Curated OER
Earth's Atmosphere II
In this Earth's atmosphere instructional activity, students use the chart shown to determine which information is given for each gas. Then they write the names of the layers of the Earth's atmosphere and describe which layer the...
Curated OER
Telegraphy
Students research the telegraph. In this telegraph lesson, students review the history of the telegraph. Students complete radio wave experiments. Students work in pairs to complete 3 sound exercises.