This section explores the graphs of sine and cosine functions. It investigates how these graphs are related to coordinates for different angles in a unit circle.

Learn how to manipulate and measure composite shapes.

Understand circles and their measurement applications.

Explore and discover the Pythagorean theorem.

Explore finding and measuring perimeter of figures.

Explore and measure a variety of quadrilaterals.

Explore and measure a variety of triangles.

Explore the structure and measurement of polygons.

Explore lines and angles, and the relationship between the two.

A complete high school Geometry course that includes interactives in every lesson and videos in some. Adaptive Practice questions ensure the material is understood before moving on to build on it. Every lesson also has specifically...

Discover the function of the innate immune system.

Learn about some autoimmune disorders that affect human health.

Explore carcinogens and their relation to cancer.

Understand the HIV virus that causes AIDS.

Understand how pathogens cause infections in humans.

Understand the human senses of taste and smell.

Understand the human body's sense of touch.

Understand the human sense of hearing and how it relates to balance.

Learn about the structure and function of the human eye.

Understand the nature of human vision.

Learn the structure and function of the central nervous system.

Understand the structure and function of a nerve cell, and how messages are transmitted throughout the human body.

Take a look at some disorders of the human Excretory system.

Understand the importance of the human kidneys.