Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 579 · 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.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is kept the same. (a) False (b) True
2. 2.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) keep it away from eyes (c) put it in your mouth (d) seal it in a glass jar
3. 3.📘 Is the fizzing a sign that a new substance is made? (a) yes, a new gas forms (b) no, nothing changes (c) it is only dissolving (d) it is only melting
4. 4.🧺 Which of these is not needed for the fizzy balloon? (a) a battery cell (b) a balloon (c) a tray for spills (d) an empty bottle
5. 5.🫧 Is plain water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
6. 6.🫧 Which of these is neutral? (a) orange juice (b) lemon juice (c) salt water (d) curd
7. 7.🫧 Is vinegar an acid, a base or neutral? (a) an acid (b) a base (c) neutral
8. 8.True or false: baking soda is needed for the fizzy balloon. (a) False (b) True
9. 9.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
10. 10.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) a huge eruption (c) the balloon bursts (d) very little fizzing
11. 11.🫧 Is detergent water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
12. 12.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) size of the balloon (b) the kind of balloon (c) the amount of vinegar (d) spoons of baking soda
13. 13.⚖️ 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
14. 14.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we keep it the same (b) we measure it (c) we change it
15. 15.True or false: plain water is neutral. (a) False (b) True
16. 16.🫧 Which of these is neutral? (a) vinegar (b) plain water (c) detergent water (d) lemon juice
17. 17.⚖️ 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
18. 18.🔮 The fizzing stops after a while. Why? (a) the balloon got cold (b) an ingredient ran out (c) the gas froze (d) the bottle got tired
19. 19.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) rinse with clean water (c) add baking soda (d) rub it hard
20. 20.🫧 Is lemon juice an acid, a base or neutral? (a) an acid (b) a base (c) neutral
21. 21.📘 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
22. 22.True or false: a magnet is needed for the fizzy balloon. (a) True (b) False
23. 23.🫧 Which of these is a base? (a) sugar water (b) soap solution (c) tamarind water (d) orange juice
24. 24.True or false: a tray for spills is needed for the fizzy balloon. (a) True (b) False
25. 25.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) spoons of baking soda (b) size of the balloon (c) the same bottle (d) the kind of balloon
26. 26.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) vinegar (c) a comb (d) a funnel or spoon
27. 27.⚖️ 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
28. 28.🧺 Do we need a battery cell for the fizzy balloon? (a) not needed (b) needed
29. 29.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) vinegar (c) sugar (d) baking soda
30. 30.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) vinegar (c) baking soda (d) a mirror
31. 31.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a magnet (b) baking soda (c) vinegar (d) a balloon
32. 32.🫧 What do you see when baking soda meets vinegar? (a) it turns to ice (b) nothing at all (c) lots of fizzy bubbles (d) it glows in the dark
33. 33.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) baking soda (c) a mirror (d) a balloon
34. 34.🧺 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 seed (d) a balloon
35. 35.⚖️ 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
36. 36.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we measure it (b) we change it (c) we keep it the same
37. 37.🎈 Why does the balloon blow up? (a) outside air gets in (b) vinegar is hot (c) the bottle shrinks (d) gas is made inside
38. 38.🫧 Which of these is an acid? (a) sugar water (b) soap solution (c) tamarind water (d) detergent water
39. 39.True or false: vinegar is an acid. (a) True (b) False
40. 40.🫧 Is tamarind water an acid, a base or neutral? (a) an acid (b) neutral (c) a base

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