Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 980 · 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) rinse with clean water (b) rub it hard (c) add baking soda (d) ignore it
2. 2.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
3. 3.🫧 Which of these is an acid? (a) vinegar (b) baking soda water (c) detergent water (d) salt water
4. 4.True or false: vinegar is a base. (a) False (b) True
5. 5.True or false: sugar is needed for the fizzy balloon. (a) True (b) False
6. 6.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they freeze (b) they react (c) they float apart (d) they become magnets
7. 7.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) keep it away from eyes (c) shake it near your face (d) put it in your mouth
8. 8.⚖️ 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 change it (c) we keep it the same
9. 9.🧺 Which of these is not needed for the fizzy balloon? (a) a seed (b) an empty bottle (c) baking soda (d) vinegar
10. 10.🔍 Which is the odd one out? (a) vinegar (b) orange juice (c) sugar water (d) lemon juice
11. 11.🎈 Why does the balloon blow up? (a) outside air gets in (b) the bottle shrinks (c) gas is made inside (d) vinegar is hot
12. 12.🧺 Which of these is not needed for the fizzy balloon? (a) a mirror (b) an empty bottle (c) baking soda (d) a tray for spills
13. 13.🫧 Is soap solution an acid, a base or neutral? (a) an acid (b) neutral (c) a base
14. 14.🫧 Which of these is a base? (a) lemon juice (b) tamarind water (c) orange juice (d) detergent water
15. 15.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is what we measure. (a) False (b) True
16. 16.⚖️ 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
17. 17.True or false: plain water is an acid. (a) True (b) False
18. 18.🫧 Is detergent water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
19. 19.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a battery cell (c) a tray for spills (d) a comb
20. 20.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) it turns to ice (c) it glows in the dark (d) lots of fizzy bubbles
21. 21.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a seed (c) a tray for spills (d) vinegar
22. 22.True or false: vinegar is an acid. (a) True (b) False
23. 23.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a mirror (b) an empty bottle (c) a balloon (d) vinegar
24. 24.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) a huge eruption (c) very little fizzing (d) the balloon bursts
25. 25.🔍 Which is the odd one out? (a) curd (b) lemon juice (c) soap solution (d) vinegar
26. 26.🧺 Do we need a seed for the fizzy balloon? (a) not needed (b) needed
27. 27.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a battery cell (c) sugar (d) baking soda
28. 28.🫧 Is plain water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
29. 29.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) False (b) True
30. 30.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) there is no change (b) it shrinks (c) it turns blue (d) it grows bigger
31. 31.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
32. 32.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
33. 33.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a funnel or spoon (c) sugar (d) a mirror
34. 34.True or false: lemon juice is neutral. (a) True (b) False
35. 35.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is kept the same. (a) False (b) True
36. 36.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) spoons of baking soda (b) size of the balloon (c) the kind of balloon
37. 37.True or false: orange juice is a base. (a) False (b) True
38. 38.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the same bottle (b) the amount of vinegar (c) the kind of balloon (d) size of the balloon
39. 39.🫧 Is lemon juice an acid, a base or neutral? (a) a base (b) neutral (c) an acid
40. 40.⚖️ 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) True (b) False

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