Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 643 · 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.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) baking soda (c) sugar (d) a seed
2. 2.True or false: detergent water is a base. (a) True (b) False
3. 3.⚖️ 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
4. 4.True or false: sugar water is an acid. (a) True (b) False
5. 5.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is what we measure. (a) True (b) False
6. 6.🎈 Why does the balloon blow up? (a) vinegar is hot (b) outside air gets in (c) gas is made inside (d) the bottle shrinks
7. 7.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
8. 8.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) shake it near your face (c) keep it away from eyes (d) seal it in a glass jar
9. 9.True or false: soap solution is an acid. (a) True (b) False
10. 10.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) an empty bottle (c) a seed (d) vinegar
11. 11.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is what we measure. (a) False (b) True
12. 12.⚖️ 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 amount of vinegar
13. 13.⚖️ 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 keep it the same (c) we change it
14. 14.🫧 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
15. 15.True or false: vinegar is needed for the fizzy balloon. (a) False (b) True
16. 16.🧺 Which of these is not needed for the fizzy balloon? (a) a battery cell (b) vinegar (c) a funnel or spoon (d) a tray for spills
17. 17.True or false: a magnet is needed for the fizzy balloon. (a) True (b) False
18. 18.🫧 Which of these is an acid? (a) salt water (b) vinegar (c) soap solution (d) sugar water
19. 19.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we change it (b) we keep it the same (c) we measure it
20. 20.🔍 Which is the odd one out? (a) sugar water (b) plain water (c) vinegar (d) salt water
21. 21.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is kept the same. (a) False (b) True
22. 22.🔍 Which is the odd one out? (a) salt water (b) plain water (c) sugar water (d) baking soda water
23. 23.True or false: baking soda is not needed for the fizzy balloon. (a) True (b) False
24. 24.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a funnel or spoon (c) an empty bottle (d) a mirror
25. 25.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a magnet (c) an empty bottle (d) a balloon
26. 26.True or false: orange juice is a base. (a) True (b) False
27. 27.True or false: a balloon is not needed for the fizzy balloon. (a) True (b) False
28. 28.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a tray for spills (c) sugar (d) a comb
29. 29.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it grows bigger (b) there is no change (c) it turns blue (d) it shrinks
30. 30.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) it turns to honey (c) the balloon bursts (d) very little fizzing
31. 31.🫧 Which of these is an acid? (a) salt water (b) sugar water (c) lemon juice (d) detergent water
32. 32.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we measure it (b) we change it (c) we keep it the same
33. 33.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) sugar (c) a funnel or spoon (d) an empty bottle
34. 34.🫧 Is plain water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
35. 35.True or false: vinegar is not needed for the fizzy balloon. (a) False (b) True
36. 36.True or false: sugar water is neutral. (a) True (b) False
37. 37.⚖️ 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
38. 38.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) add baking soda (c) ignore it (d) rinse with clean water
39. 39.🫧 Is detergent water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
40. 40.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the same bottle (b) the kind of balloon (c) size of the balloon (d) spoons of baking soda

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