Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 896 · 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 keep it the same (b) we change it (c) we measure it
2. 2.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) vinegar (c) a battery cell (d) baking soda
3. 3.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) add baking soda (c) ignore it (d) rinse with clean water
4. 4.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they float apart (b) they become magnets (c) they react (d) they freeze
5. 5.🔮 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
6. 6.🧺 Do we need a battery cell for the fizzy balloon? (a) not needed (b) needed
7. 7.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is what we measure. (a) False (b) True
8. 8.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we change it (b) we keep it the same (c) we measure it
9. 9.⚖️ 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
10. 10.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a balloon (c) an empty bottle (d) a seed
11. 11.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is kept the same. (a) False (b) True
12. 12.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) baking soda (c) a battery cell (d) a magnet
13. 13.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we measure it (b) we change it (c) we keep it the same
14. 14.🫧 Is plain water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
15. 15.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
16. 16.🫧 Which of these is neutral? (a) orange juice (b) lemon juice (c) baking soda water (d) sugar water
17. 17.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is what we measure. (a) False (b) True
18. 18.True or false: orange juice is an acid. (a) False (b) True
19. 19.⚖️ 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
20. 20.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the amount of vinegar (b) the kind of balloon (c) spoons of baking soda (d) size of the balloon
21. 21.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is kept the same. (a) False (b) True
22. 22.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) sugar (c) baking soda (d) a tray for spills
23. 23.True or false: a tray for spills is not needed for the fizzy balloon. (a) False (b) True
24. 24.⚖️ 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
25. 25.True or false: a magnet is needed for the fizzy balloon. (a) True (b) False
26. 26.True or false: lemon juice is a base. (a) True (b) False
27. 27.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a tray for spills (c) a battery cell (d) a magnet
28. 28.True or false: a mirror is not needed for the fizzy balloon. (a) False (b) True
29. 29.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) vinegar (c) a funnel or spoon (d) sugar
30. 30.🫧 Which of these is an acid? (a) orange juice (b) soap solution (c) sugar water (d) baking soda water
31. 31.True or false: vinegar is an acid. (a) False (b) True
32. 32.True or false: sugar water is neutral. (a) True (b) False
33. 33.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
34. 34.🧺 Do we need a tray for spills for the fizzy balloon? (a) needed (b) not needed
35. 35.🫧 Is curd an acid, a base or neutral? (a) an acid (b) neutral (c) a base
36. 36.True or false: a funnel or spoon is needed for the fizzy balloon. (a) True (b) False
37. 37.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a magnet (c) a mirror (d) vinegar
38. 38.🧺 Which of these is not needed for the fizzy balloon? (a) a battery cell (b) baking soda (c) an empty bottle (d) a tray for spills
39. 39.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) it turns to ice (c) it glows in the dark (d) lots of fizzy bubbles
40. 40.🫧 Is tamarind water an acid, a base or neutral? (a) an acid (b) neutral (c) a base

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