Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 152 · 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) an empty bottle (b) a comb (c) vinegar (d) a tray for spills
2. 2.🧺 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 magnet
3. 3.True or false: sugar is needed for the fizzy balloon. (a) True (b) False
4. 4.🧺 Do we need a balloon for the fizzy balloon? (a) needed (b) not needed
5. 5.🫧 Is detergent water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
6. 6.🫧 Which of these is an acid? (a) sugar water (b) baking soda water (c) soap solution (d) vinegar
7. 7.🫧 Which of these is an acid? (a) sugar water (b) orange juice (c) soap solution (d) baking soda water
8. 8.🧺 Do we need sugar for the fizzy balloon? (a) not needed (b) needed
9. 9.🔍 Which is the odd one out? (a) curd (b) lemon juice (c) detergent water (d) vinegar
10. 10.🫧 Is tamarind water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
11. 11.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they become magnets (b) they react (c) they float apart (d) they freeze
12. 12.📘 Is the fizzing a sign that a new substance is made? (a) it is only melting (b) no, nothing changes (c) it is only dissolving (d) yes, a new gas forms
13. 13.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) size of the balloon (b) the amount of vinegar (c) the same bottle (d) spoons of baking soda
14. 14.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) spoons of baking soda (b) the kind of balloon (c) size of the balloon (d) the same bottle
15. 15.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is the one thing we change. (a) True (b) False
16. 16.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a funnel or spoon (c) an empty bottle (d) a battery cell
17. 17.🫧 What do you see when baking soda meets vinegar? (a) it turns to ice (b) it glows in the dark (c) nothing at all (d) lots of fizzy bubbles
18. 18.🎈 Why does the balloon blow up? (a) vinegar is hot (b) the bottle shrinks (c) outside air gets in (d) gas is made inside
19. 19.🧺 Do we need a tray for spills for the fizzy balloon? (a) needed (b) not needed
20. 20.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) the gas froze (c) an ingredient ran out (d) the balloon got cold
21. 21.⚖️ 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 measure it (c) we keep it the same
22. 22.⚖️ 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 keep it the same (c) we change it
23. 23.🧺 Which of these is needed for the fizzy balloon? (a) a balloon (b) a battery cell (c) sugar (d) a comb
24. 24.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is kept the same. (a) False (b) True
25. 25.⚖️ 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
26. 26.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a tray for spills (c) sugar (d) a balloon
27. 27.🫧 Which of these is an acid? (a) tamarind water (b) plain water (c) soap solution (d) baking soda water
28. 28.True or false: a balloon is needed for the fizzy balloon. (a) False (b) True
29. 29.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
30. 30.🫧 Is curd an acid, a base or neutral? (a) neutral (b) a base (c) an acid
31. 31.⚖️ 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
32. 32.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we change it (b) we keep it the same (c) we measure it
33. 33.True or false: a battery cell is needed for the fizzy balloon. (a) True (b) False
34. 34.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
35. 35.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a comb (c) baking soda (d) a battery cell
36. 36.🧺 Do we need a seed for the fizzy balloon? (a) not needed (b) needed
37. 37.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) it turns blue (c) it grows bigger (d) there is no change
38. 38.🫧 Which of these is neutral? (a) orange juice (b) curd (c) baking soda water (d) sugar water
39. 39.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) hydrogen (c) carbon dioxide (d) helium
40. 40.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) add baking soda (c) ignore it (d) rinse with clean water

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