Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 190 · 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 more vinegar and more baking soda. What happens to the balloon? (a) there is no change (b) it shrinks (c) it turns blue (d) it grows bigger
2. 2.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) sugar (b) vinegar (c) a funnel or spoon (d) baking soda
3. 3.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is kept the same. (a) True (b) False
4. 4.⚖️ 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) size of the balloon (d) the same bottle
5. 5.🧺 Do we need a balloon for the fizzy balloon? (a) needed (b) not needed
6. 6.🫧 Is salt water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
7. 7.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) carbon dioxide (b) hydrogen (c) oxygen (d) helium
8. 8.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) seal it in a glass jar (c) put it in your mouth (d) keep it away from eyes
9. 9.True or false: orange juice is neutral. (a) True (b) False
10. 10.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) rinse with clean water (c) rub it hard (d) add baking soda
11. 11.True or false: a mirror is not needed for the fizzy balloon. (a) False (b) True
12. 12.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) baking soda (c) vinegar (d) a magnet
13. 13.🫧 Is plain water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
14. 14.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a battery cell (c) a tray for spills (d) baking soda
15. 15.True or false: baking soda is needed for the fizzy balloon. (a) True (b) False
16. 16.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) a huge eruption (c) very little fizzing (d) the balloon bursts
17. 17.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is the one thing we change. (a) False (b) True
18. 18.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a mirror (b) a balloon (c) a tray for spills (d) vinegar
19. 19.🫧 Which of these is neutral? (a) soap solution (b) lemon juice (c) vinegar (d) sugar water
20. 20.True or false: salt water is neutral. (a) True (b) False
21. 21.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they react (b) they become magnets (c) they freeze (d) they float apart
22. 22.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the amount of vinegar (b) size of the balloon (c) the same bottle (d) the kind of balloon
23. 23.True or false: a comb is not needed for the fizzy balloon. (a) False (b) True
24. 24.🧺 Do we need a tray for spills for the fizzy balloon? (a) needed (b) not needed
25. 25.🫧 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
26. 26.🔍 Which is the odd one out? (a) soap solution (b) baking soda water (c) detergent water (d) plain water
27. 27.True or false: baking soda water is a base. (a) False (b) True
28. 28.🔍 Which is the odd one out? (a) baking soda water (b) soap solution (c) tamarind water (d) detergent water
29. 29.True or false: a battery cell is not needed for the fizzy balloon. (a) False (b) True
30. 30.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is kept the same. (a) True (b) False
31. 31.🧺 Which of these is not needed for the fizzy balloon? (a) a mirror (b) vinegar (c) baking soda (d) a funnel or spoon
32. 32.🎈 Why does the balloon blow up? (a) gas is made inside (b) vinegar is hot (c) outside air gets in (d) the bottle shrinks
33. 33.🫧 Which of these is an acid? (a) soap solution (b) baking soda water (c) vinegar (d) sugar water
34. 34.🫧 Which of these is neutral? (a) salt water (b) soap solution (c) baking soda water (d) orange juice
35. 35.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
36. 36.True or false: orange juice is an acid. (a) False (b) True
37. 37.🫧 Which of these is a base? (a) detergent water (b) salt water (c) lemon juice (d) plain water
38. 38.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) vinegar (c) a battery cell (d) a balloon
39. 39.⚖️ 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
40. 40.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed

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