Handout
BiologyWise

Biology Wise: Examples of Homologous Structures

For Students 9th - 10th
Explains what homologous structures are and how they indicate common ancestry between species. Discusses morphological homology, which refers to anatomical and skeletal similarities, and molecular homology, which refers to common...
Unit Plan
CK-12 Foundation

Ck 12: Molecular Geometry

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] In this interactive learning module, students will learn a technique to predict molecular geometry based on a molecule's Lewis electron dot structure.
Handout
National Institutes of Health

Ncbi: The Molecular Biology of the Cell: The Chemical Components of a Cell

For Students 9th - 10th
Advanced chapter of the book "The Molecular Biology of the Cell" describes and provides illustrations of our most current understanding of the chemical makeup of cells and their components. Explains in detail how electron activity keeps...
Interactive
Davidson College

Davidson College: Electronic Structure of Coordination Compounds

For Students 9th - 10th
A list of five virtual chemistry topics with Java applets on the electronic structure of coordination compounds. Covers crystal field theory, CFT energy level splitting, color in gems, the spectrochemical series, and ligand properties.
Handout
Simon Fraser University

Chem1 Virtual Textbook: Molecules and the Properties of Bonded Atoms

For Students 9th - 10th
College-level site goes into great detail about chemical bonding properties, as far as energies, structure, angles, and length. Infrared absorption, the greenhouse effect, and global warming are addressed to exemplify bond length...
Handout
University of California

Organic Structures:the Architecture of Life

For Students 9th - 10th
Article discusses how objects in nature are held together through balanced forces. Scroll midway down to find info on microtubules and microfilaments. Links to excellent electron micrographs.
Website
Florida State University

Florida State University: Molecular Expressions: Ribosomes

For Students 9th - 10th
A defining resource for ribosomes to assist while studying cells. See an illustration of the structure and function in protein synthesis.
Unit Plan
Vision Learning

Visionlearning: Atomic Theory and Structure: The Mole: Its History and Use

For Students 9th - 10th
An introduction to the mole, a unit of measurement that quantifies atoms and molecules.
Handout
Simon Fraser University

Chem1 Virtual Textbook: Bonding in Metals and Semiconductors

For Students 9th - 10th
Acting as an overview from the General Chemistry Virtual Textbook, this site explores chemical bonding in relation to metals and semiconductors. Topics covered include molecular orbitals in metals, band structure in metals, and more.
Handout
Other

Imperial College: Cf Cs

For Students 9th - 10th
This site from the Imperial College of Science provides a chemistry based discussion of CFCs with formulas and Molecular structures.
Interactive
Davidson College

Davidson College: Valence Shell Electron Pair Repulsion (Vsepr) Model

For Students 9th - 10th
Presents exercises where students can check their understanding of the Valence-Shell Electron-Pair Repulsion Model by predicting what a molecular shape will be. Requires Java.
Handout
National Inventors Hall of Fame

National Inventors Hall of Fame: Carl Djerassi: Oral Contraceptives

For Students 9th - 10th
Brief biography of the scientist who is recognized for determining organic molecular structure and the synthesis of many steroids.
Online Course
Cosmo Learning

Cosmo Learning: Chemistry 1 A: General Chemistry

For Students 9th - 10th
A collection of video lectures from a general chemistry course taught at the University of California, Berkeley. The course covers topics like stoichiometry, acid-base and solubility equilibrium, oxidation-reduction reactions, chemical...
Handout
Khan Academy

Khan Academy: Cell Cycle Regulators

For Students 9th - 10th
This article looks at a few of the most important core cell cycle regulators: proteins called cyclins, enzymes called Cdks, and an enzyme complex called the APC/C.

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