Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 798 · 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 balloon (b) a funnel or spoon (c) vinegar (d) a comb
2. 2.🧺 Do we need a battery cell for the fizzy balloon? (a) needed (b) not needed
3. 3.⚖️ 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
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) the kind of balloon (d) the same bottle
5. 5.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) ignore it (c) rinse with clean water (d) rub it hard
6. 6.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
7. 7.🫧 Which of these is an acid? (a) soap solution (b) plain water (c) vinegar (d) baking soda water
8. 8.🧺 Do we need sugar for the fizzy balloon? (a) not needed (b) needed
9. 9.🫧 Is plain water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
10. 10.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) there is no change (c) it turns blue (d) it grows bigger
11. 11.🧺 Do we need a balloon for the fizzy balloon? (a) needed (b) not needed
12. 12.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) vinegar (c) a magnet (d) a balloon
13. 13.True or false: vinegar is neutral. (a) False (b) True
14. 14.🔍 Which is the odd one out? (a) plain water (b) salt water (c) sugar water (d) detergent water
15. 15.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a comb (c) a mirror (d) a tray for spills
16. 16.🔮 Predict: you use plain water instead of vinegar. What happens? (a) very little fizzing (b) it turns to honey (c) the balloon bursts (d) a huge eruption
17. 17.True or false: a seed is not needed for the fizzy balloon. (a) False (b) True
18. 18.🧺 Do we need a mirror for the fizzy balloon? (a) needed (b) not needed
19. 19.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is what we measure. (a) True (b) False
20. 20.⚖️ 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 kind of balloon (c) the amount of vinegar (d) size of the balloon
21. 21.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) put it in your mouth (c) keep it away from eyes (d) shake it near your face
22. 22.🫧 Which of these is neutral? (a) baking soda water (b) orange juice (c) lemon juice (d) sugar water
23. 23.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) vinegar (c) a seed (d) a comb
24. 24.🫧 Is orange juice an acid, a base or neutral? (a) neutral (b) an acid (c) a base
25. 25.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) carbon dioxide (b) hydrogen (c) helium (d) oxygen
26. 26.⚖️ 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
27. 27.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is kept the same. (a) False (b) True
28. 28.📘 Is the fizzing a sign that a new substance is made? (a) no, nothing changes (b) it is only melting (c) yes, a new gas forms (d) it is only dissolving
29. 29.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a tray for spills (c) vinegar (d) a mirror
30. 30.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) size of the balloon (b) the amount of vinegar (c) spoons of baking soda
31. 31.True or false: a battery cell is needed for the fizzy balloon. (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 the one thing we change. (a) False (b) True
33. 33.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is kept the same. (a) False (b) True
34. 34.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) baking soda (c) a seed (d) a mirror
35. 35.🔮 The fizzing stops after a while. Why? (a) the gas froze (b) the bottle got tired (c) the balloon got cold (d) an ingredient ran out
36. 36.🫧 Is lemon juice an acid, a base or neutral? (a) a base (b) neutral (c) an acid
37. 37.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a funnel or spoon (c) sugar (d) a balloon
38. 38.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) lots of fizzy bubbles (c) it turns to ice (d) it glows in the dark
39. 39.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
40. 40.True or false: detergent water is an acid. (a) False (b) True

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