Ocean Acidification in a Cup (Option 2)
Grades: 6+
Duration: 10 minutes
Materials:
-
- pH meter (boiled red cabbage water)
- ocean water
- paper straw
- cups
- vinegar
OSO alignment: Ocean acidification will be a concept that is covered in the 2023-24
OSO curriculum update: In this activity, students learn how the ocean is getting more acidic and less oxygenated and what that means for coral reefs and animals with hard exoskeletons.
NGSS performance expectation: MS-PS1-2. Analyze and interpret data on the properties of substances before and after the substances interact to determine if a chemical reaction has occurred.