TeachEngineering
Teach Engineering: Cooking With the Sun
Students learn about using renewable energy from the Sun for heating and cooking as they build and compare the performance of four solar cooker designs. They explore the concepts of insulation, reflection, absorption, conduction and...
BBC
Bbc Schools: Ks2 Bitesize: Science: Materials: Keeping Warm
Easy-to-understand overviews, with illustrations, a game, and quiz questions, about thermal conductors and insulators.
Georgia State University
Georgia State University: Hyper Physics: Thermal Conductivity
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.
Other
L in C Online: Three Little Pigs
An energy transfer project for junior high school students is presented and described. Takes the form of a teacher lesson plan. Students may be able to extract some ideas for a project or experiment.
University Corporation for Atmospheric Research
Ucar: Learn: The Greenhouse Effect
A detailed overview of the greenhouse effect, with explanations about Earth's atmosphere gases referred to as greenhouse gases, and the factors that influence the heat-trapping ability of a greenhouse. All information is reinforced...