Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 573 · 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.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a seed (b) baking soda (c) a tray for spills (d) a funnel or spoon
2. 2.True or false: a battery cell is needed for the fizzy balloon. (a) True (b) False
3. 3.🎈 Why does the balloon blow up? (a) gas is made inside (b) the bottle shrinks (c) vinegar is hot (d) outside air gets in
4. 4.🫧 Is detergent water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
5. 5.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a tray for spills (c) a comb (d) vinegar
6. 6.🛟 Which safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) seal it in a glass jar (c) put it in your mouth (d) shake it near your face
7. 7.True or false: sugar is not needed for the fizzy balloon. (a) True (b) False
8. 8.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) an empty bottle (c) a tray for spills (d) a magnet
9. 9.⚖️ 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
10. 10.True or false: detergent water is a base. (a) True (b) False
11. 11.True or false: plain water is neutral. (a) True (b) False
12. 12.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a balloon (c) sugar (d) a mirror
13. 13.🫧 Is soap solution an acid, a base or neutral? (a) an acid (b) neutral (c) a base
14. 14.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a mirror (c) baking soda (d) a balloon
15. 15.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
16. 16.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) ignore it (c) add baking soda (d) rinse with clean water
17. 17.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) True (b) False
18. 18.🫧 Is baking soda water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
19. 19.🫧 Is orange juice an acid, a base or neutral? (a) a base (b) neutral (c) an acid
20. 20.True or false: a tray for spills is not needed for the fizzy balloon. (a) False (b) True
21. 21.🔍 Which is the odd one out? (a) soap solution (b) baking soda water (c) vinegar (d) detergent water
22. 22.True or false: vinegar is not needed for the fizzy balloon. (a) True (b) False
23. 23.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we change it (b) we measure it (c) we keep it the same
24. 24.🫧 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
25. 25.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we measure it (b) we change it (c) we keep it the same
26. 26.🧺 Do we need a magnet for the fizzy balloon? (a) needed (b) not needed
27. 27.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the amount of vinegar (b) the same bottle (c) spoons of baking soda (d) size of the balloon
28. 28.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) sugar (c) a magnet (d) a tray for spills
29. 29.📘 Is the fizzing a sign that a new substance is made? (a) it is only dissolving (b) no, nothing changes (c) it is only melting (d) yes, a new gas forms
30. 30.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) there is no change (c) it turns blue (d) it grows bigger
31. 31.🫧 Is vinegar an acid, a base or neutral? (a) neutral (b) an acid (c) a base
32. 32.🔍 Which is the odd one out? (a) salt water (b) tamarind water (c) curd (d) orange juice
33. 33.True or false: sugar water is a base. (a) False (b) True
34. 34.📘 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
35. 35.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) vinegar (c) a battery cell (d) a balloon
36. 36.🧺 Do we need a seed for the fizzy balloon? (a) needed (b) not needed
37. 37.🫧 Which of these is neutral? (a) tamarind water (b) orange juice (c) lemon juice (d) sugar water
38. 38.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is what we measure. (a) True (b) False
39. 39.⚖️ 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 amount of vinegar (c) spoons of baking soda
40. 40.🫧 Is lemon juice an acid, a base or neutral? (a) a base (b) neutral (c) an acid

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