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All Book Chapters

Stem Cell Transplants

Book Chapter

Stem Cell Transplants

Transplanting embryonic stem cells from embryo into adult as a means of rejuvenating diseased cells, tissues, and organs poses ethical and moral chall...

Chemical and Biological Weapons of Mass Destruction

Book Chapter

Chemical and Biological Weapons of Mass Destruction

Chemical warfare began in prehistoric times with the use of such weapons as poisoned arrows. However, World War I was the beginning of modern-day chem...

Robotic Versus Manned Space Travel

Book Chapter

Robotic Versus Manned Space Travel

Manned space flights are supported by the notion that humans have an innate need to explore the universe—in specially protected spacecrafts—but at...

Genetic Screening

Book Chapter

Genetic Screening

Many genetic disorders can be detected with tests of blood and chromosomes. Genetic screening is the large-scale use of these tests as part of the pub...

Violence in the Media

Book Chapter

Violence in the Media

Many think that television and other media are primarily responsible for the aggressiveness of American youth and the youth of Western nations. Severa...

Managed Retreat

Book Chapter

Managed Retreat

Around the world, coastlines are retreating. Economic and environmental realities offer two choices: plan a managed retreat now, or undertake a vastly...

To Hunt or Not to Hunt

Book Chapter

To Hunt or Not to Hunt

Modern hunting is embroiled in a major controversy. There are approximately 14 million hunters confronting an indeterminate number of animal rights ac...

The First Week

Book Chapter

The First Week

During the first week of class, strive to create an atmosphere of mutual trust and respect. This gives the students a chance to get to know you as a p...

Light—The Early Years

Book Chapter

Light—The Early Years

This book starts with a rather simplistic view of what light is. This chapter starts with a simple explanation which will be easy to understand and it...

High School Middle School Physical Science

Colorful Waves

Book Chapter

Colorful Waves

You're probably really upset that all you have so far is a simple little ray model of light. When do we get to the good stuff, you say? How about now?...

High School Middle School Physical Science

Focus, People, Focus

Book Chapter

Focus, People, Focus

It's time to take some of the things we know about light and put them to good use. In this chapter, the author discusses various optical instruments l...

High School Middle School Physical Science

Not-So-Cheap Sunglasses

Book Chapter

Not-So-Cheap Sunglasses

If you browse through the sunglasses at your local department store, you'll find that some of them are advertised as "polarized." What is it that make...

High School Middle School Physical Science

When Light Waves Collide

Book Chapter

When Light Waves Collide

Light doesn't always travel in straight lines. It can bend around corners, just like sound. When it does change direction like this, you end up with l...

High School Middle School Physical Science

All About Eyeballs

Book Chapter

All About Eyeballs

This chapter is, as the title indicates, all about eyeballs and how they work. We'll use just about everything we've learned so far, plus one or two n...

High School Middle School Physical Science

Fire the Photon Torpedoes, Mr. Sulu!

Book Chapter

Fire the Photon Torpedoes, Mr. Sulu!

Yeah, what about those photon torpedoes? Aren't photons supposed to be little light particles? Yes, they are, and they constitute the third model for ...

High School Middle School Physical Science

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