How to Free Up Space on your PC
Step 1: Free Up Some Space
If you want to speed up your PC, the first step is to go to your Start menu and find the System Tools, group under the Accessories heading. Click on Disk Cleanup.
Step 2: Defrag It
Return to System Tools and run your disk defragmenter. Over time the information on your computer becomes scattered. The Defragger will organize the info and your computer will spend less time searching.
Step 3: Bewar
The Power House of the Cell
Mitochondria play host to one of the most important processes in your
body: cellular respiration. Taking in glucose and oxygen, mitochondria
produce energy, which they capture and package as energy-rich molecules of ATP. This video describes the structure and functions that give mitochondria their nickname: the powerhouses of the cell. Closed captioning included. Run time 05:47.
HIV Spreading
How does HIV spread from an infected cell to a healthy one? A team from the University of California, Davis, and Mount Sinai School of Medicine in New York captured the process on video for the first time. By dying viral particles with a fluorescent green dye, they were able to see the infection in action.
Hubble Telescope: What It Has Shown Us
The Hubble Space Telescope was launched on 24 April, 1990. This tool, built as a collaboration between NASA and the European Space Agency, is one of humanity’s most important tools in discovering the Universe.
Since its start, it has shown us distant galaxies, nebulae, and has even
given us a clear idea of the Earth’s age. It has answered some of the
most lingering questions in astronomy, and is helping us discover
whether life exists outside our planet
Animal Adaptations
This is a video clip from "Adaptations", a 14-minute award-winning elementary life science video produced by the Visual Learning Company. Â This brief clip gives an overall view of what animal adaptations are, and how they are different for different species of animals. Examples include herbivores with flat teeth, carnivores with sharp teeth and claws, and plants with broad leaves to capture sunlight. Run time 01:43.
Exchanges in the New World
Columbus’s famed voyage in 1492 joined two very different worlds. For thousands of years, Europeans and Native Americans lived completely separate lives, unaware of the others’ existence. When Columbus stepped onto the rocky soil of San Salvador, he started a historic chain of events that affected the lives of millions of people on both sides of the Atlantic.
Columbus and later explorers discovered a land unlike anything they had experienced. They encountered neatly patterned park-like
Garden safety for children
It can be fun to let young children play in a garden but experts warn of some of the dangers to look out for. Tools, chemicals and water are the biggest hazards; and certain plants and flowers also must be avoided. Â This video shares this important information.
March on Washington
While campaigning for the White House in 1960, John F. Kennedy made the pledge that civil rights would take center stage during his presidency. Kennedy guaranteed that discriminatory practices in housing would be done away with at the start of his term "with a stroke of a pen." Once in office, the results of his pledge were much less dramatic. In fact, the process took nearly two years to complete; all the while civil rights groups were sending pens to the White House to protest Kennedy's inacti
School Uniforms
The benefits of implementing a school uniform policy including improving student achievement, decrease in peer pressure, save families money and gang issues.
Magic School Bus "Gets Eaten"
Join Ms. Frizzle and the class as they search for a connection between pond scum and tuna fish. Scum is a kind of algae and algae and tuna are part of the same food chain! This Magic School Bus episode will cover the following two concepts: (1) Living things are linked by what they eat and what eats them. and (2) Almost all food chains begin with plants. Run time 22 minutes.
Learn Why Animals Eat Other Animals
Crazy Chris shows you a real life food chain you can do right at home with your exotic pet. Chris uses lettuce, a cricket, and a tarantula to demonstrate a food chain. He then explains why some animals eat plants (herbivores) while others eat meat (carnivores.) Run time 03:00.
The Power of One
This motivational video is set to music with various images and thoughts running across the screen. It encourages "one random act of kindness" and would be nice motivation for students and/or teachers at the start of a new school year. Run time 02:58.
A Bamboo Garden
Almost 30 years ago, Jerry Burton got rid of some mute swans from his pond and in return received a few bamboo plants. It was the start of a lifelong love of bamboo, which is now a full-time business. Run time 05:16.Â
1916 - Berlin Olympics
In 1916, the Olympics were planned to be taking place in Berlin. The Olympic Committee continued the organization despite the start of WWI. As the war went on the games eventually were cancelled. In 1931 Berlin won the bid to host them and in 1936 they finally hosted them.  Â
Los Angeles Olympics 1932
20th Century: Sports Video. Video discusses start of the Olympics in Los Angeles. It shows a variety of sports done at the Olympics. Video is short and is done in black and white. Video would be appropriate for middle school or high school students.
Teen Violence
It may shock you to know that one out of every eleven teens reports being hit or physically hurt by a boyfriend or girlfriend in the past twelve months. But why is that, and how can we change it? In this video, parents talk with teens about developing healthy, respectful relationships before they start dating. Video explains what abuse means and what can be done about it, as well as warning signs for parents. 4:28 min.
Awesome VIP Jet Pack
Shows a jet pack in operation. No information is offered. At best this would be a good video to start action-reaction studies or to motivate students to look for inventions of their own.
Madison vs. Marbury: Judicial Review and Checks and Balances
This short video reviews the Marbury vs. Madison case. At the time of the case, James Madison was the Secretary of State. Another man named William Marbury was one of the midnight judges appointed by John Adams in his final days as the president. Marbury needed commission in order to start work as a judge, but Madison refused to grant the document, and then the U.S Supreme Court got involved. The Court ruled that the law that the law under which Marbury's commission was authorized should be over
Role of the Sarcoplasmic Reticulum in Muscle Cells
The instructor in this video, Sal Khan, discusses the role of the sarcoplasmic reticulum in controlling calcium ion concentrations within the muscle cell. Mr. Khan uses the Paint Program (with different colors)Â to illustrate his points. Sal Khan is the recipient of the 2009Â Microsoft Tech Award in Education.
March on Washington
This video is accompanied by text. "While campaigning for the White House in 1960, John F. Kennedy made the pledge that civil rights would take center stage during his presidency. Kennedy guaranteed that discriminatory practices in housing would be done away with at the start of his term "with a stroke of a pen." Once in office, the results of his pledge were much less dramatic. In fact, the process took nearly two years to complete; all the while civil rights groups were sending pens to the Whi
