Science: How is copper mined, refined, and used by humans?

This is a pretty neat video that discusses how copper is formed and then goes on to demonstrate how we take it out of the ground refine it, and then tells shows us what how we use it.  It looks to be a composite of many different videos.

Subject:  Earth Science
Grade Level:  6-12
Length:  13:55

Science: What is soil?

This is a rather long video, but very well done.  If you are teaching about soil this video will describe it and how soil affects the growth of plants and how soil is created.  There are many Soil Scientists that are brought in to tell your class all about soil.

Grade Level:  5-12
Subject:  Earth Science
Length:  29:56

Science: What is soil and why do we need it?

Here is a very well done elementary educational video discussing the importance of soil.  The University of New Mexico created it. They use vocabulary that is easy to understand.  The video will discusses what is found in soil and how it is important to humans and animals.

Grade level:  1-6
Subject:  Earth Science
Length:  14:26

Science: What causes seasons?

This educational video discusses how seasons occur by using some pretty good animations and graphics.  In this video you will learn about the rotation and revolution of the earth.

Grade Level:  3-12
Subject:  Earth Science
Length:  6 Minutes

Science: What are the three types of rocks?

Tim and Moby do an excellent job in this educational animation, describing the three types of rocks, igneous, metamorphic and sedimentary rock.  The discuss a general description of the rock cycle as well.

Grade level:  2-7
Subject:  Earth Science
Length:  2:05