Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 614 · 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.🫧 Which of these is a base? (a) detergent water (b) orange juice (c) curd (d) sugar water
2. 2.🫧 Is detergent water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
3. 3.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it grows bigger (b) it shrinks (c) there is no change (d) it turns blue
4. 4.🔮 The fizzing stops after a while. Why? (a) the balloon got cold (b) the gas froze (c) an ingredient ran out (d) the bottle got tired
5. 5.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a funnel or spoon (c) sugar (d) a tray for spills
6. 6.⚖️ 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) False (b) True
7. 7.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) ignore it (c) rinse with clean water (d) rub it hard
8. 8.⚖️ 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
9. 9.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) helium (c) carbon dioxide (d) hydrogen
10. 10.⚖️ 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
11. 11.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is what we measure. (a) False (b) True
12. 12.True or false: vinegar is needed for the fizzy balloon. (a) True (b) False
13. 13.🫧 Which of these is a base? (a) baking soda water (b) plain water (c) curd (d) tamarind water
14. 14.🫧 Which of these is neutral? (a) vinegar (b) detergent water (c) sugar water (d) curd
15. 15.True or false: baking soda is needed for the fizzy balloon. (a) True (b) False
16. 16.🧺 Do we need a mirror for the fizzy balloon? (a) needed (b) not needed
17. 17.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) an empty bottle (c) vinegar (d) a battery cell
18. 18.🎈 Why does the balloon blow up? (a) vinegar is hot (b) gas is made inside (c) outside air gets in (d) the bottle shrinks
19. 19.📘 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
20. 20.🫧 What do you see when baking soda meets vinegar? (a) it turns to ice (b) it glows in the dark (c) lots of fizzy bubbles (d) nothing at all
21. 21.🫧 Is tamarind water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
22. 22.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the same bottle (b) the amount of vinegar (c) spoons of baking soda (d) size of the balloon
23. 23.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a comb (c) a tray for spills (d) a battery cell
24. 24.⚖️ 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
25. 25.🔮 Predict: you use plain water instead of vinegar. What happens? (a) very little fizzing (b) it turns to honey (c) the balloon bursts (d) a huge eruption
26. 26.True or false: sugar water is a base. (a) False (b) True
27. 27.📘 Is the fizzing a sign that a new substance is made? (a) yes, a new gas forms (b) no, nothing changes (c) it is only melting (d) it is only dissolving
28. 28.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is kept the same. (a) False (b) True
29. 29.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a seed (c) vinegar (d) a tray for spills
30. 30.🫧 Which of these is an acid? (a) tamarind water (b) soap solution (c) baking soda water (d) salt water
31. 31.🧺 Do we need a comb for the fizzy balloon? (a) not needed (b) needed
32. 32.🧺 Do we need a battery cell for the fizzy balloon? (a) needed (b) not needed
33. 33.True or false: plain water is neutral. (a) True (b) False
34. 34.🔍 Which is the odd one out? (a) detergent water (b) vinegar (c) lemon juice (d) tamarind water
35. 35.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
36. 36.🔍 Which is the odd one out? (a) vinegar (b) orange juice (c) soap solution (d) curd
37. 37.True or false: an empty bottle is needed for the fizzy balloon. (a) False (b) True
38. 38.🔍 Which is the odd one out? (a) baking soda water (b) detergent water (c) sugar water (d) soap solution
39. 39.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) an empty bottle (c) a mirror (d) a magnet
40. 40.🫧 Is baking soda water an acid, a base or neutral? (a) a base (b) neutral (c) an acid

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