Using concept sketches, students study energy requirements of food production explain why different sources of food require different inputs of energy. They also investigate how variables like farming methods, processing methods and...

[Free Registration/Login may be required to access all resource tools.] Explains how to describe matter in the solid state, about the properties of liquid matter and gases, and what the relationship between energy and states of matter is.

New Talk provides an online forum where a panel of non partisan experts in their field discuss relevant domestic issues of today. This discussion focuses on nuclear power, climate change, and energy independence. Readers can comment, but...

The purpose of this activity is to gain a sense of how much and what types of energy we use today in order to help us understand how much things have really changed over the last 500 years. It also helps us think about how our energy...

Learn how different protists get their nutrition.

A page from the question and answer section of this useful site. The page responds to the user question: "Explain convection to me in terms I can understand." An excellent discussion of the method of convection.

Lists thermal conductivity values for a variety of topics. The link "Heat conduction discussion" on this page displays an equation for calculating the rate of thermal conduction using these conductivity values.

This page defines electromagnetic radiation. Included are links to more information.

The purpose of this set of problems is for you to become familiar with some key principles about enzymes, catalysis and energy. The correct answers for the multiple choices problems are reinforced with a brief explanation and the...

Learners will create their own water turbine to demonstrate the use of water as a renewable energy source. Included is a detailed lesson plan, a video of the activity, and assessment questions.

This site from PBS Kids "Zoom" provides great ideas for building a Rube Goldberg machine around the house from common items. The information is complete with materials needed, instructions, and results on a level for elementary kids.