Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 181 · 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.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a seed (c) baking soda (d) a tray for spills
2. 2.True or false: sugar water is an acid. (a) True (b) False
3. 3.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
4. 4.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) put it in your mouth (c) keep it away from eyes (d) seal it in a glass jar
5. 5.🧺 Do we need a battery cell for the fizzy balloon? (a) needed (b) not needed
6. 6.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a funnel or spoon (c) a battery cell (d) sugar
7. 7.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
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 same bottle
9. 9.🫧 What do you see when baking soda meets vinegar? (a) it glows in the dark (b) lots of fizzy bubbles (c) nothing at all (d) it turns to ice
10. 10.True or false: detergent water is an acid. (a) False (b) True
11. 11.🫧 Is sugar water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
12. 12.True or false: baking soda is not needed for the fizzy balloon. (a) True (b) False
13. 13.🔍 Which is the odd one out? (a) plain water (b) salt water (c) sugar water (d) baking soda water
14. 14.🔍 Which is the odd one out? (a) salt water (b) sugar water (c) plain water (d) soap solution
15. 15.🔍 Which is the odd one out? (a) sugar water (b) salt water (c) detergent water (d) plain water
16. 16.🫧 Is plain water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
17. 17.True or false: vinegar is an acid. (a) True (b) False
18. 18.⚖️ 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
19. 19.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) helium (b) hydrogen (c) oxygen (d) carbon dioxide
20. 20.🫧 Which of these is an acid? (a) baking soda water (b) detergent water (c) tamarind water (d) plain water
21. 21.🔮 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
22. 22.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
23. 23.⚖️ 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
24. 24.True or false: vinegar is not needed for the fizzy balloon. (a) True (b) False
25. 25.⚖️ 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 measure it (c) we change it
26. 26.True or false: detergent water is neutral. (a) False (b) True
27. 27.🫧 Which of these is an acid? (a) lemon juice (b) baking soda water (c) sugar water (d) plain water
28. 28.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) a tray for spills (c) vinegar (d) a mirror
29. 29.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
30. 30.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a balloon (c) a tray for spills (d) a seed
31. 31.🫧 Which of these is neutral? (a) baking soda water (b) plain water (c) curd (d) tamarind water
32. 32.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) an empty bottle (c) baking soda (d) a magnet
33. 33.⚖️ 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
34. 34.⚖️ 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
35. 35.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is kept the same. (a) True (b) False
36. 36.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) very little fizzing (c) it turns to honey (d) the balloon bursts
37. 37.🎈 Why does the balloon blow up? (a) outside air gets in (b) gas is made inside (c) the bottle shrinks (d) vinegar is hot
38. 38.⚖️ 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
39. 39.🫧 Which of these is neutral? (a) detergent water (b) sugar water (c) orange juice (d) vinegar
40. 40.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) vinegar (c) a funnel or spoon (d) a magnet

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