188 results for your search

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Elements of Biology: Biomes

(Discovery Channel School, 2006), 56 mins, 56 page(s)

This program describes the major world biomes, explains how organisms adapt to their environments, and considers the ways in which human interference has changed ecosystem structures. Discovery Enterprises.

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Elements of Chemistry: Acids and Bases

(Discovery Channel School, 2006), 56 mins, 56 page(s)

This program introduces the chemistry of acids and bases. It examines the pH scale, which measures the amounts of acidity or basicity of compounds, and shows how acids and bases contribute to such varied phenomena as acid rain and cellular function. Discovery Enterprises.

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Elements of Chemistry: Atoms

(Discovery Channel School, 2006), 56 mins, 56 page(s)

Explaining that atoms are the fundamental building blocks of all matter, this program explores the structure of atoms, describes what holds them together, and discusses the composition of different elements, isotopes, and ions. The DVD introduces the basic concepts of quantum theory and shows how knowledge about t...

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Elements of Chemistry: Carbon Chemistry

(Discovery Channel School, 2006), 56 mins, 56 page(s)

Outlining the unusual properties of carbon and considering that eighty percent of known substances contain carbon, this program considers the crucial role the element plays in earth and life processes. It explains that carbon is vital to every living molecule and explores critical differences in the chemical makeu...

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Elements of Chemistry: Understanding the Periodic Table

(Discovery Channel School, 2003), 56 mins, 56 page(s)

This program traces the historical development of the periodic table and explains why elements are given specific positions on the table. It discusses the information contained in each square of the periodic table and looks at electron configurations. The DVD also illustrates similarities among blocks of elements....

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Elements of Earth Science: Earth’s Atmosphere, Weather, and Climate

(Discovery Channel School), 30 page(s)

This DVD explores the earth’s atmospheric composition and considers its role in weather patterns. The program investigates convection currents and climate zones, shows how hurricanes and tornadoes form, and examines the environmental consequences of global warming and air pollution. Discovery Enterprises.

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Endocrine Control: Systems in Balance

(Coastline Community College, 1997), 30 mins, 30 page(s)

This DVD examines the role of the endocrine system in maintaining homeostasis and investigates its regulation by the nervous system. The program covers such topics as the basic functions of the pituitary gland, the role of the adrenal gland, and the influence of biofeedback on stress.

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Energy Makes Things Happen

(Coastline Community College, 2010), 28 mins, 28 page(s)

This DVD discusses the role of energy in the reactions that occur inside and outside the human body. It explains how energy remains constant, shows how energy affects the motion of matter, describes energy changes during chemical reactions, and looks at the role of energy in the survival of humans.

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Engineering Nature: Engineering Hurricanes

(Discovery Channel School, 2009), 43 mins, 43 page(s)

This program shows how researchers are using storm simulators to determine the ability of building materials to withstand strong winds. It also addresses the scientific debate concerning the impact of global warming on extreme weather. Discovery Enterprises.

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Environmental Issues: Animal Systems

(CEV - Multimedia, 2010), 35 mins, 35 page(s)

This program explores the livestock industry’s effects on global climate change and the greenhouse effect. It also looks at environmentally friendly animal management techniques and discusses safety practices.

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