Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 441 · 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 of these is a base? (a) tamarind water (b) detergent water (c) plain water (d) vinegar
2. 2.🧺 Do we need a battery cell for the fizzy balloon? (a) not needed (b) needed
3. 3.🫧 Is tamarind water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
4. 4.🧺 Which of these is needed for the fizzy balloon? (a) vinegar (b) sugar (c) a magnet (d) a comb
5. 5.⚖️ 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 amount of vinegar
6. 6.True or false: lemon juice is an acid. (a) False (b) True
7. 7.True or false: a comb is needed for the fizzy balloon. (a) False (b) True
8. 8.🛟 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
9. 9.🛟 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
10. 10.🫧 Is salt water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
11. 11.🧺 Which of these is needed for the fizzy balloon? (a) baking soda (b) a seed (c) a mirror (d) a battery cell
12. 12.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a balloon (c) baking soda (d) a comb
13. 13.True or false: a mirror is not needed for the fizzy balloon. (a) False (b) True
14. 14.True or false: orange juice is a base. (a) False (b) True
15. 15.🫧 Which of these is a base? (a) baking soda water (b) curd (c) plain water (d) lemon juice
16. 16.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it turns blue (b) it grows bigger (c) there is no change (d) it shrinks
17. 17.⚖️ 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 change it (c) we keep it the same
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.🔮 Predict: you use plain water instead of vinegar. What happens? (a) very little fizzing (b) it turns to honey (c) a huge eruption (d) the balloon bursts
20. 20.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) it turns to ice (c) lots of fizzy bubbles (d) it glows in the dark
21. 21.⚖️ 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
22. 22.True or false: sugar is needed for the fizzy balloon. (a) False (b) True
23. 23.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a funnel or spoon (c) baking soda (d) a magnet
24. 24.⚖️ 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
25. 25.⚖️ 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
26. 26.🧺 Do we need a seed for the fizzy balloon? (a) needed (b) not needed
27. 27.⚖️ 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 kind of balloon (c) spoons of baking soda (d) the amount of vinegar
28. 28.🔍 Which is the odd one out? (a) vinegar (b) lemon juice (c) baking soda water (d) orange juice
29. 29.⚖️ 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 same bottle (c) size of the balloon
30. 30.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is the one thing we change. (a) True (b) False
31. 31.🫧 Is orange juice an acid, a base or neutral? (a) neutral (b) an acid (c) a base
32. 32.🫧 Which of these is an acid? (a) plain water (b) curd (c) salt water (d) detergent water
33. 33.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
34. 34.🔍 Which is the odd one out? (a) soap solution (b) vinegar (c) tamarind water (d) curd
35. 35.🧺 Do we need a balloon for the fizzy balloon? (a) needed (b) not needed
36. 36.🫧 Which of these is neutral? (a) soap solution (b) detergent water (c) salt water (d) orange juice
37. 37.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
38. 38.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a battery cell (c) baking soda (d) a funnel or spoon
39. 39.True or false: plain water is neutral. (a) True (b) False
40. 40.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) False (b) True

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