Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 255 · 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.🫧 Is vinegar an acid, a base or neutral? (a) an acid (b) a base (c) neutral
2. 2.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) put it in your mouth (c) keep it away from eyes (d) shake it near your face
3. 3.🧺 Do we need a tray for spills for the fizzy balloon? (a) needed (b) not needed
4. 4.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is the one thing we change. (a) True (b) False
5. 5.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the kind of balloon (b) spoons of baking soda (c) the amount of vinegar (d) size of the balloon
6. 6.🔮 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
7. 7.⚖️ 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 kind of balloon (c) spoons of baking soda (d) the amount of vinegar
8. 8.🫧 Which of these is an acid? (a) soap solution (b) plain water (c) baking soda water (d) vinegar
9. 9.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a tray for spills (c) a magnet (d) baking soda
10. 10.🫧 Which of these is an acid? (a) plain water (b) lemon juice (c) soap solution (d) baking soda water
11. 11.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a tray for spills (c) sugar (d) baking soda
12. 12.🫧 Is salt water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
13. 13.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a battery cell (b) an empty bottle (c) a tray for spills (d) vinegar
14. 14.True or false: vinegar is not needed for the fizzy balloon. (a) True (b) False
15. 15.📘 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
16. 16.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a magnet (c) a comb (d) vinegar
17. 17.True or false: vinegar is needed for the fizzy balloon. (a) True (b) False
18. 18.🫧 Which of these is neutral? (a) baking soda water (b) salt water (c) tamarind water (d) vinegar
19. 19.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the kind of balloon (b) spoons of baking soda (c) size of the balloon
20. 20.🔮 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
21. 21.⚖️ 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
22. 22.True or false: sugar water is an acid. (a) False (b) True
23. 23.True or false: soap solution is a base. (a) True (b) False
24. 24.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) a tray for spills (c) a mirror (d) a funnel or spoon
25. 25.True or false: baking soda water is neutral. (a) True (b) False
26. 26.🎈 Why does the balloon blow up? (a) gas is made inside (b) the bottle shrinks (c) vinegar is hot (d) outside air gets in
27. 27.⚖️ 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 measure it (c) we change it
28. 28.True or false: a balloon is needed for the fizzy balloon. (a) False (b) True
29. 29.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) lots of fizzy bubbles (c) it turns to ice (d) it glows in the dark
30. 30.🫧 Is orange juice an acid, a base or neutral? (a) an acid (b) neutral (c) a base
31. 31.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we change it (b) we keep it the same (c) we measure it
32. 32.🫧 Is plain water 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? Which of these is kept the same? (a) the same bottle (b) size of the balloon (c) spoons of baking soda
34. 34.True or false: a tray for spills is not needed for the fizzy balloon. (a) False (b) True
35. 35.🔍 Which is the odd one out? (a) sugar water (b) vinegar (c) salt water (d) plain water
36. 36.🧺 Do we need a comb for the fizzy balloon? (a) not needed (b) needed
37. 37.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
38. 38.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) rub it hard (c) add baking soda (d) rinse with clean water
39. 39.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is kept the same. (a) False (b) True
40. 40.🔍 Which is the odd one out? (a) tamarind water (b) soap solution (c) detergent water (d) baking soda water

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