Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 19 · 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.True or false: a magnet is needed for the fizzy balloon. (a) True (b) False
2. 2.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is kept the same. (a) False (b) True
3. 3.🔍 Which is the odd one out? (a) salt water (b) plain water (c) vinegar (d) sugar water
4. 4.True or false: vinegar is an acid. (a) False (b) True
5. 5.🔍 Which is the odd one out? (a) plain water (b) curd (c) sugar water (d) salt water
6. 6.🫧 Is detergent water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
7. 7.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) spoons of baking soda (b) the kind of balloon (c) size of the balloon
8. 8.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is kept the same. (a) True (b) False
9. 9.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a magnet (c) vinegar (d) a comb
10. 10.🫧 Is lemon juice an acid, a base or neutral? (a) an acid (b) a base (c) neutral
11. 11.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a magnet (c) baking soda (d) a battery cell
12. 12.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
13. 13.🛟 Which safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) seal it in a glass jar (c) shake it near your face (d) put it in your mouth
14. 14.🫧 Which of these is an acid? (a) plain water (b) baking soda water (c) sugar water (d) lemon juice
15. 15.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a balloon (c) an empty bottle (d) sugar
16. 16.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a funnel or spoon (c) sugar (d) a mirror
17. 17.True or false: soap solution is an acid. (a) False (b) True
18. 18.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
19. 19.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) rub it hard (c) rinse with clean water (d) ignore it
20. 20.🔍 Which is the odd one out? (a) salt water (b) sugar water (c) plain water (d) tamarind water
21. 21.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) sugar (c) a balloon (d) vinegar
22. 22.🫧 Which of these is neutral? (a) orange juice (b) plain water (c) soap solution (d) baking soda water
23. 23.🔍 Which is the odd one out? (a) lemon juice (b) curd (c) salt water (d) vinegar
24. 24.🔮 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
25. 25.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) baking soda (c) an empty bottle (d) a mirror
26. 26.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
27. 27.True or false: salt water is a base. (a) True (b) False
28. 28.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a tray for spills (c) a seed (d) a balloon
29. 29.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we keep it the same (b) we measure it (c) we change it
30. 30.⚖️ 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
31. 31.🔍 Which is the odd one out? (a) detergent water (b) plain water (c) soap solution (d) baking soda water
32. 32.⚖️ 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
33. 33.⚖️ 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 amount of vinegar (c) size of the balloon (d) the same bottle
34. 34.⚖️ 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 same bottle (c) the kind of balloon (d) size of the balloon
35. 35.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is what we measure. (a) True (b) False
36. 36.🫧 Is vinegar an acid, a base or neutral? (a) a base (b) neutral (c) an acid
37. 37.🫧 What do you see when baking soda meets vinegar? (a) lots of fizzy bubbles (b) it glows in the dark (c) nothing at all (d) it turns to ice
38. 38.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) an empty bottle (c) a comb (d) a balloon
39. 39.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
40. 40.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we keep it the same (b) we change it (c) we measure it

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