Explains what mechanical energy is and provides 22 examples of it.

Explains what weathering is and gives lots of examples of mechanical, chemical, and biological weathering.

Learn what is meant by sociological imagination and how you might apply it in your personal life. Includes examples illustrating how it is applied in sociology.

Explains the how a converse statement differs from an inverse statement, how to write a converse statement, and gives some examples of converse statements.

Explains the concept of equilibrium and what static equilibrium is, gives some examples, and models how to calculate static equilibrium through some problems with detailed solutions.

Explains what the Tyndall Effect is and uses a diagram to model its impact on two different mixtures. Includes causes, examples, a look at suspensions and solutions, and an experiment to try.

Explains what a parabola is and the vocabulary used to describe one and gives several examples of parabolas in real life.

Explains what a chemical change is and how to identify one. Provides examples of chemical changes that are often seen in organic and inorganic compounds.

Explains what a transform boundary is and gives examples of well-known faults of this type.

Projectile motion is explained here. Includes a discussion of Newton's Second Law of Motion, the formulas used to make different calculations, real-life examples of projectile motion at work, and sample problems with solutions.

Explains what the ecological systems theory is and it relates to child development. Looks at five environmental contexts that impact on a child's life and development. Provides examples of how different events within these frameworks...

Explains what is meant by the theory of environmental determinism, its origins and history, and its decline in popularity. Also presents examples of environmental determinism.

Learn what is meant by patriarchy, the characteristics of a patriarchal society, its history, about patriarchal societies in the world today, and some examples of patriarchy within families.

Explains the importance of index fossils for the dating and chronology of events in the fossil and geological records. Discusses uses and examples of index fossils in the Cenozoic, Mesozoic, and Paleozoic Eras.

Read about all the different kinds of potential and kinetic energy. Includes energy formulas and examples of energy applications.

Explains how a climatic community is the end product of ecological succession and describes the process by which this happens. Provides several examples of climax communities.

Interspecific competition in an ecosystem is explained, along with the different ways it can manifest itself. Includes examples in different types of biomes.

Explains what cohesion and adhesion are; what their effects are in a liquid; what surface tension, a meniscus, and capillary action are; and gives examples of where one can observe cohesion and adhesion.

Tells the story of how Archimedes discovered the Archimedes Principle and his water displacement method for determining the volume and density of an object. Provides an explanation and several examples of how it is done.

Gives a brief history of electromagnets and describes the parts of an electromagnet and how one works. Includes labeled illustrations and examples of their many applications.

Describes the basic properties of chlorine and lists examples of how it is used in water treatment, medicine, industry, and inside the human body.

Explains what chemical bonds are and how they form, the three most common types, and the characteristics of ionic bonds. Gives an example of ionic bonding.

A detailed explanation of the different types of forces that can be applied to an object and how to represent them in a free body diagram. Includes examples and some practice problems to try, with solutions provided.

Learn how mutualism benefits the organisms in a symbiotic relationship and what the different types of mutualism are. Provides lots of examples.