Summary: If Earth's entire history could be compressed into a single year, modern humans would've appeared just 23 minutes ago! Use this video to introduce your students to the concept of geological time (also called deep time); relative age dating of rock via the principles of stratigraphic superposition, original horizontality, and cross-cutting; absolute age dating by radioactive decay; the chemical...
Format: software, multimedia
Publisher / Publication Date: Films Media Group 2006
View online at AVOD
Summary: As the Earth's fossil fuel reserves decline, what forms of energy will come next? After discussing the formation, uses, and consequences of burning coal, oil, and natural gas, this video explores the development of alternative resources that may someday completely replace them: nuclear power, solar energy, biomass, geothermal energy, hydroelectric power, and wind power. Benefits, costs, and...
Format: software, multimedia
Publisher / Publication Date: Films Media Group 2006
View online at AVOD
Summary: Knowledge of the physics and chemistry of the planet's "bones" is essential to a complete understanding of Earth science. Ranging from the Mohs scale and specific gravity to silicates, carbonates, and halides, this video delves deeply into the composition, properties, and classification of rocks and minerals. An element of forensic-type analysis is also brought into play, since any stony...
Format: software, multimedia
Publisher / Publication Date: Films Media Group 2006