Emerging biochemists more fully understand the flow of energy in ecosystems as they explore the laws of thermodynamics and relate them to energy transfer in food chains. They also investigate heat loss from the human body and how...

Use an exciting role play activity to teach young chemists about the importance of heat transfer in maintaining homeostasis. They assume the role of a dog sled owner who has been abandoned and must fend for themselves with only a...

In an electrolytic cell, electrical energy is converted into chemical energy, the exact opposite of a battery! Lesson 15 in a series of 36 explores electrochemistry. Participants begin by reading and discussing oxidation/reduction...

Provide your class with the opportunity to view our carbon cycle close up. Young scientists research the cycle of oxygen as it completes the tasks of photosynthesis and respiration. They explore the importance of carbon in an ecosystem...

A course lecture on the external processes that shape the Earth, specifically the hydrologic system. This system is powered by the Sun's energy. The components of the Earth's energy budget are described, and how these drive the movement...

The first of two pages discussing the different forms of thermal energy transfer. Equations expressing the rate of energy transfer by each of the methods are provided and discussed.

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

Detailed explanation of the processes by which energy flows through an ecosystem. Scroll down and open Section 3.

Learn about the transfer of thermal energy through concise information, and illustrated animations. Contains descriptions of conduction, convection, and radiation.

Learn about mechanical energy, and its forms of potential and kinetic.

Defines work, energy, and power. Explains the work-energy principle, types and forms of energy, and presents some exercises to try.

A discussion from the Oklahoma Climatological Survey of the thermal factors effecting the movement of air masses in the atmosphere. Numerous topics such as methods of heat transfer, latent heat, phase changes (including sublimation and...

Here you can learn all about heat flow, one of the major driving forces of nature, and how it works. It is the force behind weather, photosynthesis, animal behavior, and much more.

A good, concise explanation of the geothermal gradient and how and why the Earth's temperature gets hotter and hotter with increasing depth. Includes two diagrams showing this and the heat transfer mechanisms that are taking place.

An explanation, supported by pictures and animation, of how thermal energy transfers between objects.

Provides a basic explanation of what energy is, how the laws of thermodynamics apply, and how energy differs from work.

Explains the definition of energy and gives some examples.

Explains the processes by which energy flows through an ecosystem. Covers the meanings of key vocabulary, e.g., types of producers and consumers, trophic levels, food webs, and the energy pyramid.

The process of energy transfer by radiation is discussed. An equation for calculating the rate of radiative energy transfer is provided. Variables in the equation are explained. An interactive form allows for problem-solving practice...

Trace the energy transfer through food chains and food webs. Check your understanding by hovering your mouse over questions to reveal the answers.

What is heat transfer? Illustrated discussion of the three methods of heat transfer: conduction, convection, radiation.

Using understandable words and exceptional graphics, this page describes the transfer of energy by means of the convection process. Contains several links to related topics.

Explains the concept of heat transfer and describes conduction, convection, and radiation which are the three modes of heat transfer. Includes formulas, examples, and applications.

Explanation of bond enthalpy that includes examples of calculating enthalpies of reaction using bond enthalpy.