Mercury Exploration
Mercury is the innermost and smallest planet in the Solar System, orbiting the Sun once every 87.969 days. The orbit of Mercury has the highest eccentricity of all the Solar System planets, and it has the smallest axial tilt.
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Success Teaching Reading with Direct Instruction
Testimonials from Milwaukee public school system teachers and
administrators. Since implementing direct instruction reform programs
such as Reading Mastery, city schools have experienced dramatic
increases in student motivation, academic performance, and performance on standardized tests. Reading Mastery is a direct instruction program published by SRA/McGraw-Hill.

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Copernicus and Galileo
Copernicus was ridiculed by his peers and Galileo was found guilty of heresy by the Catholic church for their views that the Sun (not the Earth) was the center of the Solar System. The video has a fascinating account of Galileo's observations of Venus. Run time 05:06.
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What is the Cardiovascular System?
An animated explanation of the cardiovascular system that might be appropriate for younger viewers as it is animated; however, even older viewers can learn much as there is a great amount of detail in certain parts. Key vocabulary words include: heart, blood vessels, oxygen, carbon dioxide, right atrium, left atrium, ventricle, valve, blood pressure, systolic pressure, and diastolic pressure.Run time 04:27
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Circulation
Instructor (who appears to be teaching a high school science class) is using a life-sized model to demonstrate specifics about the circulatory system.
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Do The Circulation - Song
This is an animated Science Rock about blood circulation. The song explains the parts the heart has and the way blood goes in it circulation. The importance of exercise to keep the system healthy is also shown
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School House Rock "Do the Circulation"
Learn about the human circulatory system with this short, catchy song from School House Rock. Quickly memorize information with these lyrics about arteries, veins, left and right ventrical, left and right atrium, red cells, white cells, and how the bloodstream carries nutrition to the rest of your body.  Run time 03:01
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Heart and Circulatory System - How They Work
The video uses computer animation to give an overview of the organs inside the circulatory system.  The video includes a transcript that begins with "Your heart is a pump. It's a muscular organ about the size of your fist and located slightly left of center in your chest.
Your heart is divided into the right and the left side. The division protects oxygen-rich blood from mixing with oxygen-poor blood.
Together, your heart and blood vessels comprise your cardiovascular system, whic
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Nervous System
Video discusses the nervous system.  It shows what the nervous system is responsible for.  It discusses what the nervous system is made of, how big it is, and what it controls.  It is called the nervous system because it is made of billions of nerve cells.  The brain is divided into the right side and the left side.  It also shows the different parts of the brain.
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The Anatomy of the Central Nervous System
This is an excellent, concise video giving information through simple animation and commentary. A quote from the video: "The nervous system is a complex network of nerve cells and nerve fibers spread throughout the body. Its function is to interpret, store, and respond to information received from inside and outside."
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Nervous System
Learn about the communication system of your body. What lies beneath how you respond to everyday stimuli? How does your nerves process information?  Video discusses what the nervous system does and how it works.  This discussion of the nervous system is split into two parts; the central nervous system and the peripheral nervous system. 
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Nervous System - Kids Animation Learn Series
Learn all about the functions of the Human Body from the 'Human Body' Kids Animation Learn Series. This simple video elaborated with pictures and descriptions about the human nervous system are enjoyable and make learning about this complex system understandable for all ages.
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How the Nervous System Works
The nervous system is your information station. Learn more about your nervous system and its major organs as well as their functions with this short video from Kids Health.  The video also addresses the size/weight of your brain and the various parts of your brain.
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Human Anatomy - Peripheral Nervous System
This is a computer-animated video (02:23) that describes the nervous system and its three parts: the autonomic nervous system, the enteric nervous system, and the somatic nervous system.  This video has English captions at the bottom of the screen. This may be good for big classrooms where sound may not travel far.
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The Nervous System: A Phylogenetic Perspective
Professor George Wolfe discusses the nervous system in this video from Thinkwell's online Biology series. The video uses lecture format along with notes and illustrations on a board.  Run time 08:22.
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Human Regulation: The Nervous System and the Action Potential
Professor George Wolfe discusses the nervous system and the action potential in human regulation in this video from Thinkwell's online Biology series.
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Immune System - Kids Animation Learn Series
Learn all about the functions of the Human Body from the 'Human Body' Kids Animation Learn Series. This simple video elaborated with pictures and descriptions makes the immune system of the human body easily understood by learners of most ages. Run time 04:03.
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The Immune System: Structure and Function
How do we combat disease and pathogens? Professor George Wolfe discusses structure and function of the immune system in this video from Thinkwell's online Biology series. The video uses lecture format and a white board to aid in the explanation.  Run time 09:31.
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Science Fiction-Science Fact
Science fiction has always provided inspiration and ideas for the scientists and engineers who design and build real spacecraft.  Many of our current technologies were predicted long ago in science fiction stories.  Arthur C. Clarke, scientist turned writer, wrote the screenplay for 2001: A Space Odyssey.  The narrator descibes space stations, spaceships, and the influence of Jules Verne's story From
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Ingredients for Life - Water
Earth provides a comfortable and temperate environment for a wide variety of living organisms. However, in the past few decades, scientists have discovered unusual life forms thriving in areas where the majority of living things on Earth could never survive, such as by deep sea vents or in dry deserts. This video segment, adapted from NOVA, explores extreme forms of life on Earth, the importance of liquid water, and the possibilities of life elsewhere in the solar system. Closed captioning inclu
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