Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 669 · 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.🫧 What do you see when baking soda meets vinegar? (a) it turns to ice (b) nothing at all (c) it glows in the dark (d) lots of fizzy bubbles
2. 2.⚖️ 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
3. 3.🫧 Which of these is a base? (a) sugar water (b) lemon juice (c) curd (d) detergent water
4. 4.True or false: curd is neutral. (a) True (b) False
5. 5.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a seed (b) a funnel or spoon (c) vinegar (d) a tray for spills
6. 6.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) sugar (b) vinegar (c) a funnel or spoon (d) baking soda
7. 7.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a tray for spills (c) an empty bottle (d) a magnet
8. 8.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) vinegar (c) a magnet (d) baking soda
9. 9.True or false: soap solution is an acid. (a) False (b) True
10. 10.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they become magnets (b) they react (c) they freeze (d) they float apart
11. 11.True or false: tamarind water is neutral. (a) False (b) True
12. 12.⚖️ 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
13. 13.⚖️ 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
14. 14.⚖️ 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
15. 15.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a battery cell (c) sugar (d) vinegar
16. 16.True or false: a balloon is not needed for the fizzy balloon. (a) True (b) False
17. 17.True or false: vinegar is needed for the fizzy balloon. (a) False (b) True
18. 18.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) helium (b) carbon dioxide (c) oxygen (d) hydrogen
19. 19.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) a funnel or spoon (c) a seed (d) a tray for spills
20. 20.True or false: salt water is neutral. (a) True (b) False
21. 21.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
22. 22.🫧 Which of these is an acid? (a) tamarind water (b) salt water (c) sugar water (d) soap solution
23. 23.⚖️ 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
24. 24.🫧 Is curd an acid, a base or neutral? (a) a base (b) neutral (c) an acid
25. 25.🔮 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
26. 26.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) add baking soda (c) rinse with clean water (d) rub it hard
27. 27.⚖️ 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) False (b) True
28. 28.True or false: curd is a base. (a) True (b) False
29. 29.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) shake it near your face (c) put it in your mouth (d) keep it away from eyes
30. 30.🫧 Which of these is an acid? (a) detergent water (b) soap solution (c) vinegar (d) plain water
31. 31.True or false: a tray for spills is needed for the fizzy balloon. (a) False (b) True
32. 32.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) an empty bottle (c) a funnel or spoon (d) a comb
33. 33.🔍 Which is the odd one out? (a) baking soda water (b) detergent water (c) lemon juice (d) soap solution
34. 34.📘 Is the fizzing a sign that a new substance is made? (a) it is only dissolving (b) no, nothing changes (c) yes, a new gas forms (d) it is only melting
35. 35.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a battery cell (c) a funnel or spoon (d) a tray for spills
36. 36.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is kept the same. (a) False (b) True
37. 37.True or false: baking soda is needed for the fizzy balloon. (a) True (b) False
38. 38.⚖️ 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) the kind of balloon
39. 39.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) needed (b) not needed
40. 40.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed

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