Cold Spring Harbor Laboratory
Living Things Share Common Genes
Everything evolved from a common ancestor, but how did modern plants and animals develop so many more genes? Scholars use an online interactive to learn about the process. They begin to understand common genes with an animation, multiple...
Curated OER
Plant Tissue Culture
The techniques of growing plant cells, tissues, and seeds are covered here. The main scientists working on theories and different developments through the decades of the 20th century have slides, and then specific details of the...
Curated OER
Graphing Absolute value Inequalities
High schoolers investigate the concept of inequalities and practice graphing them at various degrees of difficulty. They review the basic rules with the teacher at the level of theory which may make it harder for them to understand...
Curated OER
Light Microscopes
Seventh graders study the parts of a light microscope, and its proper use. They identify each part and explain why it is important to know how to use this tool. They practice observing newsprint on a wet mount slide.
Curated OER
Is There Really Life on Mars?
Young scholars examine the work of scientists and determine how they test their theories.
Curated OER
Cloning
Students view the history to cloning cats. Students show examples of what they know about cloning. Students surf the net on all theories on cloning. Students view the critics views on cloning.
TED Talks
Ted: Ted Ed: The Wacky History of Cell Theory
Video describes the development of the cell theory and some of the scientists and disagreements involved. [6:12] Includes a short quiz and a list of additional resources to explore.
City University of New York
Exploring Life@bi Odot Edu: Cell Theory
Essay on the history of our knowledge of cells and the development of the cell theory.
Estrella Mountain Community College
Online Biology Book: Cells: Origins
Through full-color images and concise information, learn about the origin of cells. Discover some of the notable studies surrounding the history of life on Earth.
McGraw Hill
Glencoe Biology: Cell Discovery and Theory: Self Check Quiz
Take this self-checking, five question quiz over the discovery of cells and cell theory.
Estrella Mountain Community College
Online Biology Book: The Nature of Science and Biology
Use the scientific reasoning and critical thinking to take an in-depth look at the basics of biology.
Cold Spring Harbor Laboratory
Dna From the Beginning: Higher Cells Have Ancient Dna
Eukaryotic cells have separate DNA from mitochondria and chloroplasts which indicates that they were once primitive cells on their own. This multimedia article includes animations, pictures, video, biographical information, and quiz...