Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 729 · 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 what we measure? (a) spoons of baking soda (b) the kind of balloon (c) size of the balloon (d) the amount of vinegar
2. 2.True or false: a comb is needed for the fizzy balloon. (a) False (b) True
3. 3.🫧 Is salt water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
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.🔍 Which is the odd one out? (a) vinegar (b) tamarind water (c) lemon juice (d) baking soda water
6. 6.🫧 Which of these is an acid? (a) plain water (b) detergent water (c) lemon juice (d) soap solution
7. 7.🔍 Which is the odd one out? (a) tamarind water (b) sugar water (c) vinegar (d) orange juice
8. 8.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is what we measure. (a) True (b) False
9. 9.⚖️ 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
10. 10.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the kind of balloon (b) size of the balloon (c) spoons of baking soda (d) the same bottle
11. 11.🔍 Which is the odd one out? (a) plain water (b) vinegar (c) sugar water (d) salt water
12. 12.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we change it (b) we keep it the same (c) we measure it
13. 13.🔍 Which is the odd one out? (a) soap solution (b) detergent water (c) baking soda water (d) curd
14. 14.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) baking soda (c) an empty bottle (d) a mirror
15. 15.True or false: baking soda water is an acid. (a) False (b) True
16. 16.🧺 Do we need a battery cell for the fizzy balloon? (a) needed (b) not needed
17. 17.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we keep it the same (b) we change it (c) we measure it
18. 18.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a battery cell (c) a magnet (d) a funnel or spoon
19. 19.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) rinse with clean water (c) rub it hard (d) add baking soda
20. 20.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a seed (b) a tray for spills (c) baking soda (d) an empty bottle
21. 21.True or false: a tray for spills is not needed for the fizzy balloon. (a) True (b) False
22. 22.📘 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
23. 23.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the same bottle (b) size of the balloon (c) spoons of baking soda
24. 24.True or false: vinegar is neutral. (a) True (b) False
25. 25.🫧 Is orange juice an acid, a base or neutral? (a) a base (b) an acid (c) neutral
26. 26.🧺 Which of these is needed for the fizzy balloon? (a) an empty bottle (b) a comb (c) a mirror (d) a seed
27. 27.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is kept the same. (a) True (b) False
28. 28.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) keep it away from eyes (c) put it in your mouth (d) seal it in a glass jar
29. 29.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) vinegar (c) a tray for spills (d) a magnet
30. 30.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a funnel or spoon (c) a tray for spills (d) a magnet
31. 31.True or false: a tray for spills is needed for the fizzy balloon. (a) True (b) False
32. 32.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) helium (c) carbon dioxide (d) hydrogen
33. 33.🫧 What do you see when baking soda meets vinegar? (a) it turns to ice (b) lots of fizzy bubbles (c) nothing at all (d) it glows in the dark
34. 34.⚖️ 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
35. 35.🔍 Which is the odd one out? (a) vinegar (b) curd (c) orange juice (d) salt water
36. 36.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) a funnel or spoon (c) an empty bottle (d) a battery cell
37. 37.📘 Is the fizzing a sign that a new substance is made? (a) no, nothing changes (b) it is only melting (c) it is only dissolving (d) yes, a new gas forms
38. 38.🫧 Which of these is an acid? (a) baking soda water (b) sugar water (c) tamarind water (d) soap solution
39. 39.True or false: salt water is neutral. (a) False (b) True
40. 40.True or false: soap solution is a base. (a) True (b) False

Free science experiments lessons, practice and worksheets at talentjr.in/science-experiments-for-kids