In this interactive tutorial students will explore galaxies. Learn what the Milky Way Galaxy is like, how various galaxies are grouped into clusters and superclusters and why those particular galaxies clump together.

In this comprehensive interactive tutorial you will learn the basic components of a crime scene investigation and how they are implemented. You will also learn various evidence collecting techniques, as well as how to properly document...

Breathtaking images from the Hubble Space Telescope give a new perspective to our world.

Online resource for students and teachers to see information on icebergs, fisheries, coral reefs, waves, currents and more. Provides teachers with learning activities. Has its own ask-an-expert site (Ask Dr. Bob), and provides real-time...

This fifth unit of a course on Art Appreciation looks at different forms of three-dimensional art. Students learn about sculpture and its history, government-funded art works, and controversy in art. They look at other types of 3-D...

An extensive site dedicated to the life and legacy of the Greek mathematician Archimedes. Content includes a timeline of Archimedes' life, an overview of several of his inventions, and numerous anecdotes isolating various moments in his...

This lesson focuses on the distribution of large prime numbers. It offers a calculator to check numbers for prime and a calculator that allows you to create prime numbers. It also provides the history of methods find the distribution of...

Personal site of contemporary artist/illustrator Valery Milovic that also contains poetry, musings, and stories. Creative, intergrated site, developed around Milovic's thematic "Broken Toyland" universe.

In this activity, students plot a mathematical relationship that defines a spiral. They use technology to create a spiral and to plot a set of ordered pairs.

The DNA double helix contains two sequences of nucleotide code letters than run along the molecule. Untwist the spiral and DNA can be seen as two parallel strands. That's why its sometimes called the double helix. Unzip the strands and...

Are SpongeBob's pants really square? Is Gary's shell a logarithmic spiral? No. But, how can we figure out if SpongeBob's house is actually a pineapple? There's math everywhere! Let's use Fibonacci numbers to help us determine this...

The story goes something like this: A royal, rich, or righteous individual makes a mistake that sends his or her life spiraling into ruin. It's the classic story arc for a Greek tragedy, and we love it so much that we continue to use it...

Observe adaptation and perception in the activity. This activity will have students watching a continuously rotation spiral to see what happens as you watch it and then look away.

This lesson plan will ask students to review sections of A Seat at the Drum and Spiral of Fire where the many issues of tribal sovereignty are evident. Students will be asked to research the sovereignty issues facing a tribe that resides...

How does soil in its native condition function? How do forests and native grasslands produce plants and animals in the complete absence of fertilizer and tillage? What are the principles by which these soils function? The answers to...

In Sticks and Stones by Beth Goobie, Jujube's reputation suffers after she spends some time alone in a car with Brent. He does not deny it and his friends believe they went all the way, although little happened. When things are spiraling...

Have you ever heard of a "doodlebug"? Well, you're looking at one right up above! It is actually an insect called an antlion. The antlion gets its name because it is a voracious predator of ants and other insects. Actually, it's only the...

Travel the universe and learn about galaxies. Investigate Hubble Deep Field observations to learn more.

This site provides an introduction to galaxies for the younger student, that is divided into 2 levels of understanding. Find out what type of galaxy looks like a giant pinwheel. Audio content included. Good glossary, and a printable...

See some of the beautiful color images that were taken by the Spitzer space telescope.

Find out how galaxies are classified and then see if you can apply that knowledge to identify the different types of galaxies. In addition to explaining Hubble's galaxy classification system, the site has links to Hubble Space Telescope...

Numerous high quality images of galaxies can be found in this site. Names, exposure times, and various magnifications are provided.

Numerous high quality images of galaxies can be found in this site. Names, exposure times, and various magnifications are provided.

This resource has two levels: one for younger viewers and one for older viewers. It surveys the basic galaxy types and provides details.