In this learning activity you'll explore the food pyramid and the recommended services.
An Overview of Pulmonary and Systemic Circulation
By Wendy Dusek
In this animated and interactive object, learners examine how blood flows through the heart and lungs. A brief quiz completes the activity.
Construction of the Cell Membrane
By Becky Polk-Pohlman, Barbara Liang
In this learning activity you'll study the structure of the cell membrane and construct it using the correct molecules.
The Cell Cycle
By Barbara Liang
In this animated object, learners examine the different phases of a cell's life.
Introduction to the Periodic Table
By Mona Wenrich
Students read about the basic organization and structure of the periodic table of elements. By clicking on the symbol, they can read that element's atomic number and weight. In an exercise, students identify elements as belonging to a group, a period, or neither.
can you help me please if you can get back to me.
Creative Commons Attribution-NonCommercial 4.0 International License.
Learn more about the license »