Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 97 · 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.🫧 Is lemon juice an acid, a base or neutral? (a) neutral (b) a base (c) an acid
2. 2.True or false: plain water is neutral. (a) True (b) False
3. 3.True or false: a mirror is not needed for the fizzy balloon. (a) False (b) True
4. 4.True or false: sugar water is an acid. (a) False (b) True
5. 5.True or false: baking soda is not needed for the fizzy balloon. (a) False (b) True
6. 6.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) rinse with clean water (c) ignore it (d) rub it hard
7. 7.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) hydrogen (c) helium (d) carbon dioxide
8. 8.🫧 Is baking soda water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
9. 9.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is the one thing we change. (a) False (b) True
10. 10.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is kept the same. (a) True (b) False
11. 11.⚖️ 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) spoons of baking soda (c) the amount of vinegar (d) size of the balloon
12. 12.🔍 Which is the odd one out? (a) plain water (b) sugar water (c) baking soda water (d) salt water
13. 13.⚖️ 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
14. 14.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) seal it in a glass jar (c) keep it away from eyes (d) put it in your mouth
15. 15.🔮 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
16. 16.🧺 Which of these is needed for the fizzy balloon? (a) baking soda (b) a comb (c) a battery cell (d) a seed
17. 17.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) baking soda (c) a seed (d) an empty bottle
18. 18.True or false: an empty bottle is not needed for the fizzy balloon. (a) True (b) False
19. 19.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is kept the same. (a) True (b) False
20. 20.True or false: a battery cell is not needed for the fizzy balloon. (a) False (b) True
21. 21.🫧 Which of these is neutral? (a) sugar water (b) lemon juice (c) detergent water (d) vinegar
22. 22.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a magnet (c) vinegar (d) a battery cell
23. 23.🫧 Which of these is neutral? (a) lemon juice (b) plain water (c) detergent water (d) tamarind water
24. 24.📘 Is the fizzing a sign that a new substance is made? (a) no, nothing changes (b) yes, a new gas forms (c) it is only melting (d) it is only dissolving
25. 25.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) it grows bigger (c) it turns blue (d) there is no change
26. 26.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) False (b) True
27. 27.🫧 Is sugar water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
28. 28.True or false: a mirror is needed for the fizzy balloon. (a) False (b) True
29. 29.🫧 What do you see when baking soda meets vinegar? (a) it glows in the dark (b) nothing at all (c) lots of fizzy bubbles (d) it turns to ice
30. 30.🫧 Which of these is an acid? (a) baking soda water (b) curd (c) soap solution (d) detergent water
31. 31.⚖️ 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
32. 32.🎈 Why does the balloon blow up? (a) the bottle shrinks (b) outside air gets in (c) vinegar is hot (d) gas is made inside
33. 33.🔮 The fizzing stops after a while. Why? (a) the balloon got cold (b) the bottle got tired (c) an ingredient ran out (d) the gas froze
34. 34.🫧 Is tamarind water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
35. 35.🔍 Which is the odd one out? (a) detergent water (b) sugar water (c) salt water (d) plain water
36. 36.🫧 Which of these is a base? (a) vinegar (b) detergent water (c) sugar water (d) salt water
37. 37.🧺 Do we need a battery cell 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) vinegar (b) a balloon (c) a comb (d) an empty bottle
39. 39.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) vinegar (c) a seed (d) baking soda
40. 40.🔍 Which is the odd one out? (a) salt water (b) vinegar (c) sugar water (d) plain water

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