Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 291 · 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.True or false: detergent water is a base. (a) False (b) True
2. 2.🫧 Is salt water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
3. 3.🧺 Which of these is not needed for the fizzy balloon? (a) a seed (b) vinegar (c) a funnel or spoon (d) baking soda
4. 4.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we change it (b) we measure it (c) we keep it the same
5. 5.True or false: vinegar is a base. (a) True (b) False
6. 6.🔍 Which is the odd one out? (a) orange juice (b) baking soda water (c) lemon juice (d) vinegar
7. 7.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a mirror (c) vinegar (d) a balloon
8. 8.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a comb (c) vinegar (d) a balloon
9. 9.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) carbon dioxide (c) hydrogen (d) helium
10. 10.⚖️ 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
11. 11.🫧 Which of these is an acid? (a) soap solution (b) plain water (c) detergent water (d) tamarind water
12. 12.🔮 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
13. 13.🧺 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 seed (d) a balloon
14. 14.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a magnet (b) an empty bottle (c) a tray for spills (d) vinegar
15. 15.True or false: a mirror is needed for the fizzy balloon. (a) True (b) False
16. 16.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) add baking soda (c) rinse with clean water (d) ignore it
17. 17.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is what we measure. (a) True (b) False
18. 18.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) spoons of baking soda (b) size of the balloon (c) the amount of vinegar (d) the same bottle
19. 19.True or false: a funnel or spoon is needed for the fizzy balloon. (a) True (b) False
20. 20.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
21. 21.🔍 Which is the odd one out? (a) baking soda water (b) detergent water (c) sugar water (d) soap solution
22. 22.🔍 Which is the odd one out? (a) curd (b) vinegar (c) orange juice (d) detergent water
23. 23.🫧 What do you see when baking soda meets vinegar? (a) lots of fizzy bubbles (b) nothing at all (c) it glows in the dark (d) it turns to ice
24. 24.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is kept the same. (a) False (b) True
25. 25.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) sugar (c) a tray for spills (d) a mirror
26. 26.⚖️ 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
27. 27.⚖️ 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) spoons of baking soda (c) the same bottle (d) the kind of balloon
28. 28.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
29. 29.True or false: curd is a base. (a) False (b) True
30. 30.🫧 Which of these is a base? (a) orange juice (b) soap solution (c) plain water (d) lemon juice
31. 31.True or false: sugar is needed for the fizzy balloon. (a) False (b) True
32. 32.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) needed (b) not needed
33. 33.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) there is no change (b) it grows bigger (c) it turns blue (d) it shrinks
34. 34.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a battery cell (b) baking soda (c) an empty bottle (d) a tray for spills
35. 35.🔍 Which is the odd one out? (a) detergent water (b) soap solution (c) baking soda water (d) curd
36. 36.📘 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 dissolving (d) it is only melting
37. 37.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) a balloon (c) a tray for spills (d) a battery cell
38. 38.🔍 Which is the odd one out? (a) soap solution (b) baking soda water (c) plain water (d) detergent water
39. 39.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a battery cell (c) an empty bottle (d) a magnet
40. 40.True or false: a seed is needed for the fizzy balloon. (a) True (b) False

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