Curated OER
Decidedly Different
Fifth graders inquire as to why scientists use observable characteristics, how they sort the characteristics, and why they do so. They write journal entries to be used throughout this unit.
Other
The Evidence for Evolution: Biogeography
These pages are part of a site called "Evolution," that accompanies a textbook by the same name. Mark Ridley is the author. These pages are about the house sparrow and the differences that can be observed in it in different geographical...
PBS
Pbs Learning Media: Spin a Spiral Galaxy
This interactive activity from NOVA Online lets you spin a spiral galaxy, including our own Milky Way. It demonstrates that what you can learn from visible light observations of a galaxy is largely determined by the angle from which you...