Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 584 · 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? Which of these is what we measure? (a) spoons of baking soda (b) the amount of vinegar (c) size of the balloon (d) the kind of balloon
2. 2.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) it glows in the dark (c) it turns to ice (d) lots of fizzy bubbles
3. 3.🧺 Do we need a balloon for the fizzy balloon? (a) needed (b) not needed
4. 4.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) put it in your mouth (c) seal it in a glass jar (d) keep it away from eyes
5. 5.True or false: vinegar is a base. (a) False (b) True
6. 6.True or false: a mirror is needed for the fizzy balloon. (a) False (b) True
7. 7.🧺 Do we need a battery cell for the fizzy balloon? (a) needed (b) not needed
8. 8.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) very little fizzing (c) it turns to honey (d) the balloon bursts
9. 9.🧺 Do we need a comb for the fizzy balloon? (a) not needed (b) needed
10. 10.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) hydrogen (b) helium (c) oxygen (d) carbon dioxide
11. 11.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a battery cell (c) a funnel or spoon (d) a tray for spills
12. 12.⚖️ 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 keep it the same (c) we change it
13. 13.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a funnel or spoon (c) baking soda (d) a seed
14. 14.True or false: a battery cell is needed for the fizzy balloon. (a) True (b) False
15. 15.⚖️ 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
16. 16.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is the one thing we change. (a) True (b) False
17. 17.True or false: a tray for spills is needed for the fizzy balloon. (a) True (b) False
18. 18.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) there is no change (c) it grows bigger (d) it turns blue
19. 19.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a tray for spills (c) a mirror (d) a balloon
20. 20.True or false: vinegar is neutral. (a) True (b) False
21. 21.🔍 Which is the odd one out? (a) curd (b) salt water (c) tamarind water (d) lemon juice
22. 22.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) add baking soda (c) rub it hard (d) rinse with clean water
23. 23.🔍 Which is the odd one out? (a) detergent water (b) soap solution (c) baking soda water (d) plain water
24. 24.⚖️ 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
25. 25.🫧 Which of these is a base? (a) sugar water (b) detergent water (c) vinegar (d) orange juice
26. 26.⚖️ 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) False (b) True
27. 27.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a magnet (c) a tray for spills (d) a mirror
28. 28.True or false: a seed is needed for the fizzy balloon. (a) False (b) True
29. 29.🫧 Is vinegar an acid, a base or neutral? (a) an acid (b) a base (c) neutral
30. 30.🫧 Is plain water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
31. 31.⚖️ 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
32. 32.⚖️ 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
33. 33.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they float apart (b) they freeze (c) they become magnets (d) they react
34. 34.⚖️ 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 kind of balloon
35. 35.⚖️ 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
36. 36.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) an ingredient ran out (c) the balloon got cold (d) the gas froze
37. 37.⚖️ 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
38. 38.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a magnet (b) a balloon (c) baking soda (d) vinegar
39. 39.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
40. 40.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) vinegar (c) a seed (d) a battery cell

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