Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 409 · 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.🫧 Which of these is an acid? (a) lemon juice (b) sugar water (c) soap solution (d) salt water
2. 2.True or false: a battery cell is not needed for the fizzy balloon. (a) True (b) False
3. 3.🔍 Which is the odd one out? (a) detergent water (b) salt water (c) plain water (d) sugar water
4. 4.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the same bottle (b) spoons of baking soda (c) size of the balloon (d) the amount of vinegar
5. 5.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) an empty bottle (c) a tray for spills (d) sugar
6. 6.🫧 Is baking soda water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
7. 7.True or false: a mirror 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 “size of the balloon”? (a) we measure it (b) we change it (c) we keep it the same
9. 9.🫧 Which of these is an acid? (a) sugar water (b) salt water (c) soap solution (d) vinegar
10. 10.⚖️ 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 measure it (c) we keep it the same
11. 11.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a balloon (c) a comb (d) baking soda
12. 12.True or false: tamarind water is neutral. (a) True (b) False
13. 13.🧺 Do we need a seed for the fizzy balloon? (a) needed (b) not needed
14. 14.📘 Is the fizzing a sign that a new substance is made? (a) it is only dissolving (b) yes, a new gas forms (c) no, nothing changes (d) it is only melting
15. 15.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) keep it away from eyes (c) shake it near your face (d) seal it in a glass jar
16. 16.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is kept the same. (a) True (b) False
17. 17.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
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 keep it the same (c) we measure it
19. 19.🔍 Which is the odd one out? (a) orange juice (b) baking soda water (c) detergent water (d) soap solution
20. 20.🧺 Do we need a balloon for the fizzy balloon? (a) needed (b) not needed
21. 21.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) size of the balloon (b) spoons of baking soda (c) the same bottle (d) the kind of balloon
22. 22.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they float apart (b) they react (c) they become magnets (d) they freeze
23. 23.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a battery cell (c) an empty bottle (d) a magnet
24. 24.True or false: orange juice is neutral. (a) True (b) False
25. 25.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a balloon (c) a funnel or spoon (d) a battery cell
26. 26.🫧 Which of these is neutral? (a) soap solution (b) salt water (c) detergent water (d) lemon juice
27. 27.True or false: a balloon is needed for the fizzy balloon. (a) False (b) True
28. 28.True or false: a battery cell is needed for the fizzy balloon. (a) False (b) True
29. 29.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
30. 30.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it turns blue (b) it shrinks (c) there is no change (d) it grows bigger
31. 31.⚖️ 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
32. 32.True or false: soap solution is neutral. (a) False (b) True
33. 33.True or false: vinegar is not needed for the fizzy balloon. (a) True (b) False
34. 34.True or false: tamarind water is a base. (a) False (b) True
35. 35.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) helium (b) carbon dioxide (c) oxygen (d) hydrogen
36. 36.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is what we measure. (a) False (b) True
37. 37.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is kept the same. (a) False (b) True
38. 38.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) add baking soda (c) rub it hard (d) rinse with clean water
39. 39.🧺 Do we need vinegar for the fizzy balloon? (a) needed (b) not needed
40. 40.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is what we measure. (a) False (b) True

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