Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 964 · 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: a magnet is not needed for the fizzy balloon. (a) False (b) True
2. 2.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a comb (c) a tray for spills (d) a balloon
3. 3.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a tray for spills (c) a magnet (d) a battery cell
4. 4.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) baking soda (c) a balloon (d) a comb
5. 5.⚖️ 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
6. 6.🔍 Which is the odd one out? (a) baking soda water (b) detergent water (c) soap solution (d) salt water
7. 7.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is the one thing we change. (a) True (b) False
8. 8.True or false: a tray for spills is needed for the fizzy balloon. (a) True (b) False
9. 9.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
10. 10.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the same bottle (b) spoons of baking soda (c) size of the balloon
11. 11.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a seed (c) vinegar (d) a funnel or spoon
12. 12.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they react (b) they freeze (c) they become magnets (d) they float apart
13. 13.🫧 Is curd an acid, a base or neutral? (a) a base (b) an acid (c) neutral
14. 14.🫧 Is baking soda water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
15. 15.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is what we measure. (a) True (b) False
16. 16.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
17. 17.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) seal it in a glass jar (c) put it in your mouth (d) keep it away from eyes
18. 18.⚖️ 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) spoons of baking soda (c) the amount of vinegar (d) the same bottle
19. 19.⚖️ 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 measure it (c) we keep it the same
20. 20.🔮 Predict: you use plain water instead of vinegar. What happens? (a) very little fizzing (b) a huge eruption (c) it turns to honey (d) the balloon bursts
21. 21.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we measure it (b) we change it (c) we keep it the same
22. 22.True or false: a seed is needed for the fizzy balloon. (a) True (b) False
23. 23.⚖️ 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 change it (c) we measure it
24. 24.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) vinegar (c) baking soda (d) a magnet
25. 25.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) False (b) True
26. 26.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) it glows in the dark (c) lots of fizzy bubbles (d) it turns to ice
27. 27.🧺 Which of these is needed for the fizzy balloon? (a) vinegar (b) a comb (c) a mirror (d) a battery cell
28. 28.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) a balloon (c) vinegar (d) a magnet
29. 29.🧺 Which of these is not needed for the fizzy balloon? (a) sugar (b) an empty bottle (c) baking soda (d) a tray for spills
30. 30.🧺 Do we need vinegar for the fizzy balloon? (a) needed (b) not needed
31. 31.🫧 Which of these is neutral? (a) lemon juice (b) tamarind water (c) sugar water (d) curd
32. 32.🧺 Do we need a comb for the fizzy balloon? (a) not needed (b) needed
33. 33.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a balloon (c) a battery cell (d) a mirror
34. 34.🛟 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
35. 35.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) hydrogen (b) helium (c) oxygen (d) carbon dioxide
36. 36.True or false: a comb is needed for the fizzy balloon. (a) False (b) True
37. 37.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) baking soda (c) vinegar (d) a battery cell
38. 38.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
39. 39.⚖️ 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
40. 40.True or false: tamarind water is a base. (a) False (b) True

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