Curated OER
Erosion
In this earth science activity, students describe the course of the river from its source to the mouth, including shapes of the valleys and erosion processes in each course. Then they identify possible types of erosion that would have...
Curated OER
Micro-organisms and Human Life
For this biology worksheet, students identify and locate various vocabulary terms that relate to micro-organisms and human life. There are 20 biology terms located in the word search.
CK-12 Foundation
Ck 12: Life Science: 4.7 Microevolution and Macroevolution
Understand the difference between microevolution and macroevolution.