Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 293 · 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? Which of these is what we measure? (a) spoons of baking soda (b) the kind of balloon (c) size of the balloon (d) the amount of vinegar
2. 2.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a magnet (c) a tray for spills (d) baking soda
3. 3.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) an empty bottle (c) a funnel or spoon (d) a seed
4. 4.🔍 Which is the odd one out? (a) plain water (b) salt water (c) vinegar (d) sugar water
5. 5.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) ignore it (c) rinse with clean water (d) rub it hard
6. 6.🎈 Why does the balloon blow up? (a) the bottle shrinks (b) outside air gets in (c) vinegar is hot (d) gas is made inside
7. 7.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a battery cell (b) vinegar (c) an empty bottle (d) a funnel or spoon
8. 8.⚖️ 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) False (b) True
9. 9.🧺 Which of these is not needed for the fizzy balloon? (a) a magnet (b) a balloon (c) a funnel or spoon (d) vinegar
10. 10.🫧 Is plain water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
11. 11.⚖️ 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) size of the balloon (c) the kind of balloon (d) the amount of vinegar
12. 12.🔍 Which is the odd one out? (a) tamarind water (b) orange juice (c) soap solution (d) vinegar
13. 13.True or false: lemon juice is an acid. (a) True (b) False
14. 14.🛟 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
15. 15.🔮 Predict: you use plain water instead of vinegar. What happens? (a) the balloon bursts (b) a huge eruption (c) very little fizzing (d) it turns to honey
16. 16.True or false: lemon juice is neutral. (a) False (b) True
17. 17.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) vinegar (c) a seed (d) a comb
18. 18.📘 Is the fizzing a sign that a new substance is made? (a) yes, a new gas forms (b) it is only dissolving (c) no, nothing changes (d) it is only melting
19. 19.True or false: lemon juice is a base. (a) False (b) True
20. 20.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the kind of balloon (b) size of the balloon (c) spoons of baking soda
21. 21.True or false: a magnet is not needed for the fizzy balloon. (a) False (b) True
22. 22.True or false: vinegar is neutral. (a) True (b) False
23. 23.🫧 Is orange juice an acid, a base or neutral? (a) neutral (b) a base (c) an acid
24. 24.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is what we measure. (a) True (b) False
25. 25.True or false: a seed is needed for the fizzy balloon. (a) True (b) False
26. 26.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) lots of fizzy bubbles (c) it glows in the dark (d) it turns to ice
27. 27.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
28. 28.⚖️ 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 change it (c) we keep it the same
29. 29.🔍 Which is the odd one out? (a) tamarind water (b) curd (c) lemon juice (d) plain water
30. 30.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they become magnets (b) they react (c) they float apart (d) they freeze
31. 31.🫧 Is tamarind water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
32. 32.🧺 Which of these is needed for the fizzy balloon? (a) a tray for spills (b) a battery cell (c) sugar (d) a mirror
33. 33.True or false: orange juice is an acid. (a) True (b) False
34. 34.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
35. 35.🫧 Which of these is an acid? (a) detergent water (b) soap solution (c) baking soda water (d) curd
36. 36.🧺 Which of these is needed for the fizzy balloon? (a) a balloon (b) a comb (c) a magnet (d) sugar
37. 37.True or false: baking soda is needed for the fizzy balloon. (a) True (b) False
38. 38.🧺 Do we need a tray for spills for the fizzy balloon? (a) needed (b) not needed
39. 39.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) there is no change (b) it turns blue (c) it shrinks (d) it grows bigger
40. 40.🫧 Which of these is a base? (a) vinegar (b) salt water (c) sugar water (d) baking soda water

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