There are many interactions among living things and their surroundings. By completing a reading, scholars learn about the Earth, the moon, and the sun and how they relate to the solar system. They also investigate the basics of physical...

The cycle of energy is important to many different systems on Earth. Scholars use questioning and observation to investigate the differences between renewable and non-renewable resources and how they relate to global changes. They...

Here you will learn how to understand, write, draw, and talk-the-talk of organic molecules. Why were different drawing techniques developed? Organic molecules can get complicated and large. It is a tedious to have to constantly draw out...

Online biology textbook discussing the chemical nature of water, and the importance of its molecular structure to life. Also discusses at length the organic molecules nucleic acids, proteins, lipids, and carbohydrates.

In this online biology textbook, learn about atoms and molecules as they relate to life. Find out about topics such as electrons and energy, chemical bonding, and chemical reactions.

This online textbook chapter provides learners with advanced-level material on the structure and relationships between atoms, molecules and ions.

As part of the Virtual Textbook, this site examines all things related to Atomic Theory including information on atoms, molecules, formulas, equations, nomenclature, and more.

Examine the link between molecular motion and energy. Observe the movement of a molecule at room temperature. Learn about the different types of molecular motion.

The Molecular Structure chapter from "An Introduction to Chemistry" textbook discusses the formation of covalent bonds, drawing Lewis dot structures, and the resonance and molecular geometry of molecules. Many pictures and examples are...

Find out about the process of transcription, where the DNA sequence of a gene is transcribed to make an RNA molecule.

Learn how basic elements form molecules to support life.

The General Chemistry Virtual Textbook, or Chem 1, is broken into several sections covering various aspects of topics related to chemistry. This section seeks to answer the question, how far does a molecule travel between collisions?

This is a good, in-depth reference for the study of macromolecules in biology - lipids, proteins and carbohydrates. Includes images and links to other sources as well as a quiz for students to check understanding.

A section in a college textbook exploring the ideal gas law in relation to molecules and in terms of moles. Learn how to calculate the variables in the ideal gas law. Also become familiar with Avogadro's number and how to use it to...

Read about how oxidation-reductions affect our everyday lives. View how atoms, molecules, and ions are reduced during the oxidation-reduction process. Learn how some of the normal chemical reactions in the body can change DNA. Use the...

Find out how real gases differ from ideal gases, and when intermolecular attractions and gas molecule volume matter.

Read and learn about strong and weak Arrhenius bases. View the written formula and discover what certain solutions may be dissolved and which molecules can be transferred.

Compares and contrasts C3, C4, and CAM photosynthetic pathways. Digram of C4 reaction included.

Learn all about molecular structures in this easy-to-understand, audio book. See how valence electrons determine how atoms bond together, and look at the bonding inside some of the most common molecules around you.

On the scale of the ocean, diffusion due to the random thermal motion of molecules is very slow. This article provides an idea of turbulence as a phenomenon and the role it plays in the ocean and the atmosphere.

From high school geography class, you may remember that "air tends to flow from high pressure to low pressure". To understand why this happens, it is key to realizing that gasses (but also liquids) exert a force on their surroundings...

Learn everything you ever wanted to know about naming binary covalent compounds! See how scientists came up with systematic names for many common molecules and study the prefixes and roots for them.

Understand process of constructing an mRNA molecule from DNA is known as transcription.

Very good description of the process of translation with a good graphic to go along with it. Includes a chart classifying all of the RNA Codons.