Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 532 · 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.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a battery cell (c) a tray for spills (d) baking soda
2. 2.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a tray for spills (c) vinegar (d) a comb
3. 3.True or false: a comb is needed for the fizzy balloon. (a) False (b) True
4. 4.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the amount of vinegar (b) spoons of baking soda (c) the same bottle (d) size of the balloon
5. 5.🔮 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 grows bigger (d) it shrinks
6. 6.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is kept the same. (a) True (b) False
7. 7.🫧 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
8. 8.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
9. 9.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we keep it the same (b) we measure it (c) we change it
10. 10.🛟 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
11. 11.⚖️ 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) size of the balloon (d) the same bottle
12. 12.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) vinegar (c) a mirror (d) a tray for spills
13. 13.🔍 Which is the odd one out? (a) salt water (b) plain water (c) baking soda water (d) sugar water
14. 14.True or false: sugar is needed for the fizzy balloon. (a) True (b) False
15. 15.🔍 Which is the odd one out? (a) sugar water (b) salt water (c) soap solution (d) plain water
16. 16.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they become magnets (b) they react (c) they freeze (d) they float apart
17. 17.🫧 Which of these is a base? (a) curd (b) lemon juice (c) baking soda water (d) tamarind water
18. 18.🫧 Which of these is an acid? (a) salt water (b) soap solution (c) lemon juice (d) sugar water
19. 19.🫧 Which of these is a base? (a) orange juice (b) detergent water (c) vinegar (d) curd
20. 20.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
21. 21.True or false: plain water is neutral. (a) True (b) False
22. 22.⚖️ 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 keep it the same (c) we change it
23. 23.True or false: sugar is not needed for the fizzy balloon. (a) True (b) False
24. 24.🫧 Which of these is an acid? (a) sugar water (b) soap solution (c) vinegar (d) detergent water
25. 25.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
26. 26.True or false: an empty bottle is needed for the fizzy balloon. (a) False (b) True
27. 27.🫧 Is soap solution an acid, a base or neutral? (a) neutral (b) an acid (c) a base
28. 28.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the kind of balloon (b) spoons of baking soda (c) size of the balloon
29. 29.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a magnet (b) a funnel or spoon (c) a tray for spills (d) a balloon
30. 30.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a tray for spills (c) sugar (d) baking soda
31. 31.🔮 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
32. 32.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) sugar (c) a mirror (d) a funnel or spoon
33. 33.True or false: vinegar is not needed for the fizzy balloon. (a) False (b) True
34. 34.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
35. 35.True or false: a seed is not needed for the fizzy balloon. (a) False (b) True
36. 36.⚖️ 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
37. 37.True or false: an empty bottle is not needed for the fizzy balloon. (a) False (b) True
38. 38.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) helium (b) hydrogen (c) carbon dioxide (d) oxygen
39. 39.⚖️ 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
40. 40.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we change it (b) we measure it (c) we keep it the same

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