Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 47 · 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 is the odd one out? (a) plain water (b) salt water (c) sugar water (d) vinegar
2. 2.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we keep it the same (b) we measure it (c) we change it
3. 3.True or false: a battery cell is not needed for the fizzy balloon. (a) True (b) False
4. 4.🔍 Which is the odd one out? (a) sugar water (b) baking soda water (c) salt water (d) plain water
5. 5.🫧 Is soap solution an acid, a base or neutral? (a) neutral (b) an acid (c) a base
6. 6.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is kept the same. (a) False (b) True
7. 7.True or false: vinegar is not needed for the fizzy balloon. (a) False (b) True
8. 8.🔍 Which is the odd one out? (a) lemon juice (b) tamarind water (c) vinegar (d) soap solution
9. 9.True or false: tamarind water is a base. (a) False (b) True
10. 10.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the amount of vinegar (b) size of the balloon (c) the kind of balloon (d) spoons of baking soda
11. 11.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) rinse with clean water (c) rub it hard (d) ignore it
12. 12.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) vinegar (c) an empty bottle (d) a comb
13. 13.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a seed (c) baking soda (d) an empty bottle
14. 14.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) spoons of baking soda (b) size of the balloon (c) the amount of vinegar (d) the same bottle
15. 15.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
16. 16.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) a battery cell (c) a funnel or spoon (d) vinegar
17. 17.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they become magnets (b) they float apart (c) they react (d) they freeze
18. 18.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a funnel or spoon (c) a comb (d) a tray for spills
19. 19.True or false: a magnet is not needed for the fizzy balloon. (a) True (b) False
20. 20.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a mirror (c) a funnel or spoon (d) an empty bottle
21. 21.🔍 Which is the odd one out? (a) detergent water (b) soap solution (c) plain water (d) baking soda water
22. 22.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a magnet (c) baking soda (d) a funnel or spoon
23. 23.🧺 Which of these is not needed for the fizzy balloon? (a) a mirror (b) a funnel or spoon (c) vinegar (d) a balloon
24. 24.🧺 Which of these is needed for the fizzy balloon? (a) a tray for spills (b) a comb (c) a seed (d) a magnet
25. 25.🫧 Which of these is an acid? (a) lemon juice (b) soap solution (c) baking soda water (d) plain water
26. 26.🧺 Which of these is needed for the fizzy balloon? (a) an empty bottle (b) a magnet (c) a comb (d) sugar
27. 27.🎈 Why does the balloon blow up? (a) gas is made inside (b) outside air gets in (c) the bottle shrinks (d) vinegar is hot
28. 28.True or false: plain water is a base. (a) True (b) False
29. 29.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a battery cell (b) a balloon (c) a funnel or spoon (d) baking soda
30. 30.🔍 Which is the odd one out? (a) orange juice (b) detergent water (c) soap solution (d) baking soda water
31. 31.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) baking soda (c) vinegar (d) a seed
32. 32.True or false: sugar is not needed for the fizzy balloon. (a) True (b) False
33. 33.⚖️ 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
34. 34.⚖️ 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
35. 35.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a seed (c) a funnel or spoon (d) a mirror
36. 36.🫧 Is tamarind water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
37. 37.True or false: baking soda is needed for the fizzy balloon. (a) True (b) False
38. 38.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) the balloon bursts (c) a huge eruption (d) very little fizzing
39. 39.🔮 The fizzing stops after a while. Why? (a) the gas froze (b) the bottle got tired (c) an ingredient ran out (d) the balloon got cold
40. 40.🫧 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

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