Science

This DVD contains 4 - 20 minute videos:

The Atmosphere
Concepts and terminology covered in this video include: conduction, convection, radiation, lithosphere, hydrosphere, atmosphere, ozone, smog, greenhouse effect, ozone depletion, stratosphere, mesosphere, and troposphere.

This DVD contains 4 - 20 minute videos:

Grasslands
Terminology and concepts discussed in the program include: savanna, grassland, grass, prairie, nutrients, and bison.

This DVD contains 4 - 20 minute videos:

Minerals and Their Properties
Some of the terminology and concepts conveyed in this video include: inorganic, luster, streak, color, cleavage and fracture, specific gravity, hardness, Mohs scale, ore, metals, and gemstones.

Great Transformations - 60 minutes

From the development of the four-limbed body plan, the journey of animal life from water to land and the emergence of humans, Great Transformations focuses on the evolutionary changes that triggered the earth's incredible diversity.

Extinction! - 60 minutes

The Evolutionary Arms Race - 60 minutes

Survival of the fittest: Is it raw competition, a level of cooperation indispensable to life, or both? Explore our own spiraling arms race with microorganisms - the only real threat to our existence - and trace the alarming spread of resistance among pathogens that cause disease.

Why Sex? - 60 minutes

The Mind's Big Bang - 60 minutes
Between 100,000 and 50,000 years ago, something happened that triggered a creative, technological and social explosion, allowing humans to dominate the planet. What forces may have contributed to the emergence of the modern human mind?

Introduces geology concepts such as geologic time, continental crust, plate tectonics, volcanic activity, earthquakes, subduction zones, erosion, and glaciers.

This four-part video series presents a detailed review of the important concepts in middle school life science relating to the following: skeletal system, muscular system, circulation, respiration, digestion, excretion, endocrine system, and nervous system.

Once again, Lennart Nilsson's cameras take us into the mysterious and beautiful world of the human body, capturing incredible never-before-seen footage.

This four-part video series presents a detailed review of the important concepts in middle school earth science relating to Earth-Sun-Moon system, characteristics of the inner and outer planets, and fascinating highlights of the universe.

Provides an introduction into human and plant cells and looks at the primary functions and structure of the cell. Examines how the body repairs damaged cells.

This colorful video uses graphic sequences to illustrate the journey of a pizza slice as it travels through the human body. Each major organ of the digestive and excretory systems is profiled and shown in action. In addition, the program explains how the body uses fats, carbohydrates, proteins and other nutrients.

In this informative program, students explore two key body systems: the respiratory and circulatory systems. Beginning with the respiratory system, the complex process of breathing is explored.

From sipping hot chocolate to remembering a phone number, this creative video shows how everyday situations are controlled by the brain and nervous system. Various organs and components of both the central nervous system and the peripheral nervous system are explored.

This program explores the characteristics and functions of the bones and joints in the human skeletal system. How the muscles, tendons, and ligaments work in conjunction with the skeletal system to provide movement for the body is shown through the use of live action demonstrations and animated sequences.