Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 924 · 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? What do we do with “spoons of baking soda”? (a) we change it (b) we measure it (c) we keep it the same
2. 2.🫧 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
3. 3.🫧 Is soap solution an acid, a base or neutral? (a) an acid (b) neutral (c) a base
4. 4.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) baking soda (c) a seed (d) a battery cell
5. 5.True or false: baking soda is not needed for the fizzy balloon. (a) True (b) False
6. 6.🛟 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
7. 7.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) it turns to honey (c) very little fizzing (d) the balloon bursts
8. 8.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) there is no change (c) it turns blue (d) it grows bigger
9. 9.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a magnet (c) a comb (d) vinegar
10. 10.🫧 Which of these is neutral? (a) tamarind water (b) plain water (c) lemon juice (d) soap solution
11. 11.🔍 Which is the odd one out? (a) sugar water (b) salt water (c) baking soda water (d) plain water
12. 12.📘 Is the fizzing a sign that a new substance is made? (a) it is only melting (b) yes, a new gas forms (c) it is only dissolving (d) no, nothing changes
13. 13.⚖️ 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
14. 14.📘 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
15. 15.🫧 Is curd an acid, a base or neutral? (a) neutral (b) a base (c) an acid
16. 16.🫧 Which of these is an acid? (a) soap solution (b) tamarind water (c) sugar water (d) plain water
17. 17.⚖️ 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) True (b) False
18. 18.🫧 Is baking soda water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
19. 19.🧺 Which of these is not needed for the fizzy balloon? (a) a comb (b) vinegar (c) baking soda (d) a tray for spills
20. 20.⚖️ 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
21. 21.🫧 Which of these is a base? (a) sugar water (b) soap solution (c) lemon juice (d) salt water
22. 22.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a seed (c) a funnel or spoon (d) sugar
23. 23.True or false: an empty bottle is needed for the fizzy balloon. (a) True (b) False
24. 24.🫧 Which of these is a base? (a) orange juice (b) lemon juice (c) sugar water (d) detergent water
25. 25.🫧 Is tamarind water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
26. 26.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
27. 27.🛟 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
28. 28.🧺 Do we need a battery cell for the fizzy balloon? (a) needed (b) not needed
29. 29.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a comb (c) sugar (d) a tray for spills
30. 30.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) baking soda (c) a balloon (d) a battery cell
31. 31.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) spoons of baking soda (b) the amount of vinegar (c) the same bottle (d) the kind of balloon
32. 32.⚖️ 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
33. 33.⚖️ 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
34. 34.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) a funnel or spoon (c) a magnet (d) vinegar
35. 35.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a tray for spills (c) a funnel or spoon (d) a comb
36. 36.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the kind of balloon (b) the amount of vinegar (c) size of the balloon (d) the same bottle
37. 37.🧺 Do we need a tray for spills for the fizzy balloon? (a) needed (b) not needed
38. 38.🫧 Which of these is a base? (a) lemon juice (b) baking soda water (c) orange juice (d) vinegar
39. 39.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a comb (c) an empty bottle (d) a seed
40. 40.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) vinegar (c) a magnet (d) a balloon

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