Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 978 · 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) rub it hard (c) ignore it (d) rinse with clean water
2. 2.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is kept the same. (a) False (b) True
3. 3.🫧 Which of these is an acid? (a) plain water (b) baking soda water (c) detergent water (d) tamarind water
4. 4.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) the balloon bursts (c) it turns to honey (d) very little fizzing
5. 5.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) vinegar (c) a tray for spills (d) a magnet
6. 6.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a funnel or spoon (c) a balloon (d) a battery cell
7. 7.🧺 Which of these is needed for the fizzy balloon? (a) a balloon (b) a magnet (c) a mirror (d) a comb
8. 8.🔍 Which is the odd one out? (a) soap solution (b) plain water (c) detergent water (d) baking soda water
9. 9.⚖️ 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 measure it (c) we keep it the same
10. 10.True or false: sugar is needed for the fizzy balloon. (a) False (b) True
11. 11.⚖️ 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) size of the balloon (d) spoons of baking soda
12. 12.🫧 Is vinegar an acid, a base or neutral? (a) neutral (b) an acid (c) a base
13. 13.🫧 Is salt water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
14. 14.🫧 Which of these is a base? (a) tamarind water (b) baking soda water (c) curd (d) sugar water
15. 15.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
16. 16.🔍 Which is the odd one out? (a) plain water (b) vinegar (c) sugar water (d) salt water
17. 17.⚖️ 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
18. 18.🔍 Which is the odd one out? (a) vinegar (b) orange juice (c) tamarind water (d) sugar water
19. 19.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
20. 20.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they react (b) they float apart (c) they freeze (d) they become magnets
21. 21.🫧 Which of these is neutral? (a) vinegar (b) baking soda water (c) sugar water (d) curd
22. 22.🫧 Is baking soda water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
23. 23.True or false: plain water is an acid. (a) True (b) False
24. 24.⚖️ 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
25. 25.🫧 Which of these is an acid? (a) sugar water (b) salt water (c) orange juice (d) soap solution
26. 26.True or false: a seed is needed for the fizzy balloon. (a) False (b) True
27. 27.⚖️ 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
28. 28.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) seal it in a glass jar (c) shake it near your face (d) keep it away from eyes
29. 29.🧺 Do we need a seed for the fizzy balloon? (a) not needed (b) needed
30. 30.🧺 Do we need a tray for spills for the fizzy balloon? (a) needed (b) not needed
31. 31.True or false: salt water is neutral. (a) True (b) False
32. 32.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) a balloon (c) a seed (d) baking soda
33. 33.🫧 Is tamarind water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
34. 34.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the amount of vinegar (b) size of the balloon (c) the kind of balloon (d) spoons of baking soda
35. 35.True or false: sugar is not needed for the fizzy balloon. (a) False (b) True
36. 36.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) sugar (c) baking soda (d) a magnet
37. 37.⚖️ 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
38. 38.🫧 What do you see when baking soda meets vinegar? (a) it glows in the dark (b) lots of fizzy bubbles (c) it turns to ice (d) nothing at all
39. 39.🔍 Which is the odd one out? (a) baking soda water (b) detergent water (c) soap solution (d) salt water
40. 40.🎈 Why does the balloon blow up? (a) gas is made inside (b) outside air gets in (c) vinegar is hot (d) the bottle shrinks

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