Khan Academy
Khan Academy: Energy Through Time
The quest for energy has always been a balancing act. As humans have gained greater control over their environment, they've found abundant resources - and faced numerous challenges. This article traces the history of our quest for energy.
PBS
Pbs Online News Hour Extra: u.s. Economy's Troubles Hurt Alternative Energy Plans
Because of recession and the costs of gas on the decline, many worry that the search for new forms of energy will be put on hold. Read and discuss as a class these concerns. October 24, 2008
US Energy Information Administration
Energy Information Association: u.s. Household Electricity Report
The report provides an overview of the electricity consumption in households in 2001. End-use (lighting, appliances, heating) data is presented in written, graph and table form. Background on efficiency standards and regional factors...
National Institutes of Health
Ncbi: Amino Acids Are Linked by Peptide Bonds to Form Polypeptide Chains
Proteins are linear polymers formed by linking the a-carboxyl group of one amino acid to the a-amino group of another amino acid with a peptide bond. The formation of a dipeptide from two amino acids is accompanied by the loss of a water...
Carnegie Mellon University
Telstar: The Sun and Its Energy
The sun's energy is the primary source of energy for all surface phenomena and life on Earth. Combined with the material of the Earth (including the molecules held close by the Earth's gravitational force called the atmosphere), this...
Carnegie Mellon University
The Sun and Its Energy
The sun's energy is the primary source of energy for all surface phenomena and life on Earth. Combined with the material of the Earth (including the molecules held close by the Earth's gravitational force called the atmosphere), this...
Energy for Sustainable Development
Kids and Energy: Biomass Energy
Biomass is organic material which has stored sunlight in the form of chemical energy. Biomass fuels include wood, wood waste, straw, manure, sugar cane, and many other byproducts from a variety of agricultural processes.
Khan Academy
Khan Academy: Thermodynamics Article
Thermodynamics is a very important branch of both physics and chemistry. It deals with the study of energy, the conversion of energy between different forms and the ability of energy to do work. Through this article, you will begin to...
Curated OER
Kids Health: Cataracts
This article from KidsHealth is about cataracts. A cataract is a clouding of the lens of the eye. You will learn about how they form, and how they are treated.
Creative Science Centre
Creative Science Centre: Simple High Temperature Light Bulb Thermometer
A very simple electrical resistance thermometer is described that can be built, calibrated and tested in a school laboratory at virtually no cost. With it, flames, focused sunlight and other high temperature sources can be probed. The...
Creative Science Centre
Creative Science Centre: Demonstration of Radio Waves Generated by Mobile Phone
Described is a simple low cost home-made device that converts the radio wave energy from a mobile phone signal into electricity to light an LED. No battery or complex circuitry is required. The device can form the basis of a range of...