Eighth graders, after creating a Venn Diagram comparing/contrasting animal and plant cells, writing ten similes describing cell types, or drawing a colored diagram of a cell, list cell types as well as describe and label cell parts. They...

In this gene expression worksheet, students read about two transcription factors: activators and repressors. Students complete 1 multiple choice and 5 short answer questions.

Learners are introduced to Gaia theory of natural homeostasis. They graph Earth's temperatures over time, construct terrariums or monitor the outdoor environment. Related videos titles are suggested, but may be outdated. The objectives...

Students draw cells, make a cell, and list organelles in plant and animal cells. In this cells lesson plan, students create edible cells.

In this biology activity, students complete a crossword puzzle with 39 questions on taxonomy. They identify the different classification systems used in biology.

Students view a video on DNA. They discuss mitosis, meiosis and fertilization. They use strips of paper to simulate fertilization and analyze the genotype and phenotype of the combined chromosomes.

Tenth graders explore the parts of a cell. In pairs, classmates construct a model of a eukaryotic cell, detailing its morphology and function. With the use of computer technology, 10th graders create cell book for middle schoolers. ...

For this word search worksheet, students locate words related to biology. The word list includes protists, viruses, plants, spiral, and biotechnology.

In this chromosome activity students complete a crossword puzzle by answering questions on DNA, nucleic acids, nucleotides and RNA.  

Students list the parts of cell theory and describe and define vocabulary.  In this cell lesson students complete a handout that includes sketching a cell. 

A brief essay about older and more recent ideas on when the first cells evolved. Good coverage of different scientific theories about the origin of life.

In this unit, students look at the components of cells and their functions and discover the controversy behind stem cell research. The first lesson focuses on the difference between prokaryotic and eukaryotic cells. In the second lesson,...

[Free Registration/Login may be required to access all resource tools.] Discusses how protists evolved from prokaryotic cells.

[Free Registration/Login may be required to access all resource tools.] Bacteria are the most successful organisms on the planet. They lived on this planet for two billion years before the first eukaryotes and, during that time, evolved...

This resource provides detailed information on each of the periods within the Precambrian Era. It discusses what earth was like, what the first multiple cell organisms were like and when they appeared.