In this colorful, interactive object, learners examine how materials on the nanoscale compare with those on the macroscale. The focus is on the difference between macroscale and nanoscale gold in both color and melting point.

In this interactive object, students examine how the volume and temperature of an ideal gas relate under conditions of constant pressure and quantity.

In this animated activity, learners examine what gases are composed of and how their particles interact. They also consider several assumptions that form the basis for the Kinetic Theory of Gases.

Learners examine a table containing the names of common cations and anions. They then check their knowledge by answering a series of questions.

In this animated object, learners examine synthesis, decomposition, exchange, and reversible reactions.

In this learning activity you'll review how every protein molecule of an organism is synthesized by that organism in a prescribed process. This activity helps students understand the fundamental life process of making protein.

In this animated object, learners read an introduction to protein structure and function.

In this animated object, learners examine the formation of ester bonds in the synthesis of lipids using triglyceride biosynthesis as an example. Ester bond formation is described as a dehydration synthesis reaction.

In this learning activity you'll examine how network address translation works.

Answer questions about biology in a game of baseball

In this activity, you will match the infectious agent with its description.

Match the Lipid charcteristic with the term used to describe it.