Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 803 · 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.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) ignore it (c) rub it hard (d) rinse with clean water
2. 2.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they freeze (b) they react (c) they become magnets (d) they float apart
3. 3.🫧 Which of these is an acid? (a) sugar water (b) orange juice (c) detergent water (d) plain water
4. 4.🫧 Is curd an acid, a base or neutral? (a) a base (b) an acid (c) neutral
5. 5.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is the one thing we change. (a) False (b) True
6. 6.⚖️ 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 keep it the same (c) we change it
7. 7.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
8. 8.⚖️ 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) the same bottle (d) spoons of baking soda
9. 9.True or false: a mirror is not needed for the fizzy balloon. (a) False (b) True
10. 10.🧺 Do we need a battery cell for the fizzy balloon? (a) needed (b) not needed
11. 11.🫧 Is sugar water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
12. 12.🫧 Which of these is an acid? (a) soap solution (b) curd (c) sugar water (d) salt water
13. 13.True or false: baking soda water is an acid. (a) False (b) True
14. 14.True or false: a tray for spills is needed for the fizzy balloon. (a) False (b) True
15. 15.🧺 Do we need sugar for the fizzy balloon? (a) not needed (b) needed
16. 16.🧺 Which of these is not needed for the fizzy balloon? (a) sugar (b) vinegar (c) baking soda (d) an empty bottle
17. 17.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) a huge eruption (c) the balloon bursts (d) very little fizzing
18. 18.⚖️ 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) size of the balloon (c) spoons of baking soda (d) the same bottle
19. 19.True or false: baking soda is not needed for the fizzy balloon. (a) True (b) False
20. 20.⚖️ 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
21. 21.⚖️ 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
22. 22.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we measure it (b) we keep it the same (c) we change it
23. 23.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
24. 24.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a magnet (c) baking soda (d) vinegar
25. 25.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) hydrogen (b) oxygen (c) helium (d) carbon dioxide
26. 26.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a funnel or spoon (c) a balloon (d) a seed
27. 27.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it turns blue (b) it grows bigger (c) there is no change (d) it shrinks
28. 28.🔍 Which is the odd one out? (a) salt water (b) sugar water (c) plain water (d) detergent water
29. 29.🛟 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
30. 30.True or false: tamarind water is an acid. (a) False (b) True
31. 31.🫧 Is salt water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
32. 32.🔮 The fizzing stops after a while. Why? (a) the balloon got cold (b) the gas froze (c) an ingredient ran out (d) the bottle got tired
33. 33.🫧 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
34. 34.⚖️ 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
35. 35.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a balloon (c) a comb (d) a funnel or spoon
36. 36.🫧 Which of these is neutral? (a) salt water (b) tamarind water (c) detergent water (d) soap solution
37. 37.True or false: vinegar is not needed for the fizzy balloon. (a) False (b) True
38. 38.🫧 Is vinegar an acid, a base or neutral? (a) an acid (b) a base (c) neutral
39. 39.⚖️ 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
40. 40.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) baking soda (c) vinegar (d) a battery cell

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