Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 327 · 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 mirror is not needed for the fizzy balloon. (a) False (b) True
2. 2.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
3. 3.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) an empty bottle (c) a magnet (d) vinegar
4. 4.🫧 Is salt water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
5. 5.🎈 Why does the balloon blow up? (a) vinegar is hot (b) the bottle shrinks (c) gas is made inside (d) outside air gets in
6. 6.🫧 Is vinegar an acid, a base or neutral? (a) neutral (b) an acid (c) a base
7. 7.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) ignore it (c) rub it hard (d) rinse with clean water
8. 8.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) baking soda (c) a battery cell (d) vinegar
9. 9.True or false: a battery cell is not needed for the fizzy balloon. (a) True (b) False
10. 10.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
11. 11.🧺 Do we need a tray for spills for the fizzy balloon? (a) needed (b) not needed
12. 12.True or false: soap solution is an acid. (a) True (b) False
13. 13.🔮 Predict: you use plain water instead of vinegar. What happens? (a) the balloon bursts (b) a huge eruption (c) very little fizzing (d) it turns to honey
14. 14.True or false: sugar is needed for the fizzy balloon. (a) True (b) False
15. 15.🫧 Is lemon juice an acid, a base or neutral? (a) a base (b) neutral (c) an acid
16. 16.⚖️ 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
17. 17.True or false: sugar water is a base. (a) True (b) False
18. 18.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we measure it (b) we change it (c) we keep it the same
19. 19.📘 Is the fizzing a sign that a new substance is made? (a) it is only melting (b) no, nothing changes (c) yes, a new gas forms (d) it is only dissolving
20. 20.True or false: a mirror is needed for the fizzy balloon. (a) True (b) False
21. 21.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) size of the balloon (b) the amount of vinegar (c) spoons of baking soda
22. 22.🧺 Do we need a balloon for the fizzy balloon? (a) needed (b) not needed
23. 23.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) a funnel or spoon (c) a battery cell (d) vinegar
24. 24.🧺 Do we need sugar for the fizzy balloon? (a) not needed (b) needed
25. 25.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a mirror (c) an empty bottle (d) a magnet
26. 26.🧺 Do we need a seed for the fizzy balloon? (a) needed (b) not needed
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 is the odd one out? (a) detergent water (b) soap solution (c) baking soda water (d) tamarind water
29. 29.True or false: a tray for spills is not needed for the fizzy balloon. (a) True (b) False
30. 30.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) seal it in a glass jar (c) shake it near your face (d) keep it away from eyes
31. 31.🔍 Which is the odd one out? (a) lemon juice (b) orange juice (c) detergent water (d) tamarind water
32. 32.True or false: plain water is an acid. (a) False (b) True
33. 33.🫧 What do you see when baking soda meets vinegar? (a) it turns to ice (b) nothing at all (c) lots of fizzy bubbles (d) it glows in the dark
34. 34.🔍 Which is the odd one out? (a) lemon juice (b) plain water (c) tamarind water (d) curd
35. 35.⚖️ 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) the same bottle (c) the amount of vinegar (d) spoons of baking soda
36. 36.⚖️ 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 measure it (c) we keep it the same
37. 37.⚖️ 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) False (b) True
38. 38.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) helium (c) hydrogen (d) carbon dioxide
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: a seed is not needed for the fizzy balloon. (a) True (b) False

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