Earth Revealed
There
are many ways to teach geology, but there's nothing like showing
geological forces in action to help students understand the fundamental
processes that shape our earth. That's exactly what you can do with
Earth Revealed, a stunning series that combines documentary footage
of major geological events with graphic illustrations that show
how these events relate to the theory of plate tectonics.
The
programs feature geologists at work analyzing changing landscapes
and providing critically important advice on engineering and construction
projects. Produced by the Southern California Consortium.
Episode Descriptions
Introduction
1 Down to Earth — This program introduces the vast field
of study that is geology, showing the uniqueness of Earth in its
ability to support life.
2 The Restless Planet — Revisits the beginnings of our
solar system and the evolution of Earth's structure.
Plate Tectonics
3 Earth's Interior — Demonstrates how seismic waves
occur and explains the measurement of gravity, heat flow, and earth
magnetism, to provide information about Earth's interior.
4 The Sea Floor — Examines major sea-floor features:
the mid-oceanic ridge, oceanic trenches, and fracture zones; evidence
of Earth's mobile crust.
5 The Birth of a Theory — Traces origins of the ideas
of continental drift and sea-floor spreading and their contributions
to plate tectonics theory.
6 Plate Dynamics — Introduces theory and concepts about
the movements of Earth's plates by looking at plate boundaries and
their associated geologic features.
7 Mountain Building — How major mountain belts and continents
are created, evolve, and wear away.
8 Earth's Structures — Illustrates how bedrock responds
to tectonic forces originating within Earth and is studied by structural
geologists.
9 Earthquakes — This episode explores the nature and
consequences of earthquakes, the factors that cause quakes, their
location and characteristics.
Geological
Time and Life
10 Geological Time — This program portrays the immensity
of the geologic time scale, which is the world-wide basis for correlation
of geologic events, rock formation and fossils.
11 Evolution Through Time — Explores Earth’s evolutionary
journey the past four-and a- half billion years.
The
Rock Cycle
12 Minerals: The Materials of Earth — This episode
covers the origins, classifications and uses of minerals.
13 Volcanism — The program explains how volcanoes are
formed and assesses the importance of volcanic activity to earth's
geology and climate.
14 Intrusive Igneous Rocks — This episode unveils the
rock-forming processes of magmas that do not reach Earth's surface,
but solidify underground.
15 Weathering and Soils — Demonstrates how minerals
and rocks change when subjected to the physical and chemical conditions
that exist at Earth's surface.
16 Mass Wasting — Demonstrates gravity at work on rapidly
moving landslides and imperceptibly slow creep, as well as the role
of humans in causing or controlling mass wasting.
17 Sedimentary Rocks: The Key to Past Environments —
Illustrates the importance of sedimentary rocks in understanding
Earth's surface and environmental conditions of the past.
18 Metamorphic Rocks — Interprets the causative factors
of metamorphism and the kinds of rocks produced.
19 Running Water I: Rivers, Erosion and Deposition —
This segment analyzes the role of running water in sculpting Earth's
surface, discusses tectonic and hydrologic cycles and how they work
to shape the land.
20 Running Water II: Landform Evolution — Recognizes
the roles human activity can play in intensifying or reducing flood
danger, and describes how streams and valleys are shaped and landscapes
formed.
Carving
the Landscape
21 Groundwater — Explains how this critical resource
is distributed and recycled.
22 Wind, Dust and Deserts — Deserts cover a third of
all land masses and are located in polar as well as equatorial regions.
This program shows how they form and their major features.
23 Glaciers — Responsible for such spectacular scenery
as the Alps and Yosemite Valley, glaciers are important sculptors
of Earth's surface.
24 Waves, Beaches and Coasts — This program takes viewers
to the beach, a dynamic zone where the sand is in constant motion,
sensitive to variations in waves, winds, tides, currents, and human
intervention.
Living
With Earth
25 Living With Earth, Part I — Expresses human responses
to the destructive forces of natural phenomena, such as earthquakes
and landslides.
26 Living With Earth, Part II — Explores the impact
of human activity on Earth and discusses ways in which people can
shape their actions to benefit Earth.
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