Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 625 · 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 tray for spills (b) a balloon (c) baking soda (d) a comb
2. 2.⚖️ 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) True (b) False
3. 3.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it grows bigger (b) there is no change (c) it shrinks (d) it turns blue
4. 4.🫧 Is curd an acid, a base or neutral? (a) an acid (b) a base (c) neutral
5. 5.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a magnet (c) sugar (d) baking soda
6. 6.⚖️ 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 change it (c) we measure it
7. 7.🫧 Is baking soda water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
8. 8.⚖️ 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) spoons of baking soda (d) size of the balloon
9. 9.True or false: tamarind water is a base. (a) True (b) False
10. 10.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a mirror (b) vinegar (c) baking soda (d) a tray for spills
11. 11.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) shake it near your face (c) keep it away from eyes (d) seal it in a glass jar
12. 12.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is what we measure. (a) True (b) False
13. 13.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
14. 14.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) vinegar (c) a tray for spills (d) sugar
15. 15.🛟 What should you do if vinegar splashes in your eye? (a) rinse with clean water (b) rub it hard (c) add baking soda (d) ignore it
16. 16.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they react (b) they freeze (c) they become magnets (d) they float apart
17. 17.🫧 Which of these is a base? (a) vinegar (b) soap solution (c) tamarind water (d) curd
18. 18.🧺 Do we need a mirror for the fizzy balloon? (a) needed (b) not needed
19. 19.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) sugar (c) vinegar (d) a tray for spills
20. 20.🧺 Which of these is needed for the fizzy balloon? (a) a funnel or spoon (b) a seed (c) a magnet (d) a mirror
21. 21.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a seed (b) a balloon (c) vinegar (d) a tray for spills
22. 22.🫧 Is detergent water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
23. 23.⚖️ 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 same bottle (c) spoons of baking soda
24. 24.🔮 Predict: you use plain water instead of vinegar. What happens? (a) the balloon bursts (b) it turns to honey (c) a huge eruption (d) very little fizzing
25. 25.🔍 Which is the odd one out? (a) salt water (b) baking soda water (c) sugar water (d) plain water
26. 26.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is what we measure. (a) True (b) False
27. 27.True or false: detergent water is neutral. (a) True (b) False
28. 28.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we measure it (b) we change it (c) we keep it the same
29. 29.🔍 Which is the odd one out? (a) orange juice (b) tamarind water (c) detergent water (d) lemon juice
30. 30.True or false: vinegar is neutral. (a) True (b) False
31. 31.True or false: a tray for spills is not needed for the fizzy balloon. (a) False (b) True
32. 32.🫧 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
33. 33.🫧 Is vinegar an acid, a base or neutral? (a) an acid (b) a base (c) neutral
34. 34.True or false: vinegar is needed for the fizzy balloon. (a) False (b) True
35. 35.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is kept the same. (a) True (b) False
36. 36.🫧 Is lemon juice an acid, a base or neutral? (a) a base (b) neutral (c) an acid
37. 37.True or false: curd is a base. (a) True (b) False
38. 38.⚖️ 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) False (b) True
39. 39.True or false: lemon juice is neutral. (a) False (b) True
40. 40.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) an empty bottle (c) a battery cell (d) a funnel or spoon

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