Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 434 · 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.🫧 Is soap solution an acid, a base or neutral? (a) neutral (b) an acid (c) a base
2. 2.🛟 Which safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) put it in your mouth (c) shake it near your face (d) seal it in a glass jar
3. 3.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a comb (c) a tray for spills (d) baking soda
4. 4.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) an empty bottle (c) a balloon (d) a battery cell
5. 5.⚖️ 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
6. 6.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) spoons of baking soda (b) size of the balloon (c) the same bottle
7. 7.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a battery cell (c) an empty bottle (d) a tray for spills
8. 8.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we keep it the same (b) we measure it (c) we change it
9. 9.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a seed (c) a battery cell (d) vinegar
10. 10.🧺 Do we need a tray for spills for the fizzy balloon? (a) needed (b) not needed
11. 11.🔍 Which is the odd one out? (a) orange juice (b) lemon juice (c) baking soda water (d) vinegar
12. 12.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a seed (c) a tray for spills (d) sugar
13. 13.True or false: an empty bottle is needed for the fizzy balloon. (a) True (b) False
14. 14.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the kind of balloon (b) spoons of baking soda (c) the same bottle (d) the amount of vinegar
15. 15.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) ignore it (c) rinse with clean water (d) rub it hard
16. 16.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a magnet (c) baking soda (d) a comb
17. 17.🫧 Which of these is neutral? (a) salt water (b) orange juice (c) lemon juice (d) vinegar
18. 18.⚖️ 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
19. 19.🔮 The fizzing stops after a while. Why? (a) the gas froze (b) an ingredient ran out (c) the balloon got cold (d) the bottle got tired
20. 20.🫧 Is salt water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
21. 21.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) the balloon bursts (c) it turns to honey (d) very little fizzing
22. 22.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) it turns blue (c) it grows bigger (d) there is no change
23. 23.True or false: a seed is needed for the fizzy balloon. (a) True (b) False
24. 24.📘 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
25. 25.🫧 Is baking soda water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
26. 26.⚖️ 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
27. 27.🔍 Which is the odd one out? (a) plain water (b) orange juice (c) lemon juice (d) vinegar
28. 28.True or false: a comb is needed for the fizzy balloon. (a) False (b) True
29. 29.True or false: lemon juice is an acid. (a) True (b) False
30. 30.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the kind of balloon (b) the same bottle (c) size of the balloon (d) the amount of vinegar
31. 31.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we measure it (b) we change it (c) we keep it the same
32. 32.True or false: vinegar is a base. (a) True (b) False
33. 33.🔍 Which is the odd one out? (a) soap solution (b) salt water (c) detergent water (d) baking soda water
34. 34.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a balloon (c) baking soda (d) a seed
35. 35.🫧 What do you see when baking soda meets vinegar? (a) it glows in the dark (b) it turns to ice (c) nothing at all (d) lots of fizzy bubbles
36. 36.🔍 Which is the odd one out? (a) tamarind water (b) soap solution (c) orange juice (d) curd
37. 37.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they become magnets (b) they react (c) they float apart (d) they freeze
38. 38.True or false: vinegar is needed for the fizzy balloon. (a) False (b) True
39. 39.🫧 Which of these is neutral? (a) plain water (b) lemon juice (c) detergent water (d) soap solution
40. 40.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a mirror (c) baking soda (d) an empty bottle

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