Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 972 · 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 safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) shake it near your face (c) keep it away from eyes (d) put it in your mouth
2. 2.⚖️ 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 same bottle (c) spoons of baking soda (d) size of the balloon
3. 3.⚖️ 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
4. 4.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is the one thing we change. (a) True (b) False
5. 5.True or false: detergent water is an acid. (a) True (b) False
6. 6.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) there is no change (b) it turns blue (c) it grows bigger (d) it shrinks
7. 7.🔍 Which is the odd one out? (a) vinegar (b) tamarind water (c) orange juice (d) sugar water
8. 8.🫧 Which of these is neutral? (a) salt water (b) lemon juice (c) tamarind water (d) soap solution
9. 9.True or false: vinegar is an acid. (a) False (b) True
10. 10.🫧 Is salt water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
11. 11.🧺 Which of these is needed for the fizzy balloon? (a) a tray for spills (b) a seed (c) a mirror (d) a comb
12. 12.True or false: a funnel or spoon is needed for the fizzy balloon. (a) False (b) True
13. 13.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) a battery cell (c) a funnel or spoon (d) an empty bottle
14. 14.⚖️ 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
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) True (b) False
16. 16.🔮 The fizzing stops after a while. Why? (a) an ingredient ran out (b) the gas froze (c) the bottle got tired (d) the balloon got cold
17. 17.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) an empty bottle (c) a funnel or spoon (d) a mirror
18. 18.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) hydrogen (b) helium (c) carbon dioxide (d) oxygen
19. 19.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
20. 20.🫧 Which of these is neutral? (a) tamarind water (b) curd (c) plain water (d) orange juice
21. 21.⚖️ 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) True (b) False
22. 22.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
23. 23.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
24. 24.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we measure it (b) we keep it the same (c) we change it
25. 25.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) it turns to ice (c) it glows in the dark (d) lots of fizzy bubbles
26. 26.🔍 Which is the odd one out? (a) salt water (b) orange juice (c) curd (d) tamarind water
27. 27.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) baking soda (c) a tray for spills (d) sugar
28. 28.🧺 Which of these is needed for the fizzy balloon? (a) baking soda (b) a seed (c) sugar (d) a comb
29. 29.🧺 Do we need a magnet for the fizzy balloon? (a) needed (b) not needed
30. 30.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the kind of balloon (b) spoons of baking soda (c) size of the balloon
31. 31.🔍 Which is the odd one out? (a) tamarind water (b) plain water (c) vinegar (d) orange juice
32. 32.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a battery cell (c) an empty bottle (d) vinegar
33. 33.🎈 Why does the balloon blow up? (a) outside air gets in (b) gas is made inside (c) the bottle shrinks (d) vinegar is hot
34. 34.⚖️ 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
35. 35.📘 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 freeze (d) they react
36. 36.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is what we measure. (a) True (b) False
37. 37.🛟 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
38. 38.True or false: a battery cell is not needed for the fizzy balloon. (a) False (b) True
39. 39.True or false: a magnet is not needed for the fizzy balloon. (a) False (b) True
40. 40.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we keep it the same (b) we change it (c) we measure it

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