[Free Registration/Login may be required to access all resource tools.] When a baby girl is born, her ovaries contain all of the eggs they will ever produce. But these eggs are not fully developed. They develop only after she starts...

Students trace the generation of the formed elements of blood from bone marrow stem cells, and then learn the role of hemopoietic growth factors in promoting the production of the formed elements.

The advantages and disadvantages of hydrogen fuel cell technology as a source for energy production are outlined. There is still much to be done in research and development before this energy source can be marketed widely.

As part of the study on Life Processes, the students will watch a video clip at Cells Alive to see a model of the cell and its components. The students will use edible products to create an animal cell. Each product will represent a...

This simulation can be used as a virtual lab for photosynthesis, cellular respiration, and primary productivity.

Explains what happens during glycolysis in eukaryotic cells, what the products are, their composition, and their properties.

[Free Registration/Login Required] This Flipchart will go over the basic parts of a cell.

[Free Registration/Login Required] The students have to drag the different cell organelles into the cell. The activity is a fun and engaging way to help students remember the main cell organelles.

[Free Registration/Login Required] This flipchart is intended to introduce plant and animal cells to fifth graders. Pictures, a web link, and several opportunities for student participation are included. An end-of-lesson assessment is...

[Free Registration/Login Required] This flipchart presents various types of cells, their structure, and function. There is an assessment section included.

For an organism to function, substances must move into and out of cells. Three processes contribute to this movement - diffusion, osmosis and active transport. Diffusion is the process by which useful materials and waste products move in...

This gallery shows pictures of a variety of cell types with hyperlinks to additional information about cells. Very interesting pictures.

[Free Registration/Login Required] This flipchart introduces students to the plant and animal cell.

[Free Registration/Login Required] This is a flipchart that goes through the stages of cell mitosis. The students will have the opportunity to view websites on cell mitosis. Students can also match the stages of mitosis with their...

[Free Registration/Login Required] The teacher will use this lesson plan to review cells and genetics.

An introduction to the function of the skeletal system, including blood cell production and the importance of calcium.

[Free Registration/Login Required] This flipchart can be used as a quiz or test covering cells, cell function, and organs of the body.

[Free Registration/Login may be required to access all resource tools.] Students investigate voltaic and electrolytic cells describing the reactions that occur during the electrolysis of water. They also identify the products that would...

Access to information, policy initiatives, advice, and analysis on issues of energy efficiency and renewable energy, from the U.S. Department of Energy. Its network is responsible for tracking the technological, economic, and...

Turn the control knob in this interactive to change the level of gene expression in a cell. Find out how gene, mRNA, and protein production are linked.

Chapter 22 of a report on the energy industry in Texas. It looks at hydrogen as an energy source, its history, and uses. The economic impact of the hydrogen energy sector in Texas is described, the consumption of hydrogen, methods of...

The herpes viruses infect many species of vertebrates. This series of animations illustrates the precise mechanism for entering a cell and copying itself. For advanced students.

[Free Registration/Login may be required to access all resource tools.] How do trees help you breathe? This activity covers the connection between cellular respiration and photosynthesis and identifies the products and reactants of each.

This site from the PBS production, Scientific American Frontier "Never Say Die", includes a section entitled "The Clock of Life". It provides a discussion of cell death through shortening of the telomere. A good class activity included.