Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 575 · 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? What do we do with “the same bottle”? (a) we measure it (b) we keep it the same (c) we change it
2. 2.True or false: a magnet is needed for the fizzy balloon. (a) True (b) False
3. 3.True or false: sugar is not needed for the fizzy balloon. (a) False (b) True
4. 4.🔍 Which is the odd one out? (a) salt water (b) sugar water (c) soap solution (d) plain water
5. 5.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a funnel or spoon (c) a magnet (d) vinegar
6. 6.🫧 Which of these is a base? (a) orange juice (b) detergent water (c) salt water (d) curd
7. 7.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) False (b) True
8. 8.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we keep it the same (b) we change it (c) we measure it
9. 9.🫧 What do you see when baking soda meets vinegar? (a) it glows in the dark (b) it turns to ice (c) lots of fizzy bubbles (d) nothing at all
10. 10.True or false: soap solution is a base. (a) False (b) True
11. 11.⚖️ 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
12. 12.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a seed (c) a battery cell (d) an empty bottle
13. 13.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they react (b) they become magnets (c) they float apart (d) they freeze
14. 14.True or false: sugar water is neutral. (a) False (b) True
15. 15.📘 Is the fizzing a sign that a new substance is made? (a) it is only dissolving (b) it is only melting (c) yes, a new gas forms (d) no, nothing changes
16. 16.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) seal it in a glass jar (c) keep it away from eyes (d) put it in your mouth
17. 17.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is what we measure. (a) False (b) True
18. 18.True or false: a comb is needed for the fizzy balloon. (a) True (b) False
19. 19.🧺 Do we need a battery cell for the fizzy balloon? (a) needed (b) not needed
20. 20.🫧 Which of these is neutral? (a) lemon juice (b) vinegar (c) orange juice (d) sugar water
21. 21.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a magnet (c) a comb (d) vinegar
22. 22.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a funnel or spoon (c) sugar (d) an empty bottle
23. 23.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) spoons of baking soda (b) the kind of balloon (c) size of the balloon
24. 24.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a seed (b) vinegar (c) a tray for spills (d) an empty bottle
25. 25.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) size of the balloon (b) spoons of baking soda (c) the kind of balloon (d) the same bottle
26. 26.True or false: an empty bottle is needed for the fizzy balloon. (a) True (b) False
27. 27.⚖️ 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
28. 28.🎈 Why does the balloon blow up? (a) vinegar is hot (b) gas is made inside (c) outside air gets in (d) the bottle shrinks
29. 29.🧺 Do we need a tray for spills for the fizzy balloon? (a) needed (b) not needed
30. 30.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
31. 31.🫧 Is plain water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
32. 32.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) hydrogen (c) helium (d) carbon dioxide
33. 33.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a comb (c) a mirror (d) a funnel or spoon
34. 34.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a tray for spills (c) a magnet (d) a funnel or spoon
35. 35.True or false: curd is an acid. (a) True (b) False
36. 36.🔍 Which is the odd one out? (a) plain water (b) tamarind water (c) sugar water (d) salt water
37. 37.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a balloon (c) a comb (d) a tray for spills
38. 38.True or false: orange juice is a base. (a) False (b) True
39. 39.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) an empty bottle (c) a tray for spills (d) a battery cell
40. 40.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) very little fizzing (c) the balloon bursts (d) a huge eruption

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