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
Earth and Space Science: Exploring Earthquakes
Students explore earthquakes. In this earthquake lesson, students research earthquakes and identify where they take place. Students use map skills to track down earthquake locations. There are internet sites suggested in this lesson.