Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 355 · 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 the fizzing a sign that a new substance is made? (a) it is only melting (b) yes, a new gas forms (c) no, nothing changes (d) it is only dissolving
2. 2.True or false: a funnel or spoon is needed for the fizzy balloon. (a) False (b) True
3. 3.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it grows bigger (b) it shrinks (c) it turns blue (d) there is no change
4. 4.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) add baking soda (c) rub it hard (d) rinse with clean water
5. 5.🫧 Which of these is an acid? (a) sugar water (b) detergent water (c) plain water (d) lemon juice
6. 6.True or false: vinegar is not needed for the fizzy balloon. (a) True (b) False
7. 7.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a battery cell (c) a balloon (d) a funnel or spoon
8. 8.True or false: an empty bottle is not needed for the fizzy balloon. (a) False (b) True
9. 9.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) sugar (b) a tray for spills (c) a balloon (d) baking soda
10. 10.🔍 Which is the odd one out? (a) vinegar (b) soap solution (c) tamarind water (d) lemon juice
11. 11.🔮 Predict: you use plain water instead of vinegar. What happens? (a) very little fizzing (b) it turns to honey (c) the balloon bursts (d) a huge eruption
12. 12.⚖️ 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) spoons of baking soda (c) the same bottle (d) the kind of balloon
13. 13.🎈 Why does the balloon blow up? (a) outside air gets in (b) the bottle shrinks (c) vinegar is hot (d) gas is made inside
14. 14.True or false: baking soda water is neutral. (a) False (b) True
15. 15.🫧 Is tamarind water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
16. 16.🫧 Which of these is a base? (a) sugar water (b) salt water (c) curd (d) detergent water
17. 17.True or false: a magnet is needed for the fizzy balloon. (a) False (b) True
18. 18.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
19. 19.⚖️ 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
20. 20.True or false: plain water is neutral. (a) False (b) True
21. 21.🫧 Which of these is an acid? (a) baking soda water (b) orange juice (c) soap solution (d) plain water
22. 22.🧺 Which of these is not needed for the fizzy balloon? (a) a comb (b) a tray for spills (c) baking soda (d) an empty bottle
23. 23.🫧 Which of these is a base? (a) salt water (b) curd (c) tamarind water (d) baking soda water
24. 24.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a mirror (c) a balloon (d) a tray for spills
25. 25.🫧 Which of these is neutral? (a) detergent water (b) plain water (c) lemon juice (d) orange juice
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.🫧 Is plain water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
28. 28.True or false: a balloon is not needed for the fizzy balloon. (a) False (b) True
29. 29.🔍 Which is the odd one out? (a) curd (b) orange juice (c) detergent water (d) vinegar
30. 30.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a comb (c) a tray for spills (d) an empty bottle
31. 31.⚖️ 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
32. 32.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) a battery cell (c) baking soda (d) vinegar
33. 33.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) a balloon (c) a seed (d) vinegar
34. 34.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a seed (c) an empty bottle (d) vinegar
35. 35.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a battery cell (c) a seed (d) a tray for spills
36. 36.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) a tray for spills (c) a funnel or spoon (d) sugar
37. 37.🧺 Do we need a tray for spills for the fizzy balloon? (a) needed (b) not needed
38. 38.🔍 Which is the odd one out? (a) sugar water (b) plain water (c) salt water (d) tamarind water
39. 39.🧺 Which of these is not needed for the fizzy balloon? (a) a magnet (b) a balloon (c) an empty bottle (d) a tray for spills
40. 40.🧺 Do we need a seed for the fizzy balloon? (a) needed (b) not needed

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