Students experiment with water, temperature and paper to explore how convection currents occur and how they are used to explain the movement of the Earth's plates.

Students describe and compare the layers of the atmosphere. They explain how to measure the temperature of the atmosphere and discover what causes the atmosphere to heat up in some places more than in others.

Third graders conduct experiments to determine what types of material make good insulators. They prepare a graph of time vs. temperature for their sample. They choose a graph using each kind of material to display for class analysis and...

[Free Registration/Login Required] An informational text about heat and how it is transferred from one object to another. A question sheet is available to help students build skills in reading comprehension.