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...

With an overview of the various properties of the states of matter, this 18 page pdf file provides a series of topics related to liquids including special physical properties of liquids, changes of state, and more.

Take on this self-guided advanced level e-text, and learn about the chemical and physical structure of liquids and solids.

This digital textbook covers core chemistry concepts and includes interactive features, real-world examples, and videos.

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.