergent water (c) baking soda water (d) soap solution
35. 35.⚖️ 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) size of the balloon (d) spoons of baking soda
36. 36.🔍 Which is the odd one out? (a) salt water (b) sugar water (c) plain water (d) baking soda water
37. 37.⚖️ 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 change it (c) we keep it the same
38. 38.🫧 Which of these is neutral? (a) baking soda water (b) lemon juice (c) detergent water (d) salt water
39. 39.True or false: orange juice is an acid. (a) True (b) False
40. 40.True or false: baking soda is not needed for the fizzy balloon. (a) True (b) False

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