Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 994 · 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.🔮 The fizzing stops after a while. Why? (a) the balloon got cold (b) an ingredient ran out (c) the bottle got tired (d) the gas froze
2. 2.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) shake it near your face (c) keep it away from eyes (d) put it in your mouth
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 keep it the same (c) we change it
4. 4.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is what we measure. (a) True (b) False
5. 5.🛟 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
6. 6.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we keep it the same (b) we change it (c) we measure it
7. 7.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) a comb (c) a funnel or spoon (d) baking soda
8. 8.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is kept the same. (a) False (b) True
9. 9.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) there is no change (b) it grows bigger (c) it turns blue (d) it shrinks
10. 10.🧺 Do we need a seed for the fizzy balloon? (a) needed (b) not needed
11. 11.🔍 Which is the odd one out? (a) detergent water (b) sugar water (c) salt water (d) plain water
12. 12.True or false: detergent water is a base. (a) True (b) False
13. 13.⚖️ 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
14. 14.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is what we measure. (a) True (b) False
15. 15.🔍 Which is the odd one out? (a) lemon juice (b) orange juice (c) vinegar (d) soap solution
16. 16.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the same bottle (b) the amount of vinegar (c) spoons of baking soda (d) the kind of balloon
17. 17.⚖️ 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
18. 18.True or false: lemon juice is an acid. (a) False (b) True
19. 19.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a balloon (c) a tray for spills (d) a mirror
20. 20.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a funnel or spoon (c) a magnet (d) a balloon
21. 21.True or false: orange juice is an acid. (a) False (b) True
22. 22.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
23. 23.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is what we measure. (a) False (b) True
24. 24.🫧 Is sugar water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
25. 25.🫧 Is plain water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
26. 26.🧺 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) a battery cell (d) a balloon
27. 27.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) vinegar (c) a seed (d) a balloon
28. 28.🫧 Which of these is an acid? (a) salt water (b) detergent water (c) soap solution (d) orange juice
29. 29.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a magnet (c) a mirror (d) vinegar
30. 30.⚖️ 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) False (b) True
31. 31.True or false: an empty bottle is not needed for the fizzy balloon. (a) False (b) True
32. 32.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we change it (b) we measure it (c) we keep it the same
33. 33.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a seed (c) sugar (d) a funnel or spoon
34. 34.🧺 Do we need a mirror for the fizzy balloon? (a) needed (b) not needed
35. 35.🫧 What do you see when baking soda meets vinegar? (a) it turns to ice (b) lots of fizzy bubbles (c) nothing at all (d) it glows in the dark
36. 36.True or false: salt water is neutral. (a) True (b) False
37. 37.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
38. 38.🧺 Which of these is needed for the fizzy balloon? (a) an empty bottle (b) a battery cell (c) sugar (d) a seed
39. 39.True or false: a balloon is needed for the fizzy balloon. (a) False (b) True
40. 40.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) needed (b) not needed

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