Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 207 · 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.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we change it (b) we measure it (c) we keep it the same
2. 2.🫧 What do you see when baking soda meets vinegar? (a) it turns to ice (b) it glows in the dark (c) nothing at all (d) lots of fizzy bubbles
3. 3.True or false: vinegar is an acid. (a) True (b) False
4. 4.⚖️ 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
5. 5.🔍 Which is the odd one out? (a) detergent water (b) baking soda water (c) plain water (d) soap solution
6. 6.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
7. 7.⚖️ 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
8. 8.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) it grows bigger (c) there is no change (d) it turns blue
9. 9.⚖️ 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
10. 10.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) it turns to honey (c) very little fizzing (d) the balloon bursts
11. 11.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a comb (c) a magnet (d) baking soda
12. 12.🔍 Which is the odd one out? (a) detergent water (b) baking soda water (c) soap solution (d) tamarind water
13. 13.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a comb (c) vinegar (d) a magnet
14. 14.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a balloon (c) baking soda (d) sugar
15. 15.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is the one thing we change. (a) False (b) True
16. 16.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) needed (b) not needed
17. 17.🧺 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 mirror
18. 18.🫧 Which of these is a base? (a) salt water (b) tamarind water (c) orange juice (d) soap solution
19. 19.True or false: detergent water is an acid. (a) False (b) True
20. 20.⚖️ 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) True (b) False
21. 21.🫧 Which of these is neutral? (a) tamarind water (b) plain water (c) vinegar (d) orange juice
22. 22.🫧 Which of these is neutral? (a) tamarind water (b) orange juice (c) salt water (d) detergent water
23. 23.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) an empty bottle (c) a seed (d) a battery cell
24. 24.True or false: an empty bottle is not needed for the fizzy balloon. (a) True (b) False
25. 25.🫧 Is lemon juice an acid, a base or neutral? (a) neutral (b) a base (c) an acid
26. 26.⚖️ 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
27. 27.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) keep it away from eyes (c) put it in your mouth (d) seal it in a glass jar
28. 28.🛟 What should you do if vinegar splashes in your eye? (a) rinse with clean water (b) ignore it (c) add baking soda (d) rub it hard
29. 29.🔍 Which is the odd one out? (a) orange juice (b) lemon juice (c) detergent water (d) vinegar
30. 30.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they become magnets (b) they float apart (c) they react (d) they freeze
31. 31.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a balloon (c) a seed (d) sugar
32. 32.🫧 Which of these is an acid? (a) vinegar (b) sugar water (c) salt water (d) baking soda water
33. 33.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) size of the balloon (b) spoons of baking soda (c) the kind of balloon
34. 34.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
35. 35.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a balloon (c) a magnet (d) baking soda
36. 36.🧺 Do we need a battery cell for the fizzy balloon? (a) not needed (b) needed
37. 37.⚖️ 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) spoons of baking soda (c) the same bottle (d) size of the balloon
38. 38.🔍 Which is the odd one out? (a) vinegar (b) orange juice (c) tamarind water (d) baking soda water
39. 39.🔮 The fizzing stops after a while. Why? (a) the gas froze (b) an ingredient ran out (c) the bottle got tired (d) the balloon got cold
40. 40.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a tray for spills (c) a mirror (d) a battery cell

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