Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 449 · 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.🎈 Why does the balloon blow up? (a) outside air gets in (b) the bottle shrinks (c) gas is made inside (d) vinegar is hot
2. 2.⚖️ 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
3. 3.🫧 Is orange juice an acid, a base or neutral? (a) an acid (b) neutral (c) a base
4. 4.🔍 Which is the odd one out? (a) baking soda water (b) soap solution (c) sugar water (d) detergent water
5. 5.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a seed (b) baking soda (c) vinegar (d) a balloon
6. 6.True or false: a mirror is not needed for the fizzy balloon. (a) True (b) False
7. 7.True or false: soap solution is neutral. (a) True (b) False
8. 8.🧺 Do we need a tray for spills for the fizzy balloon? (a) needed (b) not needed
9. 9.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we change it (b) we keep it the same (c) we measure it
10. 10.True or false: orange juice is neutral. (a) False (b) True
11. 11.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they freeze (b) they become magnets (c) they react (d) they float apart
12. 12.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) vinegar (c) a tray for spills (d) a comb
13. 13.🔍 Which is the odd one out? (a) sugar water (b) salt water (c) plain water (d) lemon juice
14. 14.True or false: a seed is not needed for the fizzy balloon. (a) False (b) True
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) False (b) True
16. 16.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) ignore it (c) rinse with clean water (d) add baking soda
17. 17.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) lots of fizzy bubbles (c) it glows in the dark (d) it turns to ice
18. 18.🔮 Predict: you use plain water instead of vinegar. What happens? (a) the balloon bursts (b) very little fizzing (c) a huge eruption (d) it turns to honey
19. 19.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) there is no change (b) it turns blue (c) it shrinks (d) it grows bigger
20. 20.🧺 Do we need vinegar for the fizzy balloon? (a) needed (b) not needed
21. 21.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) an empty bottle (c) a mirror (d) a balloon
22. 22.🫧 Is baking soda water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
23. 23.🧺 Do we need a mirror for the fizzy balloon? (a) needed (b) not needed
24. 24.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a comb (c) baking soda (d) a balloon
25. 25.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the same bottle (b) spoons of baking soda (c) size of the balloon
26. 26.True or false: sugar is needed for the fizzy balloon. (a) True (b) False
27. 27.True or false: an empty bottle is needed for the fizzy balloon. (a) False (b) True
28. 28.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the amount of vinegar (b) the same bottle (c) size of the balloon (d) spoons of baking soda
29. 29.🫧 Is sugar water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
30. 30.🫧 Which of these is an acid? (a) vinegar (b) baking soda water (c) detergent water (d) soap solution
31. 31.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) baking soda (c) a funnel or spoon (d) a magnet
32. 32.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is kept the same. (a) True (b) False
33. 33.🫧 Which of these is a base? (a) sugar water (b) baking soda water (c) orange juice (d) vinegar
34. 34.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) carbon dioxide (b) oxygen (c) helium (d) hydrogen
35. 35.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) a balloon (c) a battery cell (d) vinegar
36. 36.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) sugar (c) a comb (d) vinegar
37. 37.True or false: detergent water is neutral. (a) True (b) False
38. 38.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) an empty bottle (c) a tray for spills (d) a magnet
39. 39.🧺 Which of these is not needed for the fizzy balloon? (a) a seed (b) a tray for spills (c) an empty bottle (d) a funnel or spoon
40. 40.🧺 Which of these is not needed for the fizzy balloon? (a) a mirror (b) a tray for spills (c) vinegar (d) a funnel or spoon

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