In this lesson, 3rd graders reflect on who they are by listing their likes and dislikes, beliefs, hobbies, etc. They then create a rubbing of their name and add rubbings of objects they like, along with symbols and sketches. Next, they...

We all know that it takes energy to provide us with the basics of shelter: heating, cooling, lighting, electricity, sanitation and cooking. To create energy-efficient housing that is practical for people to use every day requires...

The operation of conventional air conditioners are described. Their parts and the refrigerant/heat exchange cycle is discussed. The use of alternative geothermal systems are explained.