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OER Matters

Learn more about the worldwide movement to make teaching and learning materials free and accessible for use and re-use by everyone.
 

Content Provider: The Why Files

Displaying 1-13 of 13 results.

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CSI: Crime Scene, Investigated: Flesh-eating bugs, moldy corpses, the trail of a killer

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Type: Course Related Materials
Subject: Science and Technology
Collection: The Why Files
Grade Level: Secondary

Abstract: Don't leave any goodies behind at the crime scene. Collect the bugs. Collect the maggots, and don't EVER leave a ransom note! Forensic science-it's better than ever!

Horrific Hurricanes

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Type: Course Related Materials
Subject: Science and Technology
Collection: The Why Files
Grade Level: Secondary

Abstract: Despite gobs of data, it is still difficult to accurately predict the path and intensity of a hurricane. How are these predictions made? Are they getting more reliable? Will hurricanes be affected by global warming? And, while we're at it, what gets a hurricane turning in the first place?

Migration

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Type: Course Related Materials
Subject: Science and Technology
Collection: The Why Files
Grade Level: Secondary

Abstract: Every year millions of monarch butterflies manage to find their way from hatching grounds in North America to wintering grounds in Mexico. These butterflies log up to 2,000 miles to arrive at their destination: a few fir tree-covered ridge tops in Mexico that none have ever been to. How do these lovely ... More »

Mosquito Bytes

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Type: Course Related Materials
Subject: Science and Technology
Collection: The Why Files
Grade Level: Primary, Secondary

Abstract: As disease-infected mosquitoes expand their range, these bugs rise higher on the "menace to human health" list. What makes mosquitoes so perfect for disease transfer? Is global warming a factor? How is modern technology being harnessed to combat skeeters? National standards included for grades 5-12. ... More »

Polar Energy

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Type: Course Related Materials
Subject: Science and Technology
Collection: The Why Files
Grade Level: Secondary

Abstract: The poles are fascinating, partly because they are such difficult places to visit, work and live. They still guard many mysteries that we'd like to unravel, including the survival of polar animals, the history of ancient peoples, and the understanding of Earth's climate.

Radiation Reassessed

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Type: Course Related Materials
Subject: Science and Technology
Collection: The Why Files
Grade Level: Secondary

Abstract: While the scientific community agrees that big doses of ionizing radiation cause serious damage to the human body, the effects of long-term, low-dose radiation are hotly contested. Some believe these minimal doses are dangerous, while others argue they are actually beneficial to human health. So, what's ... More »

Sport Science

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Type: Course Related Materials
Subject: Science and Technology
Collection: The Why Files
Grade Level: Secondary

Abstract: Olympians continually search for ways to improve their athletic performance, trying to improve technique, mental preparation and rest. How do elite athletes use science to maximize their performance? How does exercise affect the body? And what do we know about the original Olympic games?

Stem Cells: 5 Year Progress Report

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Type: Course Related Materials
Subject: Science and Technology
Collection: The Why Files
Grade Level: Secondary

Abstract: Embryonic stem cells can transform themselves into every cell in your body. Does researching these stem cells violate human sanctity, or is it medicine's brightest frontier? What are the prospects for adult stem cells?

The Beat Goes On

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Type: Course Related Materials
Subject: Science and Technology
Collection: The Why Files
Grade Level: Secondary

Abstract: Cardiovascular disease is the number one killer in the United States. Heart bypass surgery is a highly successful, routine procedure for most patients. Gaze over our shoulders as The Why Files attends a bypass surgery. How does it work? What new bypass procedures are on the horizon? How does the heart ... More »

The Fact of Global Warming

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Type: Course Related Materials
Subject: Science and Technology
Collection: The Why Files
Grade Level: Secondary

Abstract: Slowly, the globe confronts global warming. Quickly, the globe warms. But can we trust computerized climate models? What's happening to the oceans and the ice? Could warming damage your lungs?

Tsunamis

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Type: Course Related Materials
Subject: Science and Technology
Collection: The Why Files
Grade Level: Secondary

Abstract: Tsunamis harbor an element of surprise: In the deep ocean, tsunami waves pass unnoticed beneath boats, yet they rise to dangerous heights near shore. How do tsunamis work? What was the worst tsunami in recorded history? How does a tsunami warning system work?

Twister: the Tornado Story

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Type: Course Related Materials
Subject: Science and Technology
Collection: The Why Files
Grade Level: Secondary

Abstract: Tornadoes are capable of serious destruction. What gets them twisting? Where do they get their energy? How can we protect ourselves when a tornado is approaching?

Volcanic Violence

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Type: Course Related Materials
Subject: Science and Technology
Collection: The Why Files
Grade Level: Secondary

Abstract: Volcanoes are big movers and shakers in the business of continually redesigning the Earth's landscape. With no concern for nearby people or ecosystems, volcanoes release toxic gases, climate-altering ash, lava and rock. How does this work? Are scientists getting better at predicting volcanic eruptions? ... More »