The New Mexico Solar Energy Association provides an article entitled, "Electrolysis: obtaining hydrogen from water - the basis for a solar-hydrogen economy". The article is medium size in length with pictures and charts throughout to help.

A teacher lesson plan which could be easily converted into an idea for a student project or presentation. This page describes activities in which the interconversion of chemical and electrical energy are investigated. Complete activity...

This lesson will introduce the process of fermentation and explain how it allows cells to produce energy in the absence of oxygen. It is 1 of 2 in the series titled "Fermentation."

This lesson introduces the process of passive transport, explaining that it is a form of transport that does not require energy, and moves molecules down their concentration gradient. It is 3 of 4 in the series titled "Passive Transport."

This lesson introduces the process of passive transport, explaining that it is a form of transport that does not require energy, and moves molecules down their concentration gradient. It is 4 of 4 in the series titled "Passive Transport."

This lesson introduces the process of passive transport, explaining that it is a form of transport that does not require energy, and moves molecules down their concentration gradient. It is 1 of 4 in the series titled "Passive Transport."

What are batteries? Explores the difference between batteries and cells, how batteries work, and the different types.

What are enzymes? Discover how enzymes work and learn about the different types.

This essay by exercise physiologist Patti Finke and fitness consultant Warren Finke describes the process by which our bodies transform food energy into energy that our cells can use.

Provides brief descriptions of the different methods used to generate electricity.

A series of pages which define key terms and explain basic concepts related to electric potential. Includes a set of practice problems with answers and solutions.

Middle schoolers are presented with information that will allow them to recognize that yeasts are unicellular organisms that are useful to humans. In fact, their usefulness is derived from the contrast between the way yeast cells and...

Informative text is clearly written and supported by good illustrations and charts as well. A quiz is also provided at the bottom of the site.

[Free Registration/Login may be required to access all resource tools.] The cells of protists need to perform all of the functions that other cells do, such as grow and reproduce, maintain homeostasis, and obtain energy. They also need...

The digestive system is amazing: it takes the foods we eat and breaks them into smaller components that our body can use for energy, cell repair and growth. This instructional activity introduces students to the main parts of the...

In the body, oxygen forms a vital role in the production of energy in most cells. Enda Butler tracks the surprisingly complex journey of oxygen through your body.

This site provides a short but factual description of active transport. An animation displaying the process of active transport is also provided.

Discusses the five characteristics that living things have and nonliving things do not.

Investigate the scientific principles of biospheres, and observe the effects of biological processes on closed systems.

Describes the seven characteristics that define what life is for biological purposes.

A link to quizzes over a wide range of science topics. Students can test their knowledge on topics from the cell to kinetic energy.

Discover the five characteristics that all living things have in common.

Learn about how to power up your laptop when the batteries go dead.