In this chemistry worksheet, students describe an atom, its parts, the charges of these parts, and atoms life functions. Then they explain what the octet rule states for the placements of electrons around the nucleus of an atom. Students...

Students explore DNA. They work in groups and mix prepared detergent/ salt solution, meat tenderizer solution, Fleischman's yeast and water to extract DNA from yeast. Observations are recorded.

Get a tour of the four basic biological macromolecules structure and function in this tutorial. Learn about carbohydrates, lipids, proteins, and nucleic acids.

A tutorial that focuses on the structure and function of proteins. Learn why proteins are one of the four primary macromolecule groups in biological systems.

A tutorial that looks at the structure and function of nucleic acids.

Take an interactive quiz over the molecules of life. After completing the quiz, check your score, and then revisit any incorrect question for further review.

An interactive activity where you can zoom in to explore the macromolecules present in organisms. Learn about proteins, carbohydrates, lipids, and nucleic acid as you investigate the molecular structure of these types of macromolecules....

Explore macromolecules and the smaller molecules that make up living organisms in this module.

Take this interactive, multiple-choice quiz over the organic molecules important to life, then review your score and any missed questions at the end.

[Free Registration/Login may be required to access all resource tools.] This activity explores the significance and functions of carbon and explains why carbon is essential to life on Earth. Students will investigate and explain cellular...

Basic information about cells in an outline form. Gives good information in an abbreviated format.

An introduction to the structure and function of the energy-rich molecules, carbohydrates.

[Free Registration/Login may be required to access all resource tools.] The main chemical components of living organisms are known as organic compounds and are built around the element carbon. Living things are made up of very large...

Take an interactive quiz over organic compounds. After completing the quiz, check your score, and then revisit any incorrect question for further review.

Discussion of the conversion of light energy to chemical energy through the life-sustaining process of photosynthesis. Explores the reactions of photosynthesis, where they take place, and their ecological importance.