Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 67 · 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.True or false: sugar is needed for the fizzy balloon. (a) True (b) False
2. 2.🧺 Do we need a magnet for the fizzy balloon? (a) needed (b) not needed
3. 3.⚖️ 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
4. 4.🧺 Do we need a seed for the fizzy balloon? (a) not needed (b) needed
5. 5.🫧 Is salt water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
6. 6.⚖️ 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
7. 7.🧺 Which of these is needed for the fizzy balloon? (a) an empty bottle (b) a seed (c) a battery cell (d) a magnet
8. 8.True or false: baking soda is not needed for the fizzy balloon. (a) False (b) True
9. 9.🫧 Is plain water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
10. 10.🎈 Why does the balloon blow up? (a) outside air gets in (b) vinegar is hot (c) gas is made inside (d) the bottle shrinks
11. 11.True or false: salt water is an acid. (a) True (b) False
12. 12.⚖️ 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 amount of vinegar (c) the kind of balloon (d) the same bottle
13. 13.🛟 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
14. 14.True or false: baking soda water is neutral. (a) False (b) True
15. 15.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a funnel or spoon (c) a battery cell (d) an empty bottle
16. 16.🧺 Do we need a tray for spills for the fizzy balloon? (a) needed (b) not needed
17. 17.🫧 Is tamarind water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
18. 18.🛟 Which safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) shake it near your face (c) seal it in a glass jar (d) put it in your mouth
19. 19.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) the balloon bursts (c) very little fizzing (d) it turns to honey
20. 20.🧺 Do we need a battery cell for the fizzy balloon? (a) needed (b) not needed
21. 21.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) False (b) True
22. 22.🫧 Is soap solution an acid, a base or neutral? (a) an acid (b) a base (c) neutral
23. 23.🫧 Which of these is an acid? (a) plain water (b) lemon juice (c) salt water (d) soap solution
24. 24.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a tray for spills (c) a seed (d) a comb
25. 25.🫧 Which of these is a base? (a) curd (b) tamarind water (c) vinegar (d) baking soda water
26. 26.True or false: soap solution is a base. (a) False (b) True
27. 27.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) hydrogen (b) helium (c) carbon dioxide (d) oxygen
28. 28.⚖️ 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 change it (c) we measure it
29. 29.⚖️ 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
30. 30.True or false: orange juice is an acid. (a) True (b) False
31. 31.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
32. 32.📘 Is the fizzing a sign that a new substance is made? (a) no, nothing changes (b) yes, a new gas forms (c) it is only melting (d) it is only dissolving
33. 33.🫧 Which of these is neutral? (a) lemon juice (b) salt water (c) detergent water (d) orange juice
34. 34.⚖️ 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
35. 35.🧺 Which of these is not needed for the fizzy balloon? (a) a comb (b) a tray for spills (c) a balloon (d) a funnel or spoon
36. 36.🫧 Which of these is an acid? (a) soap solution (b) tamarind water (c) plain water (d) sugar water
37. 37.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they react (b) they float apart (c) they become magnets (d) they freeze
38. 38.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a tray for spills (c) a mirror (d) an empty bottle
39. 39.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) size of the balloon (b) the same bottle (c) spoons of baking soda (d) the kind of balloon
40. 40.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a comb (b) a funnel or spoon (c) a balloon (d) baking soda

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