Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 169 · 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.🧺 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 balloon (d) a mirror
2. 2.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a mirror (c) a funnel or spoon (d) baking soda
3. 3.🧺 Do we need a seed for the fizzy balloon? (a) not needed (b) needed
4. 4.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we change it (b) we keep it the same (c) we measure it
5. 5.True or false: plain water is neutral. (a) False (b) True
6. 6.⚖️ 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
7. 7.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) put it in your mouth (c) seal it in a glass jar (d) keep it away from eyes
8. 8.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) sugar (b) vinegar (c) baking soda (d) a tray for spills
9. 9.🫧 Which of these is a base? (a) plain water (b) salt water (c) tamarind water (d) baking soda water
10. 10.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they become magnets (b) they float apart (c) they react (d) they freeze
11. 11.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is what we measure. (a) True (b) False
12. 12.🔍 Which is the odd one out? (a) sugar water (b) salt water (c) plain water (d) detergent water
13. 13.⚖️ 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) False (b) True
14. 14.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
15. 15.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is kept the same. (a) False (b) True
16. 16.🔍 Which is the odd one out? (a) plain water (b) sugar water (c) orange juice (d) salt water
17. 17.🫧 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
18. 18.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we change it (b) we measure it (c) we keep it the same
19. 19.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is kept the same. (a) True (b) False
20. 20.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a battery cell (c) a tray for spills (d) vinegar
21. 21.🫧 Is vinegar an acid, a base or neutral? (a) a base (b) neutral (c) an acid
22. 22.⚖️ 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 change it (c) we keep it the same
23. 23.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a mirror (c) a magnet (d) a balloon
24. 24.📘 Is the fizzing a sign that a new substance is made? (a) yes, a new gas forms (b) it is only melting (c) it is only dissolving (d) no, nothing changes
25. 25.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is the one thing we change. (a) True (b) False
26. 26.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) it grows bigger (c) it turns blue (d) there is no change
27. 27.True or false: orange juice is a base. (a) True (b) False
28. 28.🔍 Which is the odd one out? (a) detergent water (b) plain water (c) soap solution (d) baking soda water
29. 29.True or false: curd is an acid. (a) True (b) False
30. 30.🎈 Why does the balloon blow up? (a) outside air gets in (b) the bottle shrinks (c) gas is made inside (d) vinegar is hot
31. 31.🫧 Is salt water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
32. 32.True or false: a mirror is needed for the fizzy balloon. (a) False (b) True
33. 33.True or false: a magnet is not needed for the fizzy balloon. (a) False (b) True
34. 34.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a magnet (b) an empty bottle (c) vinegar (d) baking soda
35. 35.True or false: baking soda is needed for the fizzy balloon. (a) False (b) True
36. 36.🔍 Which is the odd one out? (a) sugar water (b) soap solution (c) salt water (d) plain water
37. 37.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) needed (b) not needed
38. 38.🔮 Predict: you use plain water instead of vinegar. What happens? (a) very little fizzing (b) the balloon bursts (c) it turns to honey (d) a huge eruption
39. 39.🫧 Is lemon juice an acid, a base or neutral? (a) neutral (b) an acid (c) a base
40. 40.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the amount of vinegar (b) the kind of balloon (c) size of the balloon (d) spoons of baking soda

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