Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 955 · 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? Which of these is the one thing we change? (a) the amount of vinegar (b) spoons of baking soda (c) the same bottle (d) size of the balloon
2. 2.🔮 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
3. 3.🫧 Which of these is a base? (a) salt water (b) detergent water (c) sugar water (d) lemon juice
4. 4.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is what we measure. (a) False (b) True
5. 5.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a funnel or spoon (c) a seed (d) a battery cell
6. 6.🧺 Do we need a battery cell for the fizzy balloon? (a) not needed (b) needed
7. 7.🔍 Which is the odd one out? (a) detergent water (b) plain water (c) baking soda water (d) soap solution
8. 8.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we measure it (b) we change it (c) we keep it the same
9. 9.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a funnel or spoon (c) a comb (d) an empty bottle
10. 10.🫧 Is baking soda water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
11. 11.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is kept the same. (a) False (b) True
12. 12.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is what we measure. (a) True (b) False
13. 13.🫧 Which of these is neutral? (a) soap solution (b) plain water (c) vinegar (d) baking soda water
14. 14.⚖️ 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
15. 15.🫧 Which of these is an acid? (a) soap solution (b) orange juice (c) sugar water (d) salt water
16. 16.🛟 What should you do if vinegar splashes in your eye? (a) rinse with clean water (b) add baking soda (c) ignore it (d) rub it hard
17. 17.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) an empty bottle (c) sugar (d) a mirror
18. 18.🫧 Which of these is an acid? (a) vinegar (b) soap solution (c) detergent water (d) baking soda water
19. 19.🧺 Do we need a mirror for the fizzy balloon? (a) needed (b) not needed
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) the amount of vinegar (c) size of the balloon
21. 21.🛟 Which safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) shake it near your face (c) seal it in a glass jar (d) put it in your mouth
22. 22.🧺 Do we need a tray for spills for the fizzy balloon? (a) needed (b) not needed
23. 23.⚖️ 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 change it (c) we keep it the same
24. 24.🎈 Why does the balloon blow up? (a) outside air gets in (b) vinegar is hot (c) gas is made inside (d) the bottle shrinks
25. 25.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a comb (c) a magnet (d) a tray for spills
26. 26.True or false: a battery cell is needed for the fizzy balloon. (a) True (b) False
27. 27.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) a mirror (c) vinegar (d) a tray for spills
28. 28.🫧 Which of these is a base? (a) plain water (b) vinegar (c) baking soda water (d) sugar water
29. 29.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is what we measure. (a) True (b) False
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) True (b) False
31. 31.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the same bottle (b) size of the balloon (c) spoons of baking soda (d) the kind of balloon
32. 32.🔍 Which is the odd one out? (a) sugar water (b) plain water (c) salt water (d) vinegar
33. 33.True or false: a balloon is needed for the fizzy balloon. (a) True (b) False
34. 34.True or false: vinegar is needed for the fizzy balloon. (a) True (b) False
35. 35.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) vinegar (c) baking soda (d) a seed
36. 36.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a battery cell (b) vinegar (c) a tray for spills (d) an empty bottle
37. 37.📘 Is the fizzing a sign that a new substance is made? (a) it is only melting (b) no, nothing changes (c) yes, a new gas forms (d) it is only dissolving
38. 38.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) it turns blue (c) it grows bigger (d) there is no change
39. 39.True or false: baking soda is needed for the fizzy balloon. (a) False (b) True
40. 40.True or false: vinegar is an acid. (a) False (b) True

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