Discovery Education
Sonar & Echolocation
A well-designed, comprehensive, and attractive slide show supports direct instruction on how sonar and echolocation work. Contained within the slides are links to interactive websites and instructions for using apps on a mobile device to...
Curated OER
Biology: Variation and Classification
Students investigate classification of different animal groups. In this biology lesson plan students list characteristics of themselves and others they know to show differences and how they are classified. Students then answer...