Curated OER
Oceans
First graders recognize that nearly three quarters of the Earth is covered by ocean. They locate the Pacific, Atlantic, Indian, Arctic and Antarctic oceans on a map. They describe the difference between ocean water and fresh water.
Curated OER
Nature of Meteor Showers
Ninth graders describe, in general terms, the distribution of matter in space and
identify evidence for, and describe characteristics of, bodies that make up the solar system. They then investigate predictions about the motion,...