Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 930 · 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: size of the balloon is what we measure. (a) True (b) False
2. 2.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we keep it the same (b) we change it (c) we measure it
3. 3.📘 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
4. 4.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a magnet (c) a seed (d) an empty bottle
5. 5.True or false: a seed is not needed for the fizzy balloon. (a) False (b) True
6. 6.🫧 Is plain water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
7. 7.⚖️ 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
8. 8.⚖️ 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
9. 9.🫧 Is sugar water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
10. 10.True or false: orange juice is neutral. (a) True (b) False
11. 11.🔮 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
12. 12.🔍 Which is the odd one out? (a) soap solution (b) lemon juice (c) detergent water (d) baking soda water
13. 13.True or false: a balloon is needed for the fizzy balloon. (a) True (b) False
14. 14.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) ignore it (c) rub it hard (d) rinse with clean water
15. 15.🧺 Do we need a balloon for the fizzy balloon? (a) needed (b) not needed
16. 16.True or false: a seed is needed for the fizzy balloon. (a) True (b) False
17. 17.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
18. 18.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) seal it in a glass jar (c) shake it near your face (d) keep it away from eyes
19. 19.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) size of the balloon (b) the kind of balloon (c) the amount of vinegar (d) the same bottle
20. 20.🔍 Which is the odd one out? (a) salt water (b) sugar water (c) detergent water (d) plain water
21. 21.True or false: plain water is neutral. (a) False (b) True
22. 22.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a seed (b) a funnel or spoon (c) an empty bottle (d) a balloon
23. 23.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the kind of balloon (b) size of the balloon (c) spoons of baking soda
24. 24.🧺 Which of these is not needed for the fizzy balloon? (a) sugar (b) a balloon (c) vinegar (d) an empty bottle
25. 25.True or false: vinegar is a base. (a) False (b) True
26. 26.🫧 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
27. 27.🔍 Which is the odd one out? (a) baking soda water (b) soap solution (c) detergent water (d) orange juice
28. 28.🔍 Which is the odd one out? (a) vinegar (b) lemon juice (c) sugar water (d) orange juice
29. 29.⚖️ 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) True (b) False
30. 30.🫧 Which of these is an acid? (a) plain water (b) orange juice (c) soap solution (d) salt water
31. 31.🧺 Which of these is needed for the fizzy balloon? (a) a balloon (b) a seed (c) sugar (d) a mirror
32. 32.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a mirror (c) a tray for spills (d) baking soda
33. 33.⚖️ 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
34. 34.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a funnel or spoon (c) vinegar (d) a comb
35. 35.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a funnel or spoon (c) an empty bottle (d) a seed
36. 36.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) a huge eruption (c) the balloon bursts (d) very little fizzing
37. 37.🔍 Which is the odd one out? (a) soap solution (b) plain water (c) detergent water (d) baking soda water
38. 38.🔍 Which is the odd one out? (a) curd (b) orange juice (c) baking soda water (d) vinegar
39. 39.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is what we measure. (a) True (b) False
40. 40.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is the one thing we change. (a) False (b) True

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