Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 895 · 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 what we measure. (a) True (b) False
2. 2.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is kept the same. (a) False (b) True
3. 3.🫧 Which of these is neutral? (a) sugar water (b) baking soda water (c) soap solution (d) orange juice
4. 4.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we change it (b) we keep it the same (c) we measure it
5. 5.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
6. 6.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a seed (c) vinegar (d) a comb
7. 7.True or false: an empty bottle is needed for the fizzy balloon. (a) True (b) False
8. 8.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) size of the balloon (b) spoons of baking soda (c) the kind of balloon
9. 9.⚖️ 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 amount of vinegar (c) the same bottle (d) the kind of balloon
10. 10.🫧 Is orange juice 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 amount of vinegar is the one thing we change. (a) False (b) True
12. 12.True or false: a mirror is not needed for the fizzy balloon. (a) False (b) True
13. 13.True or false: plain water is neutral. (a) True (b) False
14. 14.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) put it in your mouth (c) keep it away from eyes (d) shake it near your face
15. 15.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a balloon (c) a magnet (d) a funnel or spoon
16. 16.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the same bottle (b) spoons of baking soda (c) size of the balloon (d) the kind of balloon
17. 17.🫧 What do you see when baking soda meets vinegar? (a) lots of fizzy bubbles (b) it glows in the dark (c) it turns to ice (d) nothing at all
18. 18.True or false: orange juice is a base. (a) True (b) False
19. 19.🫧 Which of these is an acid? (a) lemon juice (b) plain water (c) salt water (d) detergent water
20. 20.True or false: baking soda is needed for the fizzy balloon. (a) False (b) True
21. 21.🫧 Which of these is an acid? (a) baking soda water (b) curd (c) detergent water (d) soap solution
22. 22.🧺 Which of these is not needed for the fizzy balloon? (a) a battery cell (b) baking soda (c) an empty bottle (d) a balloon
23. 23.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a mirror (c) a funnel or spoon (d) an empty bottle
24. 24.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we keep it the same (b) we change it (c) we measure it
25. 25.True or false: baking soda is not needed for the fizzy balloon. (a) False (b) True
26. 26.🫧 Is tamarind water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
27. 27.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) an empty bottle (c) a balloon (d) a seed
28. 28.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
29. 29.🔍 Which is the odd one out? (a) baking soda water (b) detergent water (c) soap solution (d) plain water
30. 30.🫧 Is plain water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
31. 31.🔮 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
32. 32.🎈 Why does the balloon blow up? (a) outside air gets in (b) the bottle shrinks (c) gas is made inside (d) vinegar is hot
33. 33.🧺 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) baking soda
34. 34.True or false: lemon juice is neutral. (a) True (b) False
35. 35.🔮 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
36. 36.True or false: a tray for spills is needed for the fizzy balloon. (a) False (b) True
37. 37.⚖️ 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
38. 38.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) there is no change (b) it shrinks (c) it grows bigger (d) it turns blue
39. 39.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a tray for spills (c) a comb (d) a balloon
40. 40.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) sugar (c) a funnel or spoon (d) a comb

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