Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 215 · 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.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) size of the balloon (b) spoons of baking soda (c) the amount of vinegar
2. 2.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) put it in your mouth (c) keep it away from eyes (d) seal it in a glass jar
3. 3.⚖️ 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) size of the balloon (d) spoons of baking soda
4. 4.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a comb (c) vinegar (d) an empty bottle
5. 5.True or false: vinegar is neutral. (a) False (b) True
6. 6.🫧 Is tamarind water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
7. 7.🔍 Which is the odd one out? (a) plain water (b) lemon juice (c) vinegar (d) orange juice
8. 8.🫧 Which of these is neutral? (a) detergent water (b) tamarind water (c) soap solution (d) sugar water
9. 9.🎈 Why does the balloon blow up? (a) the bottle shrinks (b) gas is made inside (c) vinegar is hot (d) outside air gets in
10. 10.🫧 Which of these is a base? (a) lemon juice (b) detergent water (c) vinegar (d) plain water
11. 11.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) spoons of baking soda (b) size of the balloon (c) the same bottle
12. 12.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) helium (b) oxygen (c) hydrogen (d) carbon dioxide
13. 13.🫧 Which of these is an acid? (a) sugar water (b) baking soda water (c) curd (d) salt water
14. 14.🔮 Predict: you use plain water instead of vinegar. What happens? (a) the balloon bursts (b) a huge eruption (c) it turns to honey (d) very little fizzing
15. 15.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a seed (c) a tray for spills (d) a funnel or spoon
16. 16.True or false: curd is an acid. (a) True (b) False
17. 17.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) rub it hard (c) add baking soda (d) rinse with clean water
18. 18.⚖️ 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
19. 19.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a magnet (c) vinegar (d) a seed
20. 20.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is kept the same. (a) False (b) True
21. 21.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
22. 22.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they freeze (b) they become magnets (c) they react (d) they float apart
23. 23.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
24. 24.🫧 Which of these is neutral? (a) orange juice (b) baking soda water (c) tamarind water (d) plain water
25. 25.⚖️ 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
26. 26.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) baking soda (c) a magnet (d) a balloon
27. 27.🧺 Do we need a tray for spills for the fizzy balloon? (a) needed (b) not needed
28. 28.True or false: a seed is needed for the fizzy balloon. (a) False (b) True
29. 29.⚖️ 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
30. 30.⚖️ 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
31. 31.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it turns blue (b) there is no change (c) it grows bigger (d) it shrinks
32. 32.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a magnet (c) sugar (d) a balloon
33. 33.🔍 Which is the odd one out? (a) tamarind water (b) sugar water (c) lemon juice (d) vinegar
34. 34.🧺 Do we need a seed for the fizzy balloon? (a) needed (b) not needed
35. 35.🧺 Do we need a battery cell for the fizzy balloon? (a) needed (b) not needed
36. 36.🧺 Do we need vinegar for the fizzy balloon? (a) needed (b) not needed
37. 37.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the same bottle (b) the kind of balloon (c) spoons of baking soda (d) size of the balloon
38. 38.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a comb (c) a magnet (d) a funnel or spoon
39. 39.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is the one thing we change. (a) False (b) True
40. 40.📘 Is the fizzing a sign that a new substance is made? (a) no, nothing changes (b) it is only melting (c) yes, a new gas forms (d) it is only dissolving

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