The level 1 earth science DVDs include 12 interesting lessons presented by Myrna Martin. This DVD is a perfect supplement to The Igneous Rocks Manual. The DVD includes lessons on where igneous rocks form, physical properties, density and specific gravity, Bowen's chart, rock forming minerals and others. . Each lesson is interesting and short and provide additional information about the topics the student will read about in the manual. Hands-on activities are extension ideas that can be put out on the shelf for further enrichment.

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