Earth Science

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Dating Lava Flows on Mauna Loa Volcano, Hawaiʻi

Dating Lava Flows on Mauna Loa Volcano, Hawaiʻi

In this video segment adapted from NOVA, scientists search for carbonized remains of plants preserved in lava flows to find out how long it has taken rain forests on Hawaiʻi to regenerate after a volcanic eruption. OER Level

3-12

Video

Deep-Sea Vents and Life's Origins

Deep-Sea Vents and Life's Origins

Deep-sea vents are home to life forms that do not rely on the Sun's energy. They depend instead on energy from volcanoes on the ocean floor. This video segment adapted from NOVA hypothesizes that life on Earth may have begun in this extreme environment. OER Level

3-12

Video

Great Ocean Conveyor Belt: Part II

Great Ocean Conveyor Belt: Part II

A substantial increase in freshwater running into the northern Atlantic Ocean could dramatically affect climate and global ocean currents. This audio segment from National Public Radio presents viewpoints from scientists studying changes in ocean circulation. OER Level

6-12

Audio

Hubble's Expanding Universe

Hubble's Expanding Universe

This adapted video segment, using footage from NOVA and NASA, examines Edwin Hubble's work and how his findings laid the foundation for the Big Bang theory. OER Level

6-12

Video

Lava Sampling on Kilauea Volcano, Hawaiʻi

Lava Sampling on Kilauea Volcano, Hawaiʻi

In this video segment adapted from NOVA, scientist Mike Garcia draws lava samples at the foot of the active Kilauea volcano to see if it is related to its neighboring volcano, Mauna Loa. OER Level

6-12

Video

Natural Wonders

Natural Wonders

Many of the interesting landmarks around the world are formed over time by natural processes familiar to us in our everyday lives. This still collage produced for Teachers' Domain features images of a variety of beautiful natural wonders. OER Level

K-5

Image

Plate Tectonics: Further Evidence

Plate Tectonics: Further Evidence

This video segment adapted from A Science Odyssey uses animation and archival footage to provide an overview of the theory of plate tectonics. OER Level

6-12

Video