Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 789 · 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.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a comb (c) an empty bottle (d) a balloon
2. 2.🫧 Is soap solution an acid, a base or neutral? (a) neutral (b) a base (c) an acid
3. 3.True or false: vinegar is a base. (a) True (b) False
4. 4.🫧 Is plain water 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 magnet (b) vinegar (c) a battery cell (d) a comb
6. 6.🫧 Is vinegar an acid, a base or neutral? (a) neutral (b) a base (c) an acid
7. 7.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) an empty bottle (c) a seed (d) baking soda
8. 8.🔮 Predict: you use plain water instead of vinegar. What happens? (a) the balloon bursts (b) a huge eruption (c) it turns to honey (d) very little fizzing
9. 9.🧺 Which of these is needed for the fizzy balloon? (a) a funnel or spoon (b) a comb (c) a seed (d) a mirror
10. 10.⚖️ 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 kind of balloon (c) the amount of vinegar (d) size of the balloon
11. 11.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
12. 12.🫧 Is lemon juice an acid, a base or neutral? (a) a base (b) an acid (c) neutral
13. 13.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) vinegar (c) baking soda (d) a comb
14. 14.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we measure it (b) we change it (c) we keep it the same
15. 15.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) there is no change (b) it shrinks (c) it turns blue (d) it grows bigger
16. 16.🫧 Which of these is a base? (a) curd (b) soap solution (c) sugar water (d) orange juice
17. 17.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) shake it near your face (c) put it in your mouth (d) keep it away from eyes
18. 18.🫧 Is curd an acid, a base or neutral? (a) a base (b) an acid (c) neutral
19. 19.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) size of the balloon (b) the kind of balloon (c) spoons of baking soda (d) the same bottle
20. 20.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is what we measure. (a) False (b) True
21. 21.⚖️ 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
22. 22.🫧 Which of these is a base? (a) sugar water (b) vinegar (c) orange juice (d) detergent water
23. 23.🔮 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
24. 24.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) vinegar (c) a funnel or spoon (d) a magnet
25. 25.🧺 Do we need a balloon for the fizzy balloon? (a) needed (b) not needed
26. 26.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we keep it the same (b) we change it (c) we measure it
27. 27.⚖️ 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
28. 28.True or false: curd is an acid. (a) False (b) True
29. 29.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) a funnel or spoon (c) baking soda (d) sugar
30. 30.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) it turns to ice (c) lots of fizzy bubbles (d) it glows in the dark
31. 31.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
32. 32.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is what we measure. (a) False (b) True
33. 33.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a comb (c) a seed (d) an empty bottle
34. 34.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) a balloon (c) a funnel or spoon (d) a battery cell
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) False (b) True
36. 36.🫧 Which of these is an acid? (a) soap solution (b) salt water (c) tamarind water (d) baking soda water
37. 37.⚖️ 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
38. 38.True or false: a battery cell is not needed for the fizzy balloon. (a) True (b) False
39. 39.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) an empty bottle (c) baking soda (d) a mirror
40. 40.🔍 Which is the odd one out? (a) salt water (b) baking soda water (c) detergent water (d) soap solution

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