Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 787 · 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.🔮 Predict: you use plain water instead of vinegar. What happens? (a) very little fizzing (b) a huge eruption (c) the balloon bursts (d) it turns to honey
2. 2.True or false: an empty bottle is not needed for the fizzy balloon. (a) False (b) True
3. 3.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the same bottle (b) the amount of vinegar (c) size of the balloon (d) spoons of baking soda
4. 4.🔍 Which is the odd one out? (a) soap solution (b) sugar water (c) plain water (d) salt water
5. 5.🛟 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
6. 6.True or false: a balloon is needed for the fizzy balloon. (a) False (b) True
7. 7.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we measure it (b) we change it (c) we keep it the same
8. 8.🫧 Is soap solution an acid, a base or neutral? (a) neutral (b) an acid (c) a base
9. 9.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
10. 10.True or false: a battery cell is needed for the fizzy balloon. (a) True (b) False
11. 11.True or false: plain water is neutral. (a) True (b) False
12. 12.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
13. 13.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is what we measure. (a) True (b) False
14. 14.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
15. 15.📘 Is the fizzing a sign that a new substance is made? (a) it is only dissolving (b) it is only melting (c) yes, a new gas forms (d) no, nothing changes
16. 16.🔮 The fizzing stops after a while. Why? (a) the gas froze (b) the bottle got tired (c) an ingredient ran out (d) the balloon got cold
17. 17.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a magnet (c) vinegar (d) a funnel or spoon
18. 18.🫧 Is orange juice an acid, a base or neutral? (a) a base (b) an acid (c) neutral
19. 19.True or false: vinegar is neutral. (a) True (b) False
20. 20.🫧 What do you see when baking soda meets vinegar? (a) it turns to ice (b) it glows in the dark (c) lots of fizzy bubbles (d) nothing at all
21. 21.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) keep it away from eyes (c) seal it in a glass jar (d) put it in your mouth
22. 22.🫧 Which of these is neutral? (a) sugar water (b) vinegar (c) tamarind water (d) lemon juice
23. 23.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a battery cell (c) a magnet (d) a balloon
24. 24.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a mirror (c) a tray for spills (d) a comb
25. 25.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) size of the balloon (b) spoons of baking soda (c) the same bottle
26. 26.🧺 Do we need a comb for the fizzy balloon? (a) not needed (b) needed
27. 27.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they react (b) they become magnets (c) they float apart (d) they freeze
28. 28.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a funnel or spoon (c) an empty bottle (d) sugar
29. 29.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is what we measure. (a) False (b) True
30. 30.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) vinegar (c) a funnel or spoon (d) a seed
31. 31.⚖️ 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) the amount of vinegar (c) the same bottle (d) the kind of balloon
32. 32.⚖️ 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
33. 33.🫧 Which of these is an acid? (a) sugar water (b) soap solution (c) orange juice (d) salt water
34. 34.🧺 Do we need a tray for spills for the fizzy balloon? (a) needed (b) not needed
35. 35.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a mirror (c) baking soda (d) a tray for spills
36. 36.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a funnel or spoon (c) a comb (d) a battery cell
37. 37.🫧 Is plain water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
38. 38.🧺 Do we need a balloon for the fizzy balloon? (a) needed (b) not needed
39. 39.🫧 Which of these is a base? (a) vinegar (b) detergent water (c) tamarind water (d) sugar water
40. 40.🔍 Which is the odd one out? (a) soap solution (b) detergent water (c) orange juice (d) baking soda water

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