Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 773 · 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 baking soda water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
2. 2.🫧 Which of these is an acid? (a) salt water (b) baking soda water (c) sugar water (d) vinegar
3. 3.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is the one thing we change. (a) False (b) True
4. 4.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) there is no change (c) it grows bigger (d) it turns blue
5. 5.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is kept the same. (a) True (b) False
6. 6.🫧 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
7. 7.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is the one thing we change. (a) False (b) True
8. 8.⚖️ 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 measure it (c) we change it
9. 9.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) very little fizzing (c) the balloon bursts (d) a huge eruption
10. 10.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
11. 11.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the amount of vinegar (b) spoons of baking soda (c) size of the balloon (d) the kind of balloon
12. 12.🫧 Which of these is an acid? (a) soap solution (b) salt water (c) baking soda water (d) lemon juice
13. 13.⚖️ 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 amount of vinegar (c) the kind of balloon (d) spoons of baking soda
14. 14.🧺 Which of these is needed for the fizzy balloon? (a) a tray for spills (b) a comb (c) sugar (d) a seed
15. 15.🫧 Is lemon juice an acid, a base or neutral? (a) an acid (b) a base (c) neutral
16. 16.🫧 Which of these is a base? (a) lemon juice (b) detergent water (c) sugar water (d) curd
17. 17.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
18. 18.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is the one thing we change. (a) True (b) False
19. 19.🧺 Do we need vinegar for the fizzy balloon? (a) needed (b) not needed
20. 20.🧺 Which of these is needed for the fizzy balloon? (a) vinegar (b) a comb (c) a magnet (d) a mirror
21. 21.True or false: a balloon is not needed for the fizzy balloon. (a) False (b) True
22. 22.🫧 Which of these is a base? (a) salt water (b) lemon juice (c) soap solution (d) plain water
23. 23.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) rub it hard (c) rinse with clean water (d) add baking soda
24. 24.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a magnet (c) vinegar (d) baking soda
25. 25.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) sugar (c) a tray for spills (d) baking soda
26. 26.⚖️ 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
27. 27.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
28. 28.🔮 The fizzing stops after a while. Why? (a) an ingredient ran out (b) the gas froze (c) the balloon got cold (d) the bottle got tired
29. 29.True or false: a funnel or spoon is needed for the fizzy balloon. (a) True (b) False
30. 30.True or false: plain water is a base. (a) True (b) False
31. 31.True or false: a balloon is needed for the fizzy balloon. (a) True (b) False
32. 32.🧺 Do we need a seed for the fizzy balloon? (a) not needed (b) needed
33. 33.📘 Is the fizzing a sign that a new substance is made? (a) no, nothing changes (b) yes, a new gas forms (c) it is only dissolving (d) it is only melting
34. 34.True or false: a seed is needed for the fizzy balloon. (a) True (b) False
35. 35.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) vinegar (c) baking soda (d) a comb
36. 36.🔍 Which is the odd one out? (a) salt water (b) orange juice (c) tamarind water (d) curd
37. 37.⚖️ 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
38. 38.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) shake it near your face (c) seal it in a glass jar (d) keep it away from eyes
39. 39.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a battery cell (c) a balloon (d) a comb
40. 40.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed

Free science experiments lessons, practice and worksheets at talentjr.in/science-experiments-for-kids