It's About Time
Energy Flow in Ecosystems
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...
Re Energy
Build Your Own Biogas Generator
What is biogas and how is it made? After examining background information about the sources of biogas and biogas generators, class members follow the provided information and build a biogas generator that can be used in the...
National Institute of Open Schooling
Chemical Thermodynamics
All chemical reactions require energy. To explore thermodynamics, classes read and discuss its laws, exothermic and endothermic reactions, enthalpy in many forms, calculate enthalpy problems, and use Hess' Law to calculate enthalpy of a...
National Institute of Open Schooling
Spontaneity of Chemical Reactions
Do spontaneous reactions really occur? Activity 12 in a series of 36 focuses on spontaneity of chemical reactions. Learners read about, discuss, and answer questions pertaining to entropy, explain the third law of thermodynamics, explore...
International Technology Education Association
Pixel This!
Did the image I drew match the image you saw? By simulating a satellite and a ground station, teams of two transmit data in the form of pixels in order to recreate an image. They use four different levels of brightness, creating slightly...
State Energy Conservation Office-Texas
State Energy Conservation Office: Electricity From the Sun [Pdf]
Discusses forms of renewable energy that rely on the sun. For example, wind is created when solar energy heats the air, and biomass is solar energy that has been stored in plants.
US Energy Information Administration
U.s. Eia: Energy Kids: Renewable Energy: Solar
This is a resource on solar energy, photovoltaic energy, solar thermal heat, solar thermal power plants and other forms of energy.
Georgia State University
Georgia State University: Hyper Physics: Heat Radiation
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...
Georgia State University
Georgia State University: Hyper Physics: Heat Engine Concepts: Carnot Cycle
The Carnot cycle is described, illustrated and explained. The Carnot efficiency equation is given and interactive JavaScript form allows the visitor to investigate the effect of the reservoir temperature and the sink temperature upon the...
University of Sydney (Australia)
Thermal Physics Module/heat Transfer 1 [Pdf]
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.
Science4Fun
Science4 Fun: Energy
What is energy? Article provides a brief discussion of the many different forms of energy.
Other
Forms of Energy: Heat, Radiant, Electrical, Chemical, Nuclear Energy
Explains what each of these types of energy is and provides examples.
Georgia State University
Georgia State University: Hyper Physics: Temperature
A page describing the concept of temperature and temperature scales. An interactive JavaScript form allows the visitor to investigate the relationship between the Kelvin, Celsius and Fahrenheit scales; enter a value and allow the...
Georgia State University
Georgia State University: Hyper Physics: Thermal Expansion
Defines thermal expansion and elaborates on the concept of linear expansion. Provides the equation for linear expansion and includes an interactive JavaScript form which allows the visitor to investigate the relationship between...
Georgia State University
Georgia State University: Hyper Physics: Radiation Cooling of Body
Discusses the means by which the body regulates its temperature. The role of radiation in this process is explained. An equation for calculating the rate at which energy is transferred by radiation is presented. Also, an interactive...