Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 872 · 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.True or false: soap solution is a base. (a) False (b) True
2. 2.🔍 Which is the odd one out? (a) soap solution (b) tamarind water (c) curd (d) orange juice
3. 3.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we keep it the same (b) we change it (c) we measure it
4. 4.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we keep it the same (b) we measure it (c) we change it
5. 5.True or false: baking soda is not needed for the fizzy balloon. (a) True (b) False
6. 6.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) baking soda (c) a mirror (d) a tray for spills
7. 7.🧺 Do we need a comb for the fizzy balloon? (a) not needed (b) needed
8. 8.🧺 Which of these is not needed for the fizzy balloon? (a) sugar (b) vinegar (c) baking soda (d) an empty bottle
9. 9.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
10. 10.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) shake it near your face (c) keep it away from eyes (d) put it in your mouth
11. 11.True or false: a tray for spills is not needed for the fizzy balloon. (a) True (b) False
12. 12.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) baking soda (c) a tray for spills (d) a magnet
13. 13.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) an empty bottle (c) a comb (d) a balloon
14. 14.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) it glows in the dark (c) lots of fizzy bubbles (d) it turns to ice
15. 15.True or false: vinegar is neutral. (a) False (b) True
16. 16.🫧 Which of these is a base? (a) sugar water (b) orange juice (c) detergent water (d) vinegar
17. 17.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) there is no change (b) it grows bigger (c) it turns blue (d) it shrinks
18. 18.🧺 Which of these is needed for the fizzy balloon? (a) vinegar (b) a seed (c) a mirror (d) a battery cell
19. 19.🧺 Do we need a battery cell for the fizzy balloon? (a) needed (b) not needed
20. 20.🫧 Is soap solution an acid, a base or neutral? (a) a base (b) neutral (c) an acid
21. 21.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) vinegar (c) a magnet (d) a tray for spills
22. 22.🔍 Which is the odd one out? (a) lemon juice (b) tamarind water (c) vinegar (d) baking soda water
23. 23.True or false: a magnet is not needed for the fizzy balloon. (a) False (b) True
24. 24.True or false: vinegar is needed for the fizzy balloon. (a) False (b) True
25. 25.⚖️ 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) size of the balloon (d) the kind of balloon
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? What do we do with “the same bottle”? (a) we keep it the same (b) we change it (c) we measure it
28. 28.🧺 Which of these is needed for the fizzy balloon? (a) a funnel or spoon (b) a battery cell (c) a comb (d) a mirror
29. 29.⚖️ 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
30. 30.🔍 Which is the odd one out? (a) soap solution (b) detergent water (c) baking soda water (d) sugar water
31. 31.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
32. 32.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) spoons of baking soda (b) size of the balloon (c) the kind of balloon
33. 33.🛟 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
34. 34.⚖️ 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
35. 35.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
36. 36.🔍 Which is the odd one out? (a) salt water (b) soap solution (c) baking soda water (d) detergent water
37. 37.🫧 Which of these is a base? (a) tamarind water (b) soap solution (c) orange juice (d) vinegar
38. 38.🎈 Why does the balloon blow up? (a) vinegar is hot (b) outside air gets in (c) gas is made inside (d) the bottle shrinks
39. 39.⚖️ 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
40. 40.⚖️ 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 same bottle (c) spoons of baking soda

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