Lesson Planet Article
Curated OER

Mastering the Parts of a Cell

For Teachers 6th - 8th
There are great lessons and tricks you can use for teaching your students about cellular organelles.
Lesson Plan
Curated OER

ARE WE IN THE MIDDLE OF A MASS EXTINCTION?

For Teachers 6th - 8th
Students identify and interpret the following: What is mass extinction, and what are some theories for why it happens? How often do species become extinct? What is the normal rate of extinction? Why are some species endangered? What...