Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 465 · 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.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) lots of fizzy bubbles (c) it turns to ice (d) it glows in the dark
2. 2.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the amount of vinegar (b) spoons of baking soda (c) size of the balloon (d) the kind of balloon
3. 3.True or false: vinegar is neutral. (a) True (b) False
4. 4.🧺 Which of these is needed for the fizzy balloon? (a) baking soda (b) sugar (c) a battery cell (d) a comb
5. 5.True or false: soap solution is an acid. (a) False (b) True
6. 6.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) True (b) False
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.⚖️ 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
9. 9.⚖️ 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 same bottle
10. 10.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is what we measure. (a) False (b) True
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.🫧 Which of these is a base? (a) salt water (b) orange juice (c) baking soda water (d) curd
13. 13.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we change it (b) we keep it the same (c) we measure it
14. 14.True or false: orange juice is neutral. (a) False (b) True
15. 15.🔍 Which is the odd one out? (a) salt water (b) plain water (c) tamarind water (d) sugar water
16. 16.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
17. 17.⚖️ 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
18. 18.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) ignore it (c) add baking soda (d) rinse with clean water
19. 19.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they react (b) they become magnets (c) they freeze (d) they float apart
20. 20.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) it turns blue (c) there is no change (d) it grows bigger
21. 21.True or false: lemon juice is an acid. (a) False (b) True
22. 22.🔍 Which is the odd one out? (a) vinegar (b) soap solution (c) detergent water (d) baking soda water
23. 23.True or false: a balloon is not needed for the fizzy balloon. (a) True (b) False
24. 24.True or false: a funnel or spoon is needed for the fizzy balloon. (a) True (b) False
25. 25.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) size of the balloon (b) the kind of balloon (c) spoons of baking soda
26. 26.🔍 Which is the odd one out? (a) detergent water (b) soap solution (c) lemon juice (d) baking soda water
27. 27.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) shake it near your face (c) put it in your mouth (d) keep it away from eyes
28. 28.🔍 Which is the odd one out? (a) plain water (b) detergent water (c) salt water (d) sugar water
29. 29.🔍 Which is the odd one out? (a) baking soda water (b) orange juice (c) soap solution (d) detergent water
30. 30.🔍 Which is the odd one out? (a) plain water (b) curd (c) salt water (d) sugar water
31. 31.🧺 Which of these is not needed for the fizzy balloon? (a) a magnet (b) a balloon (c) a tray for spills (d) baking soda
32. 32.🫧 Which of these is neutral? (a) lemon juice (b) curd (c) salt water (d) baking soda water
33. 33.True or false: a seed is not needed for the fizzy balloon. (a) False (b) True
34. 34.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a funnel or spoon (c) an empty bottle (d) a comb
35. 35.True or false: tamarind water is an acid. (a) False (b) True
36. 36.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a battery cell (c) a balloon (d) a tray for spills
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) False (b) True
38. 38.⚖️ 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) the amount of vinegar
39. 39.🫧 Is salt water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
40. 40.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the amount of vinegar (b) size of the balloon (c) spoons of baking soda

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