Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 417 · 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? True or false: the same bottle is the one thing we change. (a) True (b) False
2. 2.🔮 The fizzing stops after a while. Why? (a) an ingredient ran out (b) the gas froze (c) the bottle got tired (d) the balloon got cold
3. 3.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a magnet (c) baking soda (d) an empty bottle
4. 4.⚖️ 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
5. 5.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they react (b) they freeze (c) they float apart (d) they become magnets
6. 6.🫧 Is salt water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
7. 7.🛟 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
8. 8.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) an empty bottle (c) a balloon (d) a magnet
9. 9.⚖️ 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
10. 10.🔮 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
11. 11.True or false: a balloon is needed for the fizzy balloon. (a) True (b) False
12. 12.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) sugar (c) an empty bottle (d) vinegar
13. 13.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) a funnel or spoon (c) vinegar (d) a comb
14. 14.🫧 What do you see when baking soda meets vinegar? (a) lots of fizzy bubbles (b) it glows in the dark (c) it turns to ice (d) nothing at all
15. 15.True or false: a mirror is needed for the fizzy balloon. (a) False (b) True
16. 16.🛟 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
17. 17.⚖️ 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
18. 18.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) False (b) True
19. 19.⚖️ 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) True (b) False
20. 20.🧺 Do we need a magnet for the fizzy balloon? (a) needed (b) not needed
21. 21.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
22. 22.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
23. 23.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) an empty bottle (c) a funnel or spoon (d) a seed
24. 24.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) it turns blue (c) it grows bigger (d) there is no change
25. 25.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the amount of vinegar (b) the same bottle (c) size of the balloon (d) spoons of baking soda
26. 26.True or false: baking soda water is a base. (a) False (b) True
27. 27.⚖️ 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 keep it the same (c) we measure it
28. 28.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) a tray for spills (c) a mirror (d) baking soda
29. 29.🫧 Is lemon juice an acid, a base or neutral? (a) a base (b) neutral (c) an acid
30. 30.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a seed (c) sugar (d) vinegar
31. 31.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) a seed (c) vinegar (d) baking soda
32. 32.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we keep it the same (b) we change it (c) we measure it
33. 33.🧺 Which of these is needed for the fizzy balloon? (a) a tray for spills (b) a comb (c) a seed (d) sugar
34. 34.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a mirror (b) an empty bottle (c) vinegar (d) baking soda
35. 35.True or false: a funnel or spoon is needed for the fizzy balloon. (a) True (b) False
36. 36.🧺 Do we need a battery cell for the fizzy balloon? (a) needed (b) not needed
37. 37.True or false: orange juice is an acid. (a) True (b) False
38. 38.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a comb (b) baking soda (c) a funnel or spoon (d) vinegar
39. 39.⚖️ 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 amount of vinegar
40. 40.⚖️ 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

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