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Vitamins and minerals are essential nutrients because they perform hundreds of roles in the body. There is a fine line between getting enough of these nutrients and getting too much. Eating a healthy diet remains the best way to get sufficient amounts of vitamins and minerals. In addition to vitamins and minerals, water is also essential for the optimal performance and regulation of the human body. Part of the "Human Nutrition" series.
(Source: DCMP)
Students will explore the world of rocks and minerals. Through the use of animation and live video footage, this program demonstrates how rocks are formed and how they change. Students will also learn to identify common minerals and properties of rocks. Part of the Real World Science series.
Five children explore the bottom of a mine to learn about minerals. From the Kool Books series narrated by Hector Bonilla.
How are rocks formed? Do they change over time? Students explore the world of rocks and minerals. They also learn how to identify common minerals and properties of rocks. Part of the "Way Cool Science" series.
Host Emily Graslie meets with James Holstein, the Collection Manager of Meteoritics and Physical Geology, to discuss deadly rocks. Some minerals contain harmful elements that can cause damage through repeated exposure in unregulated environments. Part of "The Brain Scoop" series.
Explores the need for many multicellular plants to have specialized internal transport systems, which are systems that can efficiently distribute materials from soil and leaves to the parts of the plants where they are needed. An overview of how plants obtain their nutrients is provided. The structure and function of root hairs is explored, explaining their remarkable ability to facilitate an enormous uptake of water and dissolved minerals for the plant. Following this, the separate transport systems of the xylem and phloem are explored in detail. Also explains the mechanisms by which vascular plants transport water and minerals upward from the roots as well as sugars from leaves and other sugar sources throughout the plant for storage or for growth and repair.
Arsenic is a chemical element with the symbol As and atomic number 33. Arsenic is a metalloid and occurs in many minerals, usually in combination with sulfur and metals, but also as a pure elemental crystal.
(Source: Library Lyna)
Though manned space flight began in 1961, any kind of off-earth colonization remains a dream. Astronauts and scientists speculate about the possibilities, dangers, and problems to be overcome.
This segment answers the questions surrounding the origins of Earth. Scientists use clues from the past to help explain how Earth formed. Other topics covered include matter, minerals, and rocks. Part of the "Earth Science" series.
The Standard Deviants explore minerals. Viewers will learn all the basics, starting with that burning question: What is a mineral? Next, The Standard Deviants discuss magma, igneous rocks, plutons, and intrusive rocks. Part of "The Rockin' World of Geology" series.
In this segment, students learn about the process of weathering. It is the breaking down of rocks, soil, and minerals through contact with the earth's atmosphere, water, and biological organisms. Other topics covered include erosion, surface water, groundwater, wind, and waves. Part of the "Earth Science" series.
Mining traditionally has destroyed vegetation and topsoil as it takes minerals from the ground. New techniques and increased environmental awareness has recently led to new land reclamation experiments. Adding earthworms and bacteria to restore the land is one such venture. Highlights bioremediation--using living organisms-- to clean up heavy metals left as mining residue.
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3D models and images of the entire periodic table of elements
A collection containing 118 resources, curated by Library Lyna
