Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 76 · 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: the amount of vinegar is the one thing we change. (a) False (b) True
2. 2.🫧 What do you see when baking soda meets vinegar? (a) lots of fizzy bubbles (b) nothing at all (c) it glows in the dark (d) it turns to ice
3. 3.True or false: an empty bottle is not needed for the fizzy balloon. (a) True (b) False
4. 4.True or false: baking soda water is neutral. (a) True (b) False
5. 5.🧺 Do we need a magnet for the fizzy balloon? (a) needed (b) not needed
6. 6.🧺 Do we need a battery cell for the fizzy balloon? (a) needed (b) not needed
7. 7.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we measure it (b) we keep it the same (c) we change it
8. 8.🔮 The fizzing stops after a while. Why? (a) the balloon got cold (b) the bottle got tired (c) an ingredient ran out (d) the gas froze
9. 9.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
10. 10.⚖️ 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
11. 11.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a battery cell (c) a seed (d) an empty bottle
12. 12.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it grows bigger (b) it turns blue (c) it shrinks (d) there is no change
13. 13.True or false: sugar is not needed for the fizzy balloon. (a) True (b) False
14. 14.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is kept the same. (a) True (b) False
15. 15.🫧 Which of these is an acid? (a) baking soda water (b) lemon juice (c) salt water (d) detergent water
16. 16.⚖️ 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 same bottle (c) spoons of baking soda (d) size of the balloon
17. 17.True or false: a comb is needed for the fizzy balloon. (a) False (b) True
18. 18.⚖️ 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
19. 19.🫧 Is vinegar an acid, a base or neutral? (a) neutral (b) an acid (c) a base
20. 20.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a balloon (c) a battery cell (d) baking soda
21. 21.True or false: lemon juice is an acid. (a) True (b) False
22. 22.True or false: baking soda is not needed for the fizzy balloon. (a) True (b) False
23. 23.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) keep it away from eyes (c) seal it in a glass jar (d) put it in your mouth
24. 24.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
25. 25.⚖️ 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
26. 26.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) rub it hard (c) rinse with clean water (d) add baking soda
27. 27.True or false: a mirror is not needed for the fizzy balloon. (a) False (b) True
28. 28.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a funnel or spoon (c) a seed (d) a tray for spills
29. 29.⚖️ 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 change it (c) we measure it
30. 30.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) vinegar (c) sugar (d) a magnet
31. 31.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we change it (b) we measure it (c) we keep it the same
32. 32.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
33. 33.🔍 Which is the odd one out? (a) salt water (b) plain water (c) vinegar (d) sugar water
34. 34.True or false: sugar is needed for the fizzy balloon. (a) False (b) True
35. 35.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a tray for spills (c) a balloon (d) a comb
36. 36.🔮 Predict: you use plain water instead of vinegar. What happens? (a) the balloon bursts (b) it turns to honey (c) a huge eruption (d) very little fizzing
37. 37.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a comb (b) an empty bottle (c) a funnel or spoon (d) a tray for spills
38. 38.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) vinegar (c) a seed (d) an empty bottle
39. 39.⚖️ 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
40. 40.🫧 Which of these is a base? (a) curd (b) baking soda water (c) vinegar (d) salt water

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