Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 552 · 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 same bottle is kept the same. (a) True (b) False
2. 2.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we change it (b) we measure it (c) we keep it the same
3. 3.⚖️ 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
4. 4.⚖️ 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
5. 5.True or false: an empty bottle is needed for the fizzy balloon. (a) False (b) True
6. 6.True or false: an empty bottle is not needed for the fizzy balloon. (a) False (b) True
7. 7.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a balloon (c) a seed (d) baking soda
8. 8.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a seed (c) an empty bottle (d) vinegar
9. 9.True or false: a comb is needed for the fizzy balloon. (a) True (b) False
10. 10.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a tray for spills (c) a battery cell (d) a funnel or spoon
11. 11.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they react (b) they freeze (c) they float apart (d) they become magnets
12. 12.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) it turns to honey (c) very little fizzing (d) the balloon bursts
13. 13.📘 Is the fizzing a sign that a new substance is made? (a) it is only melting (b) it is only dissolving (c) no, nothing changes (d) yes, a new gas forms
14. 14.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) add baking soda (c) rub it hard (d) rinse with clean water
15. 15.⚖️ 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 same bottle
16. 16.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is kept the same. (a) False (b) True
17. 17.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) keep it away from eyes (c) put it in your mouth (d) shake it near your face
18. 18.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) there is no change (b) it turns blue (c) it grows bigger (d) it shrinks
19. 19.🧺 Which of these is needed for the fizzy balloon? (a) a balloon (b) a mirror (c) a magnet (d) sugar
20. 20.🔍 Which is the odd one out? (a) sugar water (b) detergent water (c) plain water (d) salt water
21. 21.True or false: vinegar is needed for the fizzy balloon. (a) True (b) False
22. 22.🫧 Is soap solution an acid, a base or neutral? (a) a base (b) neutral (c) an acid
23. 23.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) baking soda (c) a funnel or spoon (d) sugar
24. 24.⚖️ 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) True (b) False
25. 25.🧺 Do we need a seed for the fizzy balloon? (a) not needed (b) needed
26. 26.🔍 Which is the odd one out? (a) plain water (b) salt water (c) sugar water (d) baking soda water
27. 27.True or false: plain water is an acid. (a) False (b) True
28. 28.⚖️ 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 amount of vinegar
29. 29.True or false: a funnel or spoon is needed for the fizzy balloon. (a) True (b) False
30. 30.🧺 Do we need vinegar for the fizzy balloon? (a) needed (b) not needed
31. 31.🔍 Which is the odd one out? (a) soap solution (b) salt water (c) baking soda water (d) detergent water
32. 32.🫧 What do you see when baking soda meets vinegar? (a) it glows in the dark (b) it turns to ice (c) nothing at all (d) lots of fizzy bubbles
33. 33.True or false: vinegar is a base. (a) False (b) True
34. 34.🔍 Which is the odd one out? (a) detergent water (b) soap solution (c) plain water (d) baking soda water
35. 35.⚖️ 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
36. 36.🎈 Why does the balloon blow up? (a) the bottle shrinks (b) vinegar is hot (c) outside air gets in (d) gas is made inside
37. 37.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) a mirror (c) vinegar (d) a funnel or spoon
38. 38.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
39. 39.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the same bottle (b) the kind of balloon (c) size of the balloon (d) the amount of vinegar
40. 40.🫧 Is salt water an acid, a base or neutral? (a) a base (b) an acid (c) neutral

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