Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 290 · 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 should you do if vinegar splashes in your eye? (a) rub it hard (b) ignore it (c) rinse with clean water (d) add baking soda
2. 2.True or false: a comb is not needed for the fizzy balloon. (a) False (b) True
3. 3.🔍 Which is the odd one out? (a) salt water (b) plain water (c) vinegar (d) sugar water
4. 4.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they freeze (b) they float apart (c) they become magnets (d) they react
5. 5.True or false: a seed is needed for the fizzy balloon. (a) True (b) False
6. 6.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) helium (c) hydrogen (d) carbon dioxide
7. 7.🫧 Is detergent water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
8. 8.⚖️ 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
9. 9.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) sugar (b) an empty bottle (c) baking soda (d) vinegar
10. 10.⚖️ 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
11. 11.🔮 The fizzing stops after a while. Why? (a) the gas froze (b) the balloon got cold (c) the bottle got tired (d) an ingredient ran out
12. 12.🔮 Predict: you use plain water instead of vinegar. What happens? (a) very little fizzing (b) it turns to honey (c) a huge eruption (d) the balloon bursts
13. 13.🫧 What do you see when baking soda meets vinegar? (a) it glows in the dark (b) lots of fizzy bubbles (c) nothing at all (d) it turns to ice
14. 14.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
15. 15.⚖️ 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 change it (c) we keep it the same
16. 16.🛟 Which safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) shake it near your face (c) put it in your mouth (d) seal it in a glass jar
17. 17.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a balloon (c) a magnet (d) vinegar
18. 18.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
19. 19.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is what we measure. (a) False (b) True
20. 20.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a comb (c) vinegar (d) sugar
21. 21.🫧 Is salt water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
22. 22.True or false: soap solution is an acid. (a) False (b) True
23. 23.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it turns blue (b) there is no change (c) it shrinks (d) it grows bigger
24. 24.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) vinegar (c) a balloon (d) a comb
25. 25.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
26. 26.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is what we measure. (a) True (b) False
27. 27.🫧 Is vinegar an acid, a base or neutral? (a) neutral (b) a base (c) an acid
28. 28.🫧 Which of these is neutral? (a) baking soda water (b) salt water (c) vinegar (d) tamarind water
29. 29.⚖️ 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 measure it (c) we change it
30. 30.⚖️ 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) spoons of baking soda (c) the same bottle (d) size of the balloon
31. 31.⚖️ 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
32. 32.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) a seed (c) baking soda (d) an empty bottle
33. 33.🔍 Which is the odd one out? (a) plain water (b) lemon juice (c) sugar water (d) salt water
34. 34.⚖️ 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
35. 35.🧺 Do we need a seed for the fizzy balloon? (a) not needed (b) needed
36. 36.🧺 Do we need a tray for spills for the fizzy balloon? (a) needed (b) not needed
37. 37.🫧 Which of these is an acid? (a) lemon juice (b) salt water (c) detergent water (d) sugar water
38. 38.True or false: a battery cell is needed for the fizzy balloon. (a) True (b) False
39. 39.True or false: curd is a base. (a) True (b) False
40. 40.True or false: a tray for spills is needed for the fizzy balloon. (a) True (b) False

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