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Looking at traits shared by most animals, this program shows how animals achieve motion promoted by a musculoskeletal system and maintain equilibrium through homeostasis and feedback.

Introducing the arboriculture profession, this program details safety requirements, looks at planting and staking of ornamental trees, considers climbing and pruning, covers lift-truck operation, and shows how to analyze tree problems. The DVD also demonstrates the duckbill root-anchoring system, explores the use of ultrasound technology to see the interior conditions of trees, and highlights tree-care equipment.

Hosted by Landscape Architect author Howard Garrett, this program offers an on-site field trip that explores the art of landscaping. It teaches how to work within a budget, covers site analysis, demolition, layout, grading, planting, irrigating, and lighting plans, and presents proper planting techniques.

This program introduces atoms, molecules, and compounds. It examines concepts related to the nucleus, including protons, neutrons, energy shells, binding energy, fission, and fusion, discusses electrons, including quantum numbers and atomic orbitals, and looks at the elements, including the periodic table, valence electrons, ions, ionizing energy, electronegativity, and covalent and ionic bonds. The DVD also explores atomic energy and covers exot... This program introduces atoms, molecules, and compounds. It examines concepts related to the nucleus, including protons, neutrons, energy shells, binding energy, fission, and fusion, discusses electrons, including quantum numbers and atomic orbitals, and looks at the elements, including the periodic table, valence electrons, ions, ionizing energy, electronegativity, and covalent and ionic bonds. The DVD also explores atomic energy and covers exothermic and endothermic reactions, spontaneous reactions, Gibbs free energy, activation energy, catalysts, and compounds. Show more Show less