Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 795 · 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.🔮 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 shrinks (d) it grows bigger
2. 2.True or false: vinegar is not needed for the fizzy balloon. (a) False (b) True
3. 3.🫧 Is sugar water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
4. 4.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the amount of vinegar (b) spoons of baking soda (c) size of the balloon
5. 5.🫧 Is vinegar an acid, a base or neutral? (a) a base (b) an acid (c) neutral
6. 6.🔍 Which is the odd one out? (a) vinegar (b) detergent water (c) orange juice (d) curd
7. 7.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is kept the same. (a) True (b) False
8. 8.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a funnel or spoon (c) a balloon (d) a battery cell
9. 9.🛟 What should you do if vinegar splashes in your eye? (a) rinse with clean water (b) add baking soda (c) ignore it (d) rub it hard
10. 10.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) size of the balloon (b) the same bottle (c) the amount of vinegar (d) spoons of baking soda
11. 11.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is what we measure. (a) True (b) False
12. 12.🧺 Do we need a battery cell for the fizzy balloon? (a) needed (b) not needed
13. 13.🧺 Which of these is needed for the fizzy balloon? (a) a funnel or spoon (b) a seed (c) a battery cell (d) a magnet
14. 14.⚖️ 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
15. 15.True or false: baking soda water is a base. (a) False (b) True
16. 16.🫧 What do you see when baking soda meets vinegar? (a) lots of fizzy bubbles (b) nothing at all (c) it turns to ice (d) it glows in the dark
17. 17.⚖️ 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
18. 18.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) a comb (c) baking soda (d) vinegar
19. 19.🔍 Which is the odd one out? (a) salt water (b) vinegar (c) plain water (d) sugar water
20. 20.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) needed (b) not needed
21. 21.🫧 Which of these is neutral? (a) soap solution (b) vinegar (c) detergent water (d) plain water
22. 22.🔍 Which is the odd one out? (a) salt water (b) soap solution (c) sugar water (d) plain water
23. 23.🔮 The fizzing stops after a while. Why? (a) the balloon got cold (b) the gas froze (c) the bottle got tired (d) an ingredient ran out
24. 24.🫧 Is baking soda water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
25. 25.🫧 Which of these is an acid? (a) baking soda water (b) detergent water (c) sugar water (d) tamarind water
26. 26.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) carbon dioxide (b) hydrogen (c) helium (d) oxygen
27. 27.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) vinegar (c) a comb (d) a balloon
28. 28.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) baking soda (c) a seed (d) vinegar
29. 29.🫧 Which of these is an acid? (a) plain water (b) salt water (c) vinegar (d) sugar water
30. 30.True or false: a mirror is not needed for the fizzy balloon. (a) True (b) False
31. 31.True or false: a mirror is needed for the fizzy balloon. (a) True (b) False
32. 32.🔍 Which is the odd one out? (a) salt water (b) lemon juice (c) orange juice (d) vinegar
33. 33.True or false: sugar is needed for the fizzy balloon. (a) True (b) False
34. 34.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a tray for spills (c) a balloon (d) a mirror
35. 35.True or false: salt water is neutral. (a) True (b) False
36. 36.🫧 Is salt water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
37. 37.🔍 Which is the odd one out? (a) curd (b) plain water (c) tamarind water (d) lemon juice
38. 38.⚖️ 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 kind of balloon (c) the same bottle (d) the amount of vinegar
39. 39.⚖️ 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
40. 40.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the kind of balloon (b) size of the balloon (c) spoons of baking soda

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