Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 683 · 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 is the odd one out? (a) sugar water (b) salt water (c) plain water (d) detergent water
2. 2.⚖️ 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 amount of vinegar (c) the same bottle (d) the kind of balloon
3. 3.True or false: sugar water is neutral. (a) False (b) True
4. 4.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) seal it in a glass jar (c) put it in your mouth (d) keep it away from eyes
5. 5.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) an ingredient ran out (c) the gas froze (d) the balloon got cold
6. 6.🧺 Do we need a comb for the fizzy balloon? (a) not needed (b) needed
7. 7.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a tray for spills (c) a funnel or spoon (d) a mirror
8. 8.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a mirror (c) baking soda (d) a battery cell
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.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) False (b) True
11. 11.🫧 Is salt water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
12. 12.🫧 Which of these is an acid? (a) vinegar (b) soap solution (c) sugar water (d) baking soda water
13. 13.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) ignore it (c) rinse with clean water (d) rub it hard
14. 14.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
15. 15.🫧 Is orange juice an acid, a base or neutral? (a) neutral (b) a base (c) an acid
16. 16.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is what we measure. (a) False (b) True
17. 17.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a magnet (b) a balloon (c) baking soda (d) vinegar
18. 18.⚖️ 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 change it (c) we measure it
19. 19.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a seed (c) an empty bottle (d) a tray for spills
20. 20.🫧 Which of these is a base? (a) sugar water (b) lemon juice (c) orange juice (d) baking soda water
21. 21.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) vinegar (c) a funnel or spoon (d) a battery cell
22. 22.True or false: sugar is needed for the fizzy balloon. (a) True (b) False
23. 23.🔍 Which is the odd one out? (a) baking soda water (b) lemon juice (c) detergent water (d) soap solution
24. 24.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) there is no change (b) it shrinks (c) it turns blue (d) it grows bigger
25. 25.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is the one thing we change. (a) True (b) False
26. 26.🫧 What do you see when baking soda meets vinegar? (a) it glows in the dark (b) lots of fizzy bubbles (c) nothing at all (d) it turns to ice
27. 27.True or false: lemon juice is neutral. (a) True (b) False
28. 28.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) size of the balloon (b) the amount of vinegar (c) spoons of baking soda
29. 29.🫧 Is sugar water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
30. 30.True or false: orange juice is neutral. (a) False (b) True
31. 31.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) very little fizzing (c) a huge eruption (d) the balloon bursts
32. 32.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
33. 33.True or false: curd is an acid. (a) False (b) True
34. 34.🔍 Which is the odd one out? (a) soap solution (b) baking soda water (c) sugar water (d) detergent water
35. 35.🔍 Which is the odd one out? (a) sugar water (b) salt water (c) plain water (d) soap solution
36. 36.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) spoons of baking soda (b) the same bottle (c) the kind of balloon (d) the amount of vinegar
37. 37.🫧 Is lemon juice an acid, a base or neutral? (a) neutral (b) an acid (c) a base
38. 38.True or false: an empty bottle is needed for the fizzy balloon. (a) True (b) False
39. 39.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) needed (b) not needed
40. 40.True or false: lemon juice is an acid. (a) False (b) True

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