Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 757 · 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? True or false: the amount of vinegar is kept the same. (a) False (b) True
2. 2.🎈 Why does the balloon blow up? (a) gas is made inside (b) vinegar is hot (c) the bottle shrinks (d) outside air gets in
3. 3.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a magnet (c) vinegar (d) an empty bottle
4. 4.True or false: a funnel or spoon is needed for the fizzy balloon. (a) False (b) True
5. 5.📘 Is the fizzing a sign that a new substance is made? (a) it is only melting (b) it is only dissolving (c) no, nothing changes (d) yes, a new gas forms
6. 6.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a funnel or spoon (c) a battery cell (d) sugar
7. 7.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) vinegar (c) baking soda (d) a battery cell
8. 8.True or false: lemon juice is a base. (a) True (b) False
9. 9.🫧 What do you see when baking soda meets vinegar? (a) it turns to ice (b) lots of fizzy bubbles (c) nothing at all (d) it glows in the dark
10. 10.True or false: an empty bottle is not needed for the fizzy balloon. (a) True (b) False
11. 11.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) keep it away from eyes (c) put it in your mouth (d) shake it near your face
12. 12.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) False (b) True
13. 13.True or false: a tray for spills is not needed for the fizzy balloon. (a) True (b) False
14. 14.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) add baking soda (c) rinse with clean water (d) rub it hard
15. 15.⚖️ 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
16. 16.True or false: vinegar is not needed for the fizzy balloon. (a) False (b) True
17. 17.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the amount of vinegar (b) size of the balloon (c) spoons of baking soda (d) the same bottle
18. 18.⚖️ 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
19. 19.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they react (b) they become magnets (c) they freeze (d) they float apart
20. 20.⚖️ 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 same bottle (d) the amount of vinegar
21. 21.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) spoons of baking soda (b) the amount of vinegar (c) size of the balloon
22. 22.🧺 Which of these is needed for the fizzy balloon? (a) baking soda (b) sugar (c) a mirror (d) a seed
23. 23.🧺 Do we need a magnet for the fizzy balloon? (a) needed (b) not needed
24. 24.🫧 Which of these is a base? (a) detergent water (b) tamarind water (c) vinegar (d) sugar water
25. 25.🧺 Do we need a mirror for the fizzy balloon? (a) needed (b) not needed
26. 26.🫧 Which of these is neutral? (a) soap solution (b) salt water (c) curd (d) baking soda water
27. 27.True or false: a seed is needed for the fizzy balloon. (a) False (b) True
28. 28.🧺 Which of these is needed for the fizzy balloon? (a) a tray for spills (b) a mirror (c) sugar (d) a battery cell
29. 29.🫧 Is orange juice an acid, a base or neutral? (a) neutral (b) a base (c) an acid
30. 30.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it turns blue (b) there is no change (c) it shrinks (d) it grows bigger
31. 31.🫧 Is curd an acid, a base or neutral? (a) neutral (b) an acid (c) a base
32. 32.🫧 Is vinegar an acid, a base or neutral? (a) neutral (b) a base (c) an acid
33. 33.⚖️ 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
34. 34.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) spoons of baking soda (b) the kind of balloon (c) size of the balloon
35. 35.🔍 Which is the odd one out? (a) sugar water (b) salt water (c) soap solution (d) plain water
36. 36.🧺 Do we need a seed for the fizzy balloon? (a) needed (b) not needed
37. 37.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) an empty bottle (c) baking soda (d) a magnet
38. 38.🧺 Do we need a balloon for the fizzy balloon? (a) needed (b) not needed
39. 39.🫧 Is sugar water 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? Which of these is kept the same? (a) the same bottle (b) spoons of baking soda (c) size of the balloon

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