At first glance, grassland ecosystems might seem dull and uninteresting, but once you start to explore it's amazing the things you'll find! Through this series of engaging lessons, activities, and experiments, elementary students examine...

This module focuses on cell structure and how the organelles function together to form the smallest unit of life. The cell theory is also discussed along with the basics features of the cell. Site also includes an interactive practice...

This lesson explains how cells were first discovered, and introduces scientists that were a vital part of this discovery. It is 3 of 4 in the series titled "Discovery of Cells."

This lesson explains how cells were first discovered, and introduces scientists that were a vital part of this discovery. It is 1 of 4 in the series titled "Discovery of Cells."

Students are introduced to genetic techniques such as DNA electrophoresis and imaging technologies used for molecular and DNA structure visualization. In the field of molecular biology and genetics, biomedical engineering plays an...

[Free Registration/Login may be required to access all resource tools.] DNA is the genetic material in your cells passed on to you from your parents and determines your characteristics. Learn about transformation and how DNA was...

[Free Registration/Login may be required to access all resource tools.] When Darwin returned to England at the end of his voyage, he did not rush to announce his discoveries. He did not want to present any ideas unless he had strong...

[Free Registration/Login may be required to access all resource tools.] Science can be "basic" or "applied." The goal of basic science is to understand how things work. Basic science is the source of most scientific theories. Applied...