Teaches addition and subtraction facts up to twenty using animated penguins. The penguins jump between two icebergs to show addition facts for the given total. For subtraction facts the penguins dive off the iceberg into the water below....

Go turtle diving with Wendy in the Great Barrier Reef and learn all about multiplication and subtraction!

What do people around the world need to do in order to slow the process of climate change? This resource dives into the dangers of change and proposes solutions.

An explanation of Sea Kraits with pictures and links to related websites.

This resource provides detailed information about the sea lion, as well as several pictures and an audio clip. [1:34]

[Free Registration/Login Required] Learn about the relationship between position and velocity for a diver accelerating under the influence of gravity and air resistance. Measure velocity and position based on variables of the height of...

Find more than 500 "mental calculation tricks" that will help you square numbers, add, multiply divide, subtract, and find percentages. A great resource for advance math students, gifted children, and teachers wanting to find ideas for...

Learn about Canada's smallest duck, the Bufflehead. Besides finding a detailed physical description of North America?s rarest duck, you?ll also learn about some of this bird?s unique facts and characteristics. Also included in this Bird...

The PBS video series "The Life of Birds" is accompanied with this site. There are articles about several aspects of birds and their behavior. This one chronicles the highest, fastest, and most extreme birds. There are lots of examples.

An informative new resource devoted to the RMS Titanic! Click on any of the main topics for additional details on construction, maiden voyage, sinking of the ship, survivors, artifacts, newspaper articles, videos, and more.

Read an article tracing the swimmer's path to multiple Olympic gold medal. Also details the tragic events of the '72 Games.

Rich discussions of several of Rich's famous poems characterize this site from Modern American Poetry. This site offers a picture of Adrienne Rich along with a bibliography, background information, interviews and online versions of her...

Isabella is a diving instructor, but she has a lot of dirty students. Help her keep her students clean and healthy.

Naomi teaches diving and meets all kinds of animals underwater. Join her and learn about grouping animals.

Jorge is a cook in an underwater restaurant. He knows a lot about food webs. Dive in and learn about it with him.

Discover everything you can about various species of insects including the cicada, the diving beetle and the mosquito.

The Tour de France has been under scrutiny because of alleged doping by participants. This article dives into the fray of scandal during one year of the Tour.

Students dive down deep as they experience a hands-on activity and build a model of a submersible. Lesson plan includes a web connection, a teaching guide, extensions to learning as well as curriculum links and national science...

A science writer re-creates the creatures of the coral reefs using a technique invented by a mathematician- simultaneously celebrating the amazements of the reef and deep-diving into the hyperbolic underpinnings of coral creation. [15:32]

Dan Wenkel dives into the history behind 16th century astronomer, Tycho Brahe explaining how he continued to inspire intrigue even after his death. [4:08]

Emma Bryce dives into the mystery of placebos' bizarre benefits. [4:37]

The study of psychophysics is the psychological perception of the physical experiences of sensations humans encounter. These notes detail the science behind the two sciences and dives into the way they work together.

Dive into the history of the Texas establishment, and trace the Falcon Reservoir's settlement, with a detailed look at the Leal rancho and the information recovered from archeological investigations.

Collect pearls by diving on the number line for the number given.